n~ n mmn n m TT nm kLkL 1 KUN lC3 INSTALLATION AND MAINTENANCE BOOK
ELECTRONIQ-7 CIRCUITS &-
DEPARTMENT OF THE NAVY NAVAL SHIP ENGINEERING CENTER
PUBLISHED: APRIL 1965 CHANGE 2 : SEPTEMBER 1968 (0967-000-0122) BOX SCORE ELECTRONIC CIRCUITS HANDBOOK NAVSHIPS 0967.W0.0120
EDITION PUBLICATION STOCK DATE NUMBER
Basic April 1965 0967-000-0120 Change 1 December 1966 0967-000-012 1 Change 2 September 1968 0967-000-0122
CHANGE 2 ELECTRONIC CIRCUITS NAYSHIPS 0967~000.0120 EFFECTIVE PAGES
LIST OF EFFECTIVE PAGES
Title Page Change 2 SrcLion 9 ii thru xvi Change 2 9-A-1 thru 9-A-9 Original A and B Change 2 9-A-10 thru 9-A-21 Change 1 9-B-1 and 9-8-2 Original 9-B-3 thru 9-8-7 Change 1
Section 10 10-A-1 and 10-A-2 Orieinal 2-1 thru 2-13 Original 16-A-3 cicu i"-~-ii 1 ln-8-1 rhni 10-8-4 Original Section 3 10-B-5 thru 10-8-7 Change 1 3-1 tbru 3-37 Uriginal Seiiiuii 11 ,, " 7 Section 4 LA-'.L and :I-.-? 2rigiir.nl 4-8-1 thru 4-A-43 Original 11-A-3 and 11-A-4 OriginalIChange 1 4-6-1 tlrru 4-B-35 Original 11-A-5 and 11-A-6 Change llChange 2 4-C-1 thru 4-C-22 Original 11-A-7 thru 11-A-37 Change 2 4-0-1 thru 4-9-19 Original 11-B-1 and 11-8-2 Originallchange 2 11-B-3 thru 11-B-12 Change 2 Section 5 5-A-1 thru 5-A-8 Original 5-A-9 thru 5-A-34 change I 5-B-1 thru 5-B-4 Original
5-C-1 thru 5-C-4 Original ...... ~~ -. ,, " . z~d13-A-2 -n-:-;--, .A a Section 6 13-A-? and I?-&-4 GriginaIlChange 2 6-A-1 thru 6-A-5 Original 13-A-5 thru 13-A-15 Chanze- 2 6-A-6 thru 6-A-6CC Change 1 13-8-1 thru 13-B-4 Uriginal 6-A-7 thru 6-A-21 Original 13-B-5 thru 13-B-9 Change 2 6-A-22 thru 6-A-22EFF Change 1 6-A-23 and 6-A-24 Original Section 14 b-A-25 and 6-A-26 CriginaliZhange 2 A-tt.ru I/-A-38 Orizinul- 6-A-27 thru 6-A-38 Original 14-A-39 and 14-A-40 OriginalICirangr 2 6-A-39 thru 6-A-43 Change 1 11-2-41 thru 14-A-46 Change 2 6-B-1 thru 6-8-8 Original 14-A-46A and Blank Change 2 6-8-9 and 6-8-10 Change IlChange 2 14-A-47 thru 14-A-70 Change 2 6-a-11 thru 6-B-18 Change 1 14-8-1 thru 14-5-4 vriginal 6-8-19 and 6-8-20 Change l1Change 2 14-B-5 thru 14-8-16 Change 2 6-B-21 tliru 6-B-44 Change 1 6-B-45 and 6-8-46 Change ZIChange 1 Section 15 6-B-47 thru 6-B-57 Change 1 ij-~~-ichru 15-A-22 O~i~ill~l ..-*-?7 . -. ::.;-.>: A- ~.-a .. -. ~/::<:IIL~- 2 Section 7 ;j-~-; an; ;;-:.; Zriginal i-:,.> id 7-?~-? Ori$inal/Chanee 2 15-8-3 thru 15-B-11 Change 2 7-8-3 tnru 7-8-7b Original Section 16 CCCf'"".- " ib-A-1 tnru lo-A-+ driainai 8-h-l chr; 8-A-5 Original 16-A-5 and 16-A-6 OriginallLhange i 8-' 6 . , ", ... " ‘L- La2rt,... S-;.-27 Change I 1 tl-A-7 ~ilxu16-A-13 '."b,rLC L 8-B-1 and 8-b-2 3rigin-1 16-5-1 and 16-8-2 Crigisai 8-R-3 and 8-8-4 Originallchange 1 16-8-3 thru 16-B-9 ioange 2 8-B-5 and 8-8-6 Change IIChange 2 8-8-7 thru 8-B-23 Change 1 ELECTRONIC CIRCUITS
Section 17 Section 21 17-1 and 17-2 Original 21-A-1 thru 21-A-6 Original 17-3 thru 17-11 Change 2 21-A-7 and 21-A-8 OrieinalIChanre- 2 21-A-9 thru ZI-A-~I change 2 Section 18 21-8-1 and 21-B-2 Original 18-A-1 and 18-A-2 OriginalIChange 2 21-8-3 and 21-8-4 Originallchange 2 18-A-3 thru 18-A-5 Change 2 21-B-5 thru 21-B-7 Change 2 18-8-1 and 18-8-2 Original 18-B-3 thru 18-B-6 Change 2 Section 22 22-1 thru 22-6 Original Section 19 22-7 thru 22-39 Change 2 19-A-1 and Blank Original 19-8-3 thru 19-B-12 Change 1 Section 23 19-8-13 and 19-8-14 Change 21Change 1 23-1 thru 23-4 Original 19-8-15 thru 19-8-32 Change 1 23-5 thru 23-17 Change 2 19-C-1 and 19-C-2 Original 19-C-3 thru 19-C-11 Change 1
Section 20 20-A-1 thru 20-A-5 Original 20-A-6 thru 20-A-8 Change 1 20-A-9 and 20-A-10 Change 11Change 2 20-A-11 and Blank Change 2 20-8-1 and Blank Original 20-C-1 thru 20-C-7 Original
CHANGE 2 ELECTRONIC CIRCUITS NAVSHIPS 0967-000-0120 TABLEOFCONTENTS
TABLE OF CONTENTS
Section
I Introduition Purpose Use Scope 2 General Inlormotion on Electron Tube Clrrvlts Definitions of Letter Synbols I:sed :.nnscrilc:;nn or >).;;no; s List of Symbols Biasing Xethods Cathode Bias Crid.Lca!< Bias Fixed Bias Classes of Amplifier Operation Class A Operation Class B Operation Class AB Operation Class C Operation Coupling ilethods R-C Coupling Impedance Coupling Transformer Coupling Direct Coupling Time Constants R-C Circuits R-L Circuits 3 Gcncro! Inloimmtion an Semi~ond~~tarC;rcu;ti Definitions of Letter Symbols Used Construction of Symbols Alphabetical List of Semiconductor Letter Symbols Diode Circuits Junction Diode Theory Forward-Biased Diode Stabilization Reverse-Biased Diode Stabilization Doublr-Diode S~aLili~a~ion Diode Voltage Stabilization -.~rmperaturr Compensation Shtinr-1.imiting Diode Diode AGC Circuit WPI' Switching (Fnllr-~"y13r nicde) Photodiodes Tunnel Diodes Triode iommon-Base CircuiLs -.nias (Common Sasri Triode Common-Emitter Circuits "~.2L.:> ~- *J~~Lics (C owJlld,, rll,iLLLI) Bzrss.. Stabi1izetion Triode Cornon-Collecrnr Ciri-liirs Bias (Common Collector) Tetrade, Power, and Special-Purpose Circuits Tetrodes ,..""+<-" '""*?..A,. ,n"..k,m-e""..A T..".."<"*"-\ .---"-- \--- "-- --"-- .-",."A"L"., Spacistor Tetroide ELECTRONIC CIRCUITS TABLE OF CONTENTS
Sec,ion
Crystal-Xixer Tetrade Point-Contact Tetrode Power Transistors and Considerations Special-Purpose Transistors and Circuits PNPK Triode (Hook Collector) Unipolar (Field-Effect) Transistor Unijunction Transistor (Double-Based Diode) Surface-Barrier Transistor PNIP-KPIN Transistor Drift Transistor Diffused-Base (XESA) Transistor Silicon Controlled Rectifier Phototransistor Thermistor Classes of Amplifier Operation Class A Class B Class A8 Class C Coupling \lethods R-C Coupling Impedance Coupling Transformer Coupling Direct Coupling Time Constants Hybrid Parameters 4 Po.., Supply Cirruitr Port A. Electron-Tube Circuits Single-Phase, Half-Wave Rectifier Single-Phase, Full-Wave Rectifier Single-Phase, Full-Wave Bridge Rectifier Three-Phase, Half-Wave (Three-Phase Star) Rectifier Three-Phase, Full-Wave (Single "Y" Secondary) Rectifier Three-Phase, Full-Wave (Delta Secondary) Rectifier Three-Phase, Half-Wave (Double "Y" Secondary) Rectifier Half-Wave Voltage Doubler Full-Wave Voltage Doubler Voltage Tripler Voltage Quadrupler High-Voltage (CRT) Supply, Audio Oscillator Type High-Voltage (CRT) Supply, R-F Oscillator Type Part B. Semiconductor Circuits Semiconductor Rectifiers Single-Phase, Half-Wave Rectifier Single-Phase, Full-Wave Rectifier Single-Phase, Full-Wave Bridge Rectifier Three-Phase, Half-Wave (Three-Phase Star) Rectifier Three-Phase, Full-Wave (Single "Y" Secondary) Rectifier Three-Phase, Full-Wave (Delta Secondary) Rectifier Three-Phase, Half-Wave (Double "Y" Secondary) Rectifier Half-Wave Voltage Doubler Full-Wave Voltage Doubler Voltage Tripler Voltage Quadrupler High-Voltage (CRT) Supply, Square-Wave Oscillator Type DC-to-DC Converter Dosimeter Charper (DC-to-DC Converter) ELECTRONIC CIRCUITS NAVSHIPS 0967-000-0120 TABLE OF CONTENTS
section
Port C. Electromech~nicoiCircuits Rutsti<,g Z:eitiur,cihzfiiial Systems Uynamotor Inverter Vibrator-Type Power Supplies Nonsynchronous Vibrator Supply Synchronous Vibrator Supply Port D. Filter Circuits Power-Supply Filters Shunt-Capacitor Filter 3-i Capacitor-inpur iiirri I-C Capacitor-Input Filter L-C Choke-Input Filter Resonant Filter 5 v~ito~e-~e~~iotorC~rcu~tr Port A. Electron-Tube Circuits Gas-Tube Regulator Electronic Regulator D-C Regulator using Pentode Amplifier D-C Regulator using Cascode Twin-Triode Amplifier D-C Regulator using Cascade Twin-Triode Amplifier D-C Regulator using Twin-Triode and Pentode (Balanced Input) D-C Regulator using Pentode and Twin-Triode (Balanced Output) Electromagnetic Regulators Part B. Semiconductor Circuits Semiconductor Regulators BrrdbCuw?: Dlu& S~LUL~~-T~~~-Xi-gulai~r Part C. Elertromechanicol Circultr Electromechanical Regulators 6 Amplilier Circuits P~rtA. Electron-Tube Circuits Audio Amplifiers R-C Coupled Triode Audio Voltage Amplifier R-C Coupled Pentode Audio Voltage Amplifier Impedance-Coupled Triode Audio Voltage Amplifier Transformer-Coupled Triode Audio Voltage Amplifier Single-Ended, R-C Coupled Triode Audio Power Amplifier Single-Ended, R-C Coupled Pentode Audio Power Amplifier Push-Pull (Class A, AB, and B) Audio Power Amplifier Phase Inverters Iransformer Type Inverter Single-Tube Paraphase Inverter lwo-lube Parapnase Inverter TJraphas*, " .L..a. 7 -> ".a..i"ui-Luupis- ;.i.s;>=i Differential Paraphase Inverter Cathode Follower iow-Level Video Cathode Foiluwar Pulse Cathode Follower \ririeo Amplifiers Triode Video Amplifier .Ycntode Video .47piifler :.;.r. de Driver video Amplifier Beam-Power Video Driven Amplifier Chain (Mixer, Amplifier, and Driver) Video Amplifier Cathode-Coupled (In-Phase) Video Amplikier Squelch Circuits AiC-Controlled Audio &~pli:ier
CHANGE 2 ELECTRONIC CIRCUITS TABLE OF CONTENTS
Section
R-F Amplifiers Pentode R-F Voltage Amplifier Triode Grounded-Grid R-F Amplifier Cascade R-F-Amplifier Cascode R-F-Amplifier Travelling-Wave Tube Amplifier Tuned Interstage (I-F) Amplifier Triode R-F Buffer Amplifier Pentode R-F Buffer Amplifier Frequency Multiplier (R-F) Push-Push Frequency Multiplier (R-F) Single-Ended (Class B or C) R-F Amplifier Push-Pull (Class B or C) R-F Amplifier Multicavity Klystron R-F Amplifier Direct-Coupled (D-C) Amplifier Push-Pull Direct-Coupled (D-C) Amplifier Deflection Amplifiers Voltage Deflection Amplifier (far Electrostatic CRT) Current Deflection Amplifier (for Electromagnetic CRT) Feedback Amplifiers Positive Feedback (Direct, Regenerative) Amplifier Negative Feedback (Inverse, Degenerative) Amplifier Part 8. Semicand~rtorCircuits Audio Amplifiers Direct-Coupled Audio Amplifier Transistor Chopper (D-C) Amplifier R-C Coupled Audio Amplifier Impedance-Coupled Audio Amplifier Transformer-Coupled Audio Amplifier Audio Power (Class A, AB, and B) Amplifier, Push-Pull, Transformer- Coupled Audio Power Amplifier, Push-Pull, Single-Ended Complementary Circuit Audio Power Amplifier, Push-Pull, Single-Ended Series-Connected Circuit ~~di~Power Amplifier, Push-Pull, Capacitance-Diode Coupling Audio Power Amplifier, Compaund-Connected Audio Power Amplifier, Bridge-Connected Phase Inverters One-Stage Phase Inverter Two-Stage Phase Inverter Video Amplifiers Wide-Band Video Amolifier. R-F Amplifiers Tuned Interstage (I-F) Amplifier Tuned Common-Base R-F Amplifier Tuned Common-Emitter R-f Amplifier 7 Olcillotor Circuitr Port A. Electron-Tube Circuits L-C o~~i111t0r~ Tickler-Coil Oscillator Hartley Oscillator Colnitts Oscillator Clapp Oscillator Tuned-Plate Tuned-Grid Oscillator Electron-Coupled Oscillator Ultraudion ~scillator R-C Oscillators R-C Phase-Shift Oscillator Wien-Bridge Oscillator
CHANGE 2 ELECTRONIC CIRCUITS TABLE OF CONTENTS
Sec?i.n
Electromechanical Oscillators Crid-Cathode (Hiller) Crystal Oscillaror Grid-Plate (Pierce) Crystal Oscillator Electran-Coupled Crystal Oscillator Overtone Cathode-Coupled (Butler) Crystal Oscillator Magnetostriction Oscillators Negative-Resistance Oscillators Dynatran Oscillator '~ransitron (Negative GH) Oscillator Kallltron l.t'ush-k'111 I ) Triggered Blocking Oscillators Parallel-Triggered Blocking Oscillator Series-Triggered Blocking Oscillator Fast-Recovery Blocking Oscillator Pulse-Frequency Divider Distance-Mark Divider Shock-Excited Ringing Oscillator Shock-Excited Peaking Oscillator Part B. Scmiconductorcirruitr Free-Running PRF Generator Triggered Blocking Oscillators Basic Blocking Oscillator Nonstaurating, Diode-Clamped Blocking Oscillator 10 SweepGenerotor Circuits Port A. Electron-Tube Circuits Sawtooth-Wave, Gas-Tube Sweep-Generator Circuits Neon Gas-Tube Sweep Generator Thyratron Sweep Generator Triode Sawtooth-Wave Sweep Generator Circuits Basic Triode Sawtooth Sweep Generator Bootstrap Sweep Generator Triode Trapezoidal-Wave Sweep Generator Port B. Semirondu~torCircuits Sawtooth-Wave Circuits Unijunction (Double-Base Diode) Four-Layer Diode 11 Detector (Dcmodul.tion) Circuits P~lnA. Electron-Tube Circuits AM Detectors Diode Detectors Diode Detector with AVC Diode Detector (with Noise Limiter) Grid-Leak Detector Plate Detector Infinite-Impedance Detector Regenerative Detector Superregenerative Detector Product Detector Coherent (Synchronous) Detector FM (or PM) Detectors Foster-Seeley Discriminator Travis Discriminator Ratio Detector Gated-Beam Detector Video Detectors Basic Video Detector Part 8. Semiconductor Circuits AM Detectors Voltage Output Diode Detector Current Output Diode Detector Coormon-Emitter Detector Common-Base Detector EM Detectors Faster-Seeley Discriminator Ratio Detector Video Detectors Basic Video Detector **To be issued in later changes CHANGE 2 TABLE OF CONTENTS ELECTRONIC CIRCUITS p:.. .:.. !? m,*.,,,. .,.. "... Par, A. Eic rxio be Lssued ln iarer cnanges ELECTRONIC CIRCUITS TABLE OF CONTENTS Section Pop. Basic Balanced Modulator Balanced Complementary Smarty Frequency Modulators (FM) Basic Reactance Modulator 15 Limiter (Clipper) Cirrvitr Port A. Elc CHANGE 2 ELECTRONIC CIRCUITS TABLE OF CONTENTS s.ct;on Part 6. Scm~onducroriircuii, Positive Diode Counter Negative- Diode Counter Step-by-step (Step) Counter 19 Logic Circuit. Port A. ElertronTube Circuits Rn 8. Semiconductor Circuits Logic Polarity n~":+:..~T""<* & A - - . - - - a. - Negative Logic Diode Logic OR Gate AND Gate Rectangular Matrlces Encoding Matrices Decoding Eiatrices Two-Level AND-OR Gate Half-Adder Circuits Full-Adder : Transistor Logic Transistor "OR" Gate Transistor "AND" Gate Transistor "NOT" Circuit \ Transistor NOR Gate Transistor NAND Gate Transistor clip-Flop iircuiia Emitter-Follower Circuits Lamp Drivers and Relay Pullers ib- - Port C. Merhonico! Circu8tl Switch Logic OR Circuits AND Circuits Flip-Flop Circuits Two-Way and Three-way Circuits 20 Timc-Delay Circuifs Port A. Electron-Tube Circuits Phantastron Circuits Basic Phantastron Circuits Fast-Recovery Phantastron Circuit Electromechanical (Acoustic) Delay iines Part 8. Semiconductor Circuits Part C. An8lical Delay Liner ~..~~ccrromagnetic "lay Lines 2! Corr:~!Ci?~"i,* Pa,, A Eiec,ron-Tube Clrrultr AGC CAVC) Circuits Cimple AGC Circuit ATCCiri~its Phantastron AFC Circuit Tlryatron AEC Ciri~it Reactance Tube AFC Circuit D-C Amplifier AFC Circuit Servomechanism Circuits Synchro Control System Servo Motor-Controller Circuit Resolver-Driver Circuir -. "~ &>... L,..l, n"-""-".. ,-; *,.,, ;, z!!a,r-,>r ... ,"= LA "-.--- "------ **TO be issued in later changes ... CHANGE 2 XI,, ELECTRONIC CIRCUITS TABLE OF CONTENTS Section Part 0. Semiconduoor Cir.ui,r AGC (AVC) Circuits Transistor "NOT" Gate Emitter-Current Control Auxiliary-Diode (Shunt) Auxiliary-Diode (Collector-Controlled) 22 Cathode-Ray-Tube Circuit3 Electrostatic Basic Oscilloscope Circuits Synchroscope Circuits CRT Display Circuits A-Scope Presentation J-Scope Presentation B-Scope Presentation C-Scope Presentation Electromagnetic PPI Scan Other Types of Scans Blanking DC Restoration Damper and Flyback 23 Filter Circuits High-Pass Low-Pass Band-Pass Band-Rej ection CHANGE 2 ELECTRONIC CIRCUITS NAVSHIPS 0967.000-0120 PREFACE POLICY AND PURPOSE The equipment handbooks are devoted ro information on a particular equipmenr class; .. .. . I ne tiecrronics lnstailatlon and hlninten~ they provide general rcsr procedures. adjusr- ance Rook (EILIB) has been esrablished as the menrs, general servicing iniormation, and field medium for c~llecrin~.publishing. and dirriibur- change idenriiicarion data. ing, in one convenient documentation source, those subordinate mainrenance and repair poli- The following table lisrs all handbooks cies, insrallarion pracrices, and overall elrc- of rhe series. together with rheir old and new rronics equipment and marerial-handling procr- NAVSHIPS numbers. (The old XAVSHIPS dwes required to implement the major policies numbers~areshown in parentheses.) The new ~~~ !4~\~"sF!!US"--!. Since its inception, however, rhe EIMB has (General Information Handbooks) been expanded ro include selected informarion of general interest to electronic insrallation General and maintenance personnel. These items are such as would generally be contained in rexr- books, periodicals, or technical papers, and Installacion Standards 0967-000-0 110 form (along with the information cited above) a (900,000.101) comprehensive, single-source ieference docu- ment. In applicarion the FI\IR is rn he ilqe(i for iniormarion and guidance by a!! mi!itary and civilian personnel involved in the installation, mainrenance, and repair ui electronic rquipmcnr Tesr llerhods and Practices 0967-000-0110 or under cognizance, rrchnicul control, of the (900,000.103) Naval Ship Systems Command (NAVSHIPS). All information, insrructions, and procedures in rhe Reference Data 0967-000-0140 EIMB supplement such instructions and data (~U0,000.104) supplied in equipment technical manuals and other approved maintenance publications. RFI Reduction General Maintenance 0967-000-0160 ORGANIZATION (Equipment-Oriented Handbooks) -i hc EM6 is organized inro a series oi ~~~odb~.?k~L. c0 .fiord maximum ficnib;iiti ~-2 c;ise in handling. The handbooks uir stocked and issued as separate items so chat acriviries requiring extra copies of any handbook may obtain them wirh relarive ease. The handbooks fall aithia rwo categories ;encral infomation handbuak~nrd cyuipmrnr- oriented handbooks. The gcnrral informarion handbooks contain dara which are oi inreresr ro Tesr Equipment 0967-000-0040 all personnel involved in insrallarion and (900,0004) I~~;~L~~~~~~~~,regardless oi iheir equipment specialty. The rirles of the various general Radiac information handbooks giw only an overall idea of rheir dara conienr: a more compierc dezrription o! each hzndbaak is p;ovidid in :hi - ,.. ,, . UL..L.*. ,,'3,A""""%. ELECTRONIC CIRCUITS NAVSHIPS 0967-NO-0120 PREFACE PREFACE INFORMATION SOURCES Commander. Naval Ship Engineering Center Department of the Navy Periodic revisions are made to provide the Washington, D. C. 20360 besr current data in the EIM and keep abreasr Atm Technical Data and Publications Section of new der,elopmenrs. in doing this, many source (SEC 6181C) documenrs are researched to obtain perrinenr informarion. Some of rhese sources include the Electronics informarion Bullerin (EIB), the Naval Ship Systems Command Technical News, elec- CORRECTIONS tronics and orher rexrbooks, industry magazines and periodicals, and various milirary installation Repon all inaccuracies and deficiencies naed and maintenance-related publicarions. In cenain in all NA\'SHIPS technical publications (inclding cases, NAVSHIPS publicarions have been incor- this manual, ship information books, equipmen man- porated into the ElhB in rheir entirety and, as a uals, drawiqgs, and such) by a "Planned Mainten- result. have been cancelled. A lisr of the doc- ance System (PMS) Feedback Report, OPNAV 47W.7 uments which have been superseded by the EIMB (REV. 5-65)" or superseding form. If PMS is nor and are no longer available is given in Section 1 yer installed in chis ship, repon technical phlica- of rhe General Handbook. tion deficiencies by any convenient means DISTRIBUTION SUGGESTIONS The Electronics Installation and Mainten- ance Book is rransmitted to using activities NAVSHlPS recognizes chat users of the through automatic distriburion procedures. Ac- ElMB will have occasion to offer comments or rivities not already on rhe EIMB distribution suggestions. To encourage more acrive parrici- list and those requiring changes to the list parion. a self-addressed comment sheer is fre- should submit correspondence to the fallowing: quently provided in the back of each handbook change. Complere information should be given Commander, Naval Ship Engineering Center when preparing su~gesrions. It is mosr desir- Department of the Navy able that rhe sqqgestor include his name and Washington, D. C. 20360 mailing address on the form ro facilirare direct Attn: Technical Data and publications Section correspondence in the event clarification is re- (SEC 6181C) quired and an immediate reply can be supplied regarding the suggestion. Any communication Activities desiring exrra copies of ElMB will be made through a personal letter to rhe handbooks or binders should submir requisitions individual concerned. directly ra Naval Supply Depot, Philadelphia, Pennsylvania. Complete instructions for order- If a comment sheet is not available or ing publicarions are given in the Navy Stock correspondence is lengthy, su~gestionsshould List of Forms and Publications, NAVSUP be direcred to the following: Publication 2002. CHANGE 2 ELECTRONIC CIRCUITS NAVSHIPS 0967-000-0120 CORRECTIONS RECORD OF CORRECTIONS MADE CHANGE NO DATE CHANGES MADE SIGNATURE ELECTRONIC CIRCUITS NOTES NOTES CHANGE 2 ELECTRONIC CIRCUITS NAVWIPS 9Ol.000. 102 INTRODUCTION since the circuit or group of circuits in question con likely ore treated in the circu~tmalysis section. These critical be reduced to one or more "commondenominotort' circuits. components are agoin mentioned in the fa~lureonolysis dis- When these hasic circuits, descrikd in the hondbook, are cussicn, but in this ir.stance from tile standpoint cl the understmd by the individual, slmilor circuits employed in output signal observed. new equipment, together with their modifications or The failure analysis discussion is intended to assist the differences, con he more readilv understoad bv the leader in the development of a logical approach to individual. trouble shooting. The failure onalysis, as written lor an The Handbook of Electronic Circuits has been divided individual circuit, does not pin-point ( or nome) parts which into sections based upon the circuit function, rother than "could be'' defective but, in effect, encourages the being classified according to use as communications, reader to ttink lagicclly and determme detective or radar, or sonar equipment. Several sectlons ore devoted to deteriorating ports from the output indications noted. The general circuit information opplicoble to either electron- text, therefore, discusses in brmd terms the various tube or semiconductor circuits. When on electron-tube troubles that might logically be suspected os the cause of circuit is described, generally the most common M likely an abnormal (output) indication. tube type (triode, pentode) is utilized in the handbook Abnormal output indications observed in equipments ore description. Where the basic electronic theory is the same octuolly symptoms which can be elaborated upon to fwther for either eelectron-tube or semiconductor circuits, the basic localize trouble within o functional circuit. Output in- theory is discussed within the description of the electron- dications as discussed in ths text elaborate on the circuit tube circuit and referenced from the semiconductor ciicuit analysis text to assist the reader in onalyzinq. . o failure; description; thus, repetition of text is reduced. thus, an arbitrary conclusion as to the source of trouble or Section 2. General Information on Electron Tube failure is discouraged and logical reosoning is stimulated. Circuits, ond Section 3. General information on Semi- Typical indications discussed are: no output, distorted conductor Circiiits, contain aeneral information aoolicable. . output, low output, ond Incorrect output frequency. In to electron-tube and semiconductor circuits, respectively. these discussions, the reader's attention is called to the Paragraph numbers are used throughout these two sections improper function within the electronic circuit. Further- to enable quick reference, when necessary, from clrcuit more, so-culled "critical" parts (or components) were descriptions given in other sections of the handbook. discussed in the circuit analysis portion of the circuit Other sections of the hondbook contain specific informo- description from the theoretical ond operational stond- lion relating to each of the various categories of electronic point: thus, o complete story is given for thecircuit. circuits and do not employ paragraph numbers. When it Logical thinking, therefore, can be appiied to the problem is necessary to locate a particular circuit description, the of localizing the failure within the circuit after the reader Table of Contents must be used to determine the number of has studied the entire circuit description given in the the page on which the circuit of interest will be found. handbook. Each description of an electronic circuit empioying m electron tube or semiconductor is divided into four main HANDBOOK CHANGES. parts: application, characteristics, circuit analysis, and The hondbook, as sectionalized, permits the future failure analysis. addition of circuits to keep the hondbook abreast of a. Application. This part of the circuit descrip- electronic developments. Also, the layout of the hmd- tion states briefly how the circuit is employed, its common book is designed to permit the addition of new electron- uses, and thetypes of equipments employing the circuit. tube or semiconductor circuits, as well as to permit the b. Chomcteristics. This part of the circuit de- revision of the existinq circuits. scription consists of short statements concerning tech- Changes to this handbook will be issued in, or nical data and other useful information to assist in circuit publicized by, the Electronic Information Bulletin (EIB). identificotion. NAVSHIPS 900,022~.Recommendations for changes and c. Circuit Analysis. 'he circuit onalysis section corrections to the hondbook should he addressed to of the description is written to outline in general terms the Chief, Bureau of Ships (Code 679A2 ). circuit iunction and to nome the component parts of the circuit, todescribe criticol elements or comoonent parts in detail, and to present the theory of operation of the circuit. A schematic with reference desiunotions is used to illustrate the circuit; the ossaciated text utilizes the reference desiqnotions when discussina the circuit. 4ctuol~ ~~ values~ ~ of parts do not normally appear in the text or on the schematic. Additional illustrations, such os ideolized waveforms ond simplified diamoms, ore provlded where deerred necessary to supplement the text. d. Foilure Analysis. This portion of the cirmit de- scription is written from on output-indication standpoint based upon possible degradation of performance, chonginq values of components, etc. The criticol circui! components affecting amplitude, time (or frequency), and woveshape ORIGINAL