The Television Camera Explained
Total Page:16
File Type:pdf, Size:1020Kb
THE TELEVISION CAMERA EXPLAINED EPT =MBER :1956 www.americanradiohistory.com PRACTICAL TELEVISION September, 1956 COMMERCIAL TELEVISION CONVERTER /. 41',,,,,....i, Illustrated with curer remote, SUITABLE ANY T.V. NO AHerat' To Set ya,.t SIGNAL & PATTERN £319.6 ,i - "A,,, 2ti. Complete with lullt-in power supply, 230 -250 v. A.C. mains. GENERATOR Crackle finish case 51 in. long. 31 in. wide, 41 in. high. Incorporating gain control and band switch. Coverage 7.6 MI ,.- 210 /il s in five bands, all on lundamen- COMPLETELY BUILT Less powe supply £2.19.6 1'. & P. 2 6 tals. slow- motion tuning, audio output, 8 vertical and SIGNAL GENERATOR GENERATORS GUARANTEED FOR 12 horizontai bars, logging scale. BOTH MONTHS In grey hammer finished case with ea-riving handle. Completely built Signal Generator, coverage 120 Kr. s -323 Kt. s, Accuracy 1":,. A.C. mains 200 -2501, 300 Kcfs -900 Kcs, 900 Kr s -2.75 Mes. 2.75 Mc 5-8.5 Mc s. 8 Mc s- Or £3 deposit, P. & P. 5'6 and 3 payments of 30' -. £6.19 56 . x 61 x 41in. 138 Mc /s, 16 Mets -56 Mes, 24 Mc;s -84 Mc s. Metal case 10 Line or F,aatne oscillator Blocking Size of scale 61 x 311n. 2 valves and rectifier. A.C. mains 230 -250 v. Smoot hing (1106e. 'transformer.. 4 3 each. Internal modulation of 400 c.p.s. to a depth of 30 per cent.. 250 mA. 5 henry, 8 6: 250 mA. 10 henry, 10 6. modulated or unmodulated R.F. output continuously variable 150 mi1ll- volts. C.W. and mod, switch, variable A.F. output and moving coil output meter. Black crackle -finish case and white panel. Accuracy plus or minus 2',,. 64.19.6 or 34 :- deposit I6in. TUBE and 3 payments & 4:6 extra. monthly 25/ -. P. P. BY FAMOUS MANUFACTURER Brand new E.H.T. 14 Kv. Heater. 6.3 volts, 0.6 amp., guaran- 3 -speed teed 3 months. £9.19.6. post packing and insurance 221/ H.P. terms available. E.H.T. TRANSCRIPTION MOTOR available. and scanning components BY FAMOUS MANUFA CTURER Wide Angle P.31. Focus Unit. Vernier adj., state tube, 15- Complete Kit of parts comprising ac curately balanced M. Nor us (-nit for Mallard tubes with vernier adjustment precision made, heavy turntable with i 'Libber mat, large constant speed condenser start motor, base plate. Can on Traps for Milliard or English be assembled in half an hour. Electric tubes, 5 -. Post paid A.C. Mains 200 250 v. Fully guaranteed. ('oils. moulded former, iron cored, wound for rewindin £6.19.6 purposes only. Ali -can Parts sold separately. Post Paid. llin. x ¡In., 1- each : 2 iron -cores Ali can, 21in. x ¡in., 1:6 each. These coil formers are Prac. T.V. Converter. suitable for the Ilubilfer .001 10kV, working, 3 6. BAND III CONVERTER KIT Primary, 200 -250 v., P. & P. 2 -. 3.10- 0-300. 100 mA. 6 v. 3 amp., 5 v. 2 amp., 22.6. comprising 5 channel tuner, mains transformer, metal Drop thro 350-0-350 v .70 mA. G rectifier, electrolytic, 2 valves. 12AT7 and EF80, and all v. 2,5 amp.. 5 v. 2 amp.. 14 :6. necessary components for A.C. mains operation. Complete Drop Ihrci 250-0-250 v. 80 mA. 6 v. 3 amp.. 5 v. 2 280-0-280, amp.. 14 6. with conversion data. drop through, 80 mA. 6 v. 3 amp., 5 v. 2 amp., 14 6. £2 . 5 . 0 l'. & P. 2 s. GARRARD RC/11O Three -speed automatic changer by B.S.R. MONARCH, current model. Will take 7in., 101n. or 121n. records mixed. Turnover 3 -SPEED AUTOMATIC CHANGER crystal head. Cream finish. BRAND NEW. LIMITED QUANTITY. 10 Records, turnover crystal 1 . VERY head. ro í6.0C á 1 A.C. Mains 200.250. £7.15.0. P. & P. 3r6. BRAND NEW. A.C. Mains. 100 255 v. dr 7 1.157' PIt ICE £14.10.0. Line and E.H.T. Transformer. 9kV. Ferrocart core. EY51 heater scan coils and frame output transforme winding, complete with Drop thrci 270-0-270 60 6 and line and width control. 35. -. P. & P. 3: -. mA, v. 3 amp.. 11 6. 250 I. 350111A. 6.4 v. 4 a.. twice 2 v. 2 a.. 19 6. As above but complete with line and frame blocking trans Sentf- shrouded drop -through 380- 0 -33:) 123 mA. 6.3 v. amp.. formers, 4 henry 250 mA. choke, 100 mid. and 150 mfd. 350 wkg. 5 v.2 amp..25 -. 380 mA. A. C. ripple. £2.9.8. P. & P. 3 - Auto Trail.. Input 200 250 H.T. 500 v., 250 4 -pole 3 -way : 5 mA., 6 v. 4 a., twice Standard nase-change Switches. -pole 2 v. 2 a.. 19 6. 3 -way ; 3 -pole 3 -way. 1.9 each ; 9 -pole 3 -way. 3 6: Miniatur type. long spindle, 4 -pole 3 -way and 4 -pole 2 -way. 2 6 each. 2 -pol Auto 'trans. Input 200.250. H.T. 350 v. 350 mA. Separe to L.T. 1 11 -way twin wafer, 5,- : -pole 12 -way, 5/ -. P. & P. 3d. 6.5 v. 7 a., 6.3 v. 11 amp., 5 v. 3 amp., 25, -. 1'. &P.3. -. USED metal rectifier, 250 v. 150 mA., 6 6. Ilea IerTransformer. Pri 230/250 v. 6 v. ll amp., 8' -. 350 -0-350 75 mA. 6.3 v. 3 Combined 12ín. Mask and Escutcheon perspex. New aspect, a. tap. 4 v. 6.3 v. 1 a., 136. edged in brown. Fits on front of cabinet. 12:6. As above for 500 -0-500 125 mA. 4 v. C.T. 4 a., 4 v. C,T., 4 a., 4 v. C.T. 2.5 a., 27;8, 500-0 -500 250 mA. 4 v. 5 15ín. tubes, 17/8. C.T. a., 4 v. C.T. 5 a., 4 v. C.T. 4 a.., 39'8. Chassis mounting or drop- thro'. Pri 110250 v. Sec. 350-0-350 250 mA. 6.3 v. 7 amp., 6.3 v. 0.5 Polishing Attachment for electric drills. lin. spindle. chrom- amp., 5 v. C.T. 0.5 amp.. 4 v. 4 amp., ium plated 5in. brush. 3 polishing cloths and one sheepskin 32'6. P. & P. 3.6. mop mounted on a Sin. rubber cup. P. & P. 16. 12 6. Spare P.M. Speakers. closed field 3 ohm speech sheepskin mops. 28 each. coil 12in., 25- ; 10in. 25.- ; 8ìn.. 2016 ; 61in., 186.: 5in.. 18 6. 1'. & P. 2- each extra. 1.200 rt. High Impedance recording tape on aluminium spool. 12,6 post paid. \alre Holders, moulded octal Mazda and !octal, 7d. each. COMPONENTS (ACTON) Paxolin, octal Mazda and !octal, 4d. each. Moulded B7G, BOA R. & T.V. ITO. and BOA, 711. each. Where cost and packing charge is 23 HIGH STREET, ACTON, LONDON, W.3 not stated, please add 1 6 up to 10 -, 2/- up to £1 and 2,6 up to £2. All enquiries S.A.E. Lists 5d, each. www.americanradiohistory.com September 1956 PRACTICAL TELEVISION 49 NEW Signal Generator FOR SANDS 1, II & III ;r,d_ M.,r.. ...ON FUNDAMENTALS The "AYO" Signal Generator Type Ill An inexpensive A.M. Signal Generator of en- tirely new design, for the Service Engineer. Provide$ six frequency bands covering 1501çc/s- 220Mc1s: Accuracy 1 %. 150 kç /s S00 kc /s - Continuous 500 kc /s - 1.6 Mc ,s wave or 1.6Me /s- 5.5 Mc modulated at 1,0000. L.F. signal S.S Mc /s - 18 Mc s 18 Mc /s 70 Mcs available for test - purposes. 70 Mc /e -220 Mc s A new type of attenuator, ensures close adher- ence of the output to the attenua tor calibration. The instrument provides a force output of 250mß', whilst the following outputs are available via the atte-suator:- Minimum to 100,5V, x I, x 10, x 100, x 1000. Output impedances -8011, 20051 and 40011. This instrument operates on 100-120, 200-260V, A.C. 50-60 c/s mains. It is light and compact and employs double screening to ensure minimum radiation. Full details available on request. Sole Proprietors and THE AUTOMATIC COIL WINDER & ELECTRICAL Manufacturers :- EQUIPMENT CO. LTD. AVOCET HOUSE 92 -96 VAUXHALL BRIDGE ROAD LONDON S.W.I Telephone: VICtorio 3404 (9 lines) The full range of HOME RADIO OF MITCHAM 187, LONDON ROAD, MITCHAM, SURREY MIT. 3282 short wave components in stock. Eddystone cats!ogue price I, -. The STIRLING Commercial TV for band 3 converter. your Completely self-contained VIEW- MASTER and ready to plug in. All parts in stock. This is THE PRICE f6 -6 -0. conversion for View - master, no patterning, no Full leaflet on request. breakthrough, full delii- r it ion. DENCO 3 station tuner coils and E.H.T. TESTER screens. Price 30,' -, BAND III AERIALS DENCO ready wound modification coil set. Price 20/ -, Single dipole loft or room use... 7/6 Don't guess DENCO E.H.T. Switch kit, fine tuner, and 3 coil mounting plates, element yagi loft aerial ... 30/- -test it. 3 -16 27/ -. kV. T.C.C. 5 element Complete kit of condensers, yagi loft aerial ... 42/6 A.C. and D.C. for printed circuits and special valve - 8 element array (state channel) 72/6 line fly -back or holders. E2,3.0. (or available Belling Lee Diplexer tuned filters 12/6 transformer E.H.T. separately), LAB. Complete Airspaced set of resistors as low loss coaxial cable 9d.yd.