HF+50 MHz ALL MODE COMMUNICATIONS RECEIVER Expanded frequency coverage imize image and spurious responses for DSP capabilities better signal fidelity. The IC-R75 covers a frequency range DSP (Digital Signal Processor) filtering in the *1 Not guaranteed. that’s wider than other HF receivers; AF stage is available with the optional UT- *2 Not guaranteed; When PREAMP OFF; CW 0.03–60.000000 MHz*. This wide fre- narrow 500 Hz bandwidth; 100 kHz channel 106 DSP UNIT*. The DSP provides the fol- quency coverage allows you to listen to a spacing lowing functions: variety of communications including ma- * Already installed with some versions. rine communications, amateur radio, short • Dynamic range characteristics example Noise reduction: wave radio broadcasts and more. Intercept points Measuring condition Pulls desired AF signals from noise. Out- *Guaranteed 0.1–29.99 MHz and 50–54 MHz only 140 Frequency : 14.15 MHz (100 kHz separation) Mode : CW 120 Bandwidth : 500 Hz (both 2nd and 3rd IF) standing S/N ratio is achieved, providing PREAMP, ATT : OFF 100 clean audio in SSB, AM and FM. Pull weak 80 Preamp1 ON High stability receiver circuit 60 signals right out of the noise. Signal output Preamp OFF 40 Receiver output level (dB) output level Receiver Icom’s latest wide band technology pro- 3rd IMD 20 S+N = 3 dB N output Comparison of receive signal speaker output 0 vides highly stable receive sensitivity over –140 –120 –100 –80 –60 –40 –20 ±0 16.0 22.0 103.5 dB (PREAMP1 ON) 104.5 dB (PREAMP OFF) Receiver input level the entire receive frequency range. The (dBm) Noise reduction OFF IC-R75 makes it easy to catch communi- cations world wide. Noise reduction ON • Receive sensitivity characteristics example Twin PBT capability 10.0 (passband tuning) V) Measuring condition The PBT function nar- µ Mode : USB (10 dB S/N) Automatic Notch filter: 0.03–1.799999 MHz : PREAMP OFF rows and moves the IF passband at two 1.80–29.999999 MHz : PREAMP 1 ON This automatically minimizes beat signals 5.0 30.00–60.000000 MHz : PREAMP 2 ON stages to efficiently eliminate interfering Sensitivity ( 1.0 signals. and protects the receive signal. Also, the notch frequency is automatically adjusted to 0.5 follow interfering beat signals—reducing in- Twin PBT operation 0.1 terference from RTTY signals during SSB 0.03 1.0 10.0 20.0 30.0 50.0 60.0 Frequency (MHz) operation for example. Superior dynamic range FM mode standard A wide dynamic range of more than 100 Unlike many other HF/50 MHz receivers dB*1, 104.5 dB*2 for 14 MHz band, 102.5 there is no need to install an additional 2 Inside and outside dials Inside and outside dials Inside and outside dials unit for FM mode reception on the 29 and dB* for 50 MHz band, and a well-de- centered (normal position) rotated opposite (twin PBT) rotated same direction (IF shift) signed triple conversion system help min- 50 MHz bands. The IC-R75 covers a wide frequency range Optional PC remote control from 0.03 to 60 MHz allowing you to listen in to —RS-R75 a world of information. With innovative fea- tures such as twin passband tuning, DSP ca- pabilities, remote PC control and more — shortwave listening is easier than ever. All this comes in a compact, lightweight package that can be conveniently used in your ham shack, FRONT PANEL—gives you access to all switches den or vehicle. and controls on the front panel of the IC-R75. HF+50 MHz ALL MODE COMMUNICATIONS RECEIVER BAND SCOPE—shows signal conditions around a specified frequency. Flexible filter selection Selectable RF gain/squelch control Up to two optional filters* can be installed, The RF gain and/or squelch control can providing flexible band width selection be set to the [SQL] control in set mode to SCAN MANAGER—used to graphically display and filter combinations. match your operating preference. scans in progress and to control scan functions. *One each for 9 MHz and 455 kHz IF stage. 1st IF 2nd IF Other outstanding features… 9 MHz stage 455 kHz stage • Compact body FL-103 (2.8 kHz) FL-222 (1.8 kHz) • Digital bar S-meter with peak hold SSB FL-223 (1.9 kHz) FL-257 (3.3 kHz) • Front mounted speaker for easy listening FL-100 (500 Hz) • Internal clock with ON/OFF, sleep timer FL-52A (500 Hz) CW/RTTY FL-101 (250 Hz) • Numeric keypad for direct frequency or SETTINGS—allows you to adjust settings in 3 FL-53A (250 Hz) FL-232 (350 Hz) memory channel input categories: General, Sound and Display, to suit your operating preferences. • Attenuator Control command for user made program • 2-level preamp Cn Sc Description Cn Sc Description [dB] 00 Sets frequency (transceive) 10 05 Sets 9 kHz tuning step 01 xx Sets mode (transceive) 06 Sets 10 kHz tuning step •Selectable AGC (FAST/SLOW/OFF) 02 Reads band edge frequencies 07 Sets 12.5 kHz tuning step 0 03 Reads frequency 08 Sets 20 kHz tuning step 04 Reads mode 09 Sets 25 kHz tuning step 05 Sets frequency 10 Sets 100 kHz tuning step –10 • Noise blanker 06 00 Sets LSB mode 11 Sets 1 MHz tuning step 01 Sets USB mode 11 00 Tur ns attenuator OFF AF OUTPUT • 99 memories plus 2 program scan 02 Sets AM mode 20 Tur ns attenuator ON –20 03 Sets CW mode 12 00 Selects ANT1 04 Sets RTTY mode 01 Selects ANT2 05 Sets FM mode 13 00 Speech all contents edges 07 Sets CW-R mode 01 Speech operating freq.+S-level –30 FL-103 08 Sets RTTY-R mode 02 Speech operating mode 07 Selects VFO operation 14 01 Reads/Sets AF level • Ample scanning functions available 08 Selects memory operation 02 Reads/Sets RF gain level –40 xx Set memory channel 03 Reads/Sets SQL level 09 Writes to memory 06 Reads/Sets NR level FL-53A FL-232 • CW pitch control and CW reverse mode 0A Transfer memory contents to VFO 07 Reads/Sets [TWIN PBT] (inside) –50 0B Clears the memory channel 08 Reads/Sets [TWIN PBT] (outside) 0E 00 Stops scan 09 Reads/Sets CW PITCH level and more... 01 Starts program/memory scan 15 01 Reads the squelch condition –60 02 Starts program scan 02 Reads signal strength level 04 Starts auto memory write scan 16 02 Reads/Sets the preamp FL-100 22 Starts memory scan 12 Reads/Sets the AGC –70 23 Starts select memory scan 22 Reads/Sets the noise blanker FL-223 B0 Tur ns a “select” setting OFF 40 Reads/Sets the noise reduction B1 Tur ns a “select” setting ON 41 Reads/Sets the auto notch D0 Tur ns scan resume OFF 18 00 Tur ns power OFF –2 kHz –1 kHz CENTER +1 kHz +2 kHz D3 Tur ns scan resume ON 01 Tur ns power ON 10 00 Sets 1/10 Hz tuning step 19 00 Reads receiver's ID code Rear panel view 01 Sets 0.1 kHz tuning step 1A 00 Reads/Writes memory contents 02 Sets 1 kHz tuning step 01 Reads/Sets the IF filters 03 Sets 5 kHz tuning step 02 Reads/Sets SET mode 04 Sets 6.25 kHz tuning step All available functions can be controlled and simple Alphanumeric readout memory editing from a PC running the optional RS- R75 REMOTE CONTROL SOFTWARE. In addition, this The function display has an alphanumeric software are provides a simple bandscope function. readout that indicates up to 8-character Icom’s current CI-V capability will allow you to con- memory names for easy recognition. trol the IC-R75 with other programs. HF+50 MHz ALL MODE COMMUNICATIONS RECEIVER SPECIFICATIONS GENERAL • Sensitivity : Frequency SSB/CW/RTTY AM FM • Frequency coverage : 0.03–60.000000 MHz* range 10 dB S/N 10 dB S/N 12 dB SINAD *0.03–29.999999 MHz only for Asia version; specifications guaranteed 0.1–29.99 MHz and 0.1–1.8 MHz*1 2.0 µV 5.6 µV — 50–54 MHz only 1.8–28 MHz*2 0.16 µV 1.6 µV — • Mode : USB, LSB, CW, RTTY, AM, FM 28–29.99 MHz*2 0.16 µV 1.6 µV 0.22 µV • Number of memory channels : 101 (99 regular, 2 scan edges) 50–54 MHz*3 0.13 µV 1.0 µV 0.2 µV • Frequency stability : Less than ±7 ppm from 1 min. to 60 min. after power on. After that rate of stability less than ±1 *1Preamp: OFF; *2Preamp 1: ON; *3Preamp 2: ON 1 ppm/hr. at +25°C (+77°F). Temperature fluctuations • SQL sensitivity (threshold) : SSB, CW, RTTY Less than 5.6 µV * 2 0°C to +50°C (+32°F to +122°F) less than ±5 ppm. FM Less than 0.32 µV * 1 2 • Power supply requirement : 13.8 V DC ±15% (negative ground) * Preamp 1: ON; * preamp 2: ON • Current drain (at 13.8 V DC) : Standby 0.9 A • Selectivity : SSB, CW, RTTY More than 2.1 kHz/–6 dB Max. audio 1.1 A Less than 4.0 kHz/–60 dB • Antenna connector : SO-239 (50 Ω), push connection terminal (500 Ω) AM More than 6 kHz/–6 dB • Dimensions : 241(W) × 94(H) × 229(D) mm Less than 20 kHz/–50 dB (projections not included) 91⁄2(W) × 311⁄16(H) × 91⁄32(D) in FM More than 12 kHz/–6 dB •Weight (approx.) : 3.0 kg; 6 lb 10 oz Less than 30 kHz/–40 dB • REMOTE connector : RS-232C D-sub 9-pin • Spurious and image rejection ratio: • CI-V connector : 2-conductor 3.5 (d) mm (1⁄8˝) More than 70 dB (except IF through/50 MHz band) • Audio output power : More than 2.0 W at 10% distortion with an 8 Ω load (at 13.8 V DC) RECEIVER • PHONES connector : 3-conductor 6.35 (d) mm (1⁄4˝) • Receive system : Triple-conversion superheterodyne system • External SP connector : 2-conductor 3.5 (d) mm (1⁄8˝)/8 Ω • Intermediate frequencies : Mode 1st (MHz) 2nd (MHz) 3rd (kHz) The IC-R75 has been tested to and passed the MIL-STD requirements and strict en- USB*/LSB* 69.0115 9.0115 455 vironmental standards for shock (MIL 810C, D, E) and vibration (MIL 810C, D, E).