Icom IC-RX7 Service Manual

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Contents

specifications

Icom IC-RX7 Service Manual Manual pdf 4 page image

1 - 1SECTION 1 SPECIFICATIONSD General• Frequency coverage : (Unit: MHz)USA 0.150–821.995, 851.000–866.995,896 000–1300.000Other than USA 0.150–1300.000• Number of memory channels : 1600 channels (Memory channels)200 channels (Auto write channels)25 channels (Scan edge channels)• Receive modes : FM, AM, WFM• Frequency resolu ion : 5, 6.25, 7.5, *8.33,*9, 10, 12.5, 15, 20,25, 30, 50, 100, 125, 200 kHz*selectable depending on the operating frequency band.• Operating temperature range : –10°C to +60˚C; +14˚F to +140˚F• Reference frequency stability : ±6 ppm (–10˚C to +60˚C; +14˚F to +140˚F)• Power supply requirement : BP-244 (Li-Ion battery pack),(Negative ground) BP-262 (3 AA (LR6) alkaline cells) or5.1 to 6.9 V DC (with CP-18A/E)• Current drain (backlight OFF with BP-244 (3.7 V DC):rated audio 150 mA typicalreceive standby 100 mA typicalpower saved 35 mA typical• Antenna connector type : SMA• Antenna impedance : 50 Ω (unbalanced)• Dimensions (proj. not included) : 57(W) × 128(H) × 23(D) mm21⁄4(W)×51⁄32 (H)×29⁄32 (D) in• Weight (approx.) : 200 g; 7.1 oz (with the ant. and BP-244)• AF output power (at 3.7 V DC) : More than 600 mW at 70% modulation,10% distortion with an 8 Ω load• Ext. speaker connector : 3-conductor 3.5 (d) mm ( 1⁄8″)/8 ΩD Receiver• Receive system : Triple-conversion superheterodyne• Intermediate frequencies : 1st : 429.1 MHz,2nd : 19.65 MHz (FM/AM),20.75 MHz (WFM)3rd : 450 kHz (FM/AM),1.55 MHz (WFM)• Sensitivity (except spurious points) :FM (1 kHz/3.5 kHz Dev.; 12 dB SINAD)1.625–4.995 MHz Less than 0 56 μV5.000–246.995 MHz Less than 0.4 μV247.000–832.995 MHz Less than 0 56 μV833.000–1300.000 MHz Less than 0.79 μV (Except USA version)851.000–866.995 MHz Less than 1 3 μV (USA version only)896.000–1300.000 MHz Less than 0.79 μV (USA version only)WFM (1 kHz/52.5 kHz Dev.; 12 dB SINAD)76.000–108.000 MHz Less than 1 8 μV175.000–221.995 MHz Less than 1 8 μV470.000–770.000 MHz Less than 2 5 μVAM EXT-ANT (DX) (1 kHz/30% MOD.; 10 dB S/N)0.495–4.995 MHz Less than 2 5 μV5.000–29.995 MHz Less than 1 8 μV118.000–136.000 MHz Less than 1 8 μV222.000–246.995 MHz Less than 1 8 μV247.000–329.995 MHz Less than 1 8 μV• Selectivity :AM/FM More han 15 kHz/–9 dBLess than 30 kHz/–60 dBWFM More han 150 kHz/–6 dB

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