Icom IC-R20 instruction manual Specifications, General

15 SPECIFICATIONS

D GENERAL

• Frequency coverage	:	(Unit: MHz)
USA		0.150–821.999, 851.000–866.999,
		896.000–1304.999, 1305.000–3304.999
France		0.150–29.999, 50.200–51.200,
		87.500–108.000, 144.000–146.000,
		430.000–440.000, 1240.000–1300.000
Other than above		0.150–1304.999, 1305.000–3304.999
• Number of memory channels	: 1250 (incl. 50 scan edges and 200 auto
		write channels)
• Receive modes	: FM, AM, WFM, USB, LSB, CW
• Frequency resolution	: 0.01, 0.1, 1, 5, 6.25, *8.33,*9, 10, 12.5,
		15, 20, 25, 30, 50, 100 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	: 3 AA (R6) alkaline cells,
(Negative ground)		BP-206 Li-ion battery pack or
		6.0 V DC ±5%
		(with AC adaptor, BC-149A/D or CP-18A/E)

•Current drain (Single band operation with BP-206 (3.7 V DC) without operating IC recorder):

max. audio	150 mA typical
receive standby	100 mA typical
power saved	35 mA typical
• Antenna connector	: BNC (50 Ω)
• Dimensions (proj. not included)	: 60(W) ⋅ 142(H) ⋅ 34.8(D) mm
	23⁄8(W)⋅519⁄32(H)⋅13⁄8(D) in
• Weight (approx.)	: 320 g; 11.3 oz (with the ant. and BP-206)

•AF output power (at 3.7 V DC) : 100 mW typical at 10% distortion with an

	8 Ω load
• Ext. speaker connector	: 3-conductor 3.5 (d) mm (1⁄8″)/8 Ω

All stated specifications are subject to change without notice or obligation.

D RECEIVER

• Receive system	: Triple-conversion superheterodyne and
	down converter
• Intermediate frequencies	: 1st: 266.7 MHz and 429.1 MHz,
	2nd: 19.65 MHz, 3rd: 450 kHz

•Sensitivity (Receiving on single band operation, except spurious points) : FM (1 kHz/3.5 kHz Dev.; 12 dB SINAD)

1.620–4.999 MHz	Less than 0.56 µV
5.000–221.999 MHz	Less than 0.4 µV
330.000–832.999 MHz	Less than 0.56 µV
833.000–1304.999 MHz	Less than 0.71 µV
1330.000–2304.999 MHz	Less than 5.6 µV
2330.000–2999.999 MHz	Less than 18 µV
WFM (1 kHz/52.5 kHz Dev.; 12 dB SINAD)
76.000–108.000 MHz	Less than 1.8 µV
175.000–221.999 MHz	Less than 1.8 µV
470.000–769.999 MHz	Less than 2.5 µV
AM (1 kHz/30% MOD.; 10 dB S/N)
0.495–4.999 MHz	Less than 2.2 µV
5.000–29.999 MHz	Less than 1.4 µV
118.000–135.999 MHz	Less than 1.4 µV
SSB/CW (10 dB S/N)
0.495–4.999 MHz	Less than 0.4 µV
5.000–29.999 MHz	Less than 0.25 µV
50.000–53.999 MHz	Less than 0.25 µV
118.000–146.999 MHz	Less than 0.25 µV
330.000–469.999 MHz	Less than 0.32 µV
• Selectivity	:
AM/FM	More than 12 kHz/–6 dB
	Less than 30 kHz/–60 dB
WFM	More than 150 kHz/–6 dB
SSB/CW	More than 1.8 kHz/–6 dB

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