Icom IC-M505 Specifications and Options, Specifications, General Receiver, Transmitter

SPECIFICATIONS AND OPTIONS 11

■Specifications

D General			D Receiver
• Frequency coverage	: Tx 156.000–161.450 MHz		• Receive system	: Double conversion
	Rx 156.000–163.425 MHz			superheterodyne
• Mode	: FM (16K0G3E), DSC (16K0G2B)		• Sensitivity (20 dB SINAD)	: –5 dBµ emf (typical)
• Channel spacing	: 25 kHz		• Squelch sensitivity	: Less than 1 µV
• Current drain (at 13.8 V)	: TX high	5.5 A max.	• Intermodulation rejection ratio	: More than 73 dB
	Max. audio 1.5 A max.		• Spurious response rejection ratio : More than 73 dB
• Power supply requirement	: 13.8 V DC (10.8 to 15.6 V)		• Adjacent channel selectivity	: More than 73 dB
	(negative ground)		• Audio output power	: More than 2 W at 10% distortion
• Frequency stability	: ±10 ppm			with a 4 Ω load
• Operating temp. range	: –20°C to +60°C		• Hum and noise	: More than 40 dB
• Antenna impedance	: 50 Ω nominal		• Audio frequency response	: +1dB to –3dB of –6 dB oct. from
• Dimensions	: 165(W) ⋅	110(H) ⋅ 123.2(D) mm		300 Hz to 3000 Hz
(Projections not included)			All stated specifications are subject to change without notice or
• Weight	: Approx. 1450 g
			obligation.
D Transmitter
• Output power	: 25 W/1 W
• Modulation system	: Variable reactance frequency
	modulation
• Max. frequency deviation	: ±5.0 kHz
• Spurious emissions	: Less than 0.25 µW
• Microphone impedance	: 2 kΩ
• Frequency error	: Less than ±1.5 kHz
• Adjacent channel power	: More than 70 dB
• Audio harmonic distortion	: Less than 10 %
• Residual modulation	: More than 40 dB
• Audio frequency response	: +1dB to –3dB of 6 dB oct. from
	300 Hz to 3000 Hz

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