Icom IC-A4 instruction manual Specifications, DGeneral DTransmitter, DReceiver

Models: IC-A4

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SPECIFICATIONS 10

DGeneral

 

 

 

DTransmitter

 

 

 

• Frequency coverage

: TX

118 to 136.975 MHz

• Output power

: 3.7 W (PEP)

typical

 

RX

108 to 136.975 MHz

 

1.0 W (CW)

typical

• Mode

: AM (6K00A3E)

 

• Modulation

: Low level modulation

• Number of memory channels

: 19

 

 

• Modulation limiting

: 80 to 100 %

 

• Acceptable power supply

: 9.6 V DC nominal

• Audio harmonic distortion

: Less than 10 %

(negative ground)

(authorized battery packs)

(at 60 % modulation)

 

 

 

• Usable temp. range

: –10˚C to +50˚C

• Hum and noise ratio

: More than 35 dB

• Frequency stability

: ±10 ppm (0˚C to +50˚C)

• Spurious emissions

: More than 60 dB

• Current drain

:

 

 

DReceiver

 

 

 

Tx

1.2 A (CW) max.

 

 

 

 

0.7 A (CW) typical

• Receive system

: Double conversion

Rx

55 mA typical

(at stand by)

 

superheterodyne

 

250 mA max.

(at AF max.)

• Intermediate frequencies

: 1st

28.95 MHz

• Antenna impedance

: 50 (nominal)

 

 

2nd

450 kHz

 

• Dimensions

: 58(W)140.5(H)32.3(D) mm

•Sensitivity (with 50 load)

: 1 µV (at AM 6dB S/N)

(projections not incl.)

 

 

 

• Squelch sensitivity

: 1 µV

 

 

• Weight (with BP-195)

: 425 g

 

 

(with 50 load)

 

 

 

 

 

 

 

• Selectivity

: 8 kHz (at 6 dB)

 

 

 

 

 

 

25 kHz (at 60 dB)

 

 

 

 

• Spurious response

: More than 60 dB

 

 

 

 

• Audio output power

: 500 mW (at 10% distortion

 

 

 

 

(at 9.6 V DC)

with an 8 load)

 

 

 

 

• Noise and hum

: More than 25 dB

 

 

 

 

• External SP connector

: 3-conductor 3.5 (d) mm/8

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

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Icom IC-A4 instruction manual Specifications, DGeneral DTransmitter, DReceiver