SECTION 1

SPECIFICATIONS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

[GEN], [USA]

 

[EUR]

 

 

 

 

 

 

 

 

 

 

 

Measurement method

 

EIA-152-C/204D or TIA-603

 

EN 300 086

 

 

 

 

 

 

 

 

 

 

Frequency coverage

 

400.000–430.000 MHz

 

 

 

 

 

 

 

440.000–490.000 MHz

 

 

 

 

 

 

 

 

 

 

 

Type of emission

 

 

N/W: (12.5 kHz; Narrow/25 kHz; Wide): 8K50F3E/16K0F3E

 

[EUR]

 

 

 

(12.5 kHz; Narrow/25 kHz; Wide): 11K0F3E/16K0F3E

[USA], [GEN]

 

 

 

 

 

GENERAL

 

 

 

 

N/M: (12.5 kHz; Narrow/20 kHz; Middle): 8K50F3E/14K0F3E

 

[EUR]

 

 

 

 

 

 

 

Number of conventional channels

TX 7.0 A (at 25 W), 13.0 A (at 45 W)

 

 

 

Free: 8 channels, Bank: 4 channels 2 banks

 

 

 

Power supply voltage (negative ground)

13.6 V DC nominal

 

13.2 V DC nominal

 

 

Current drain (approx.)

 

RX 1200 mA (maximum audio)

 

 

 

 

 

 

 

300 mA (stand-by)

 

 

 

 

 

 

 

 

 

 

Antenna impedance

 

50 nominal (SO-239)

 

 

 

 

 

 

 

 

 

 

Usable temperature range

 

–30˚C to +60˚C (–22˚F to +140˚F)

 

–25˚C to +55˚C (–13˚F to +131˚F)

 

 

 

 

 

 

 

 

Dimensions (proj. not included)

150(W) 40(H) 117.5(D) mm; 52932(W) 1916(H) 458(D) inch

 

[25 W]

 

 

 

 

 

150(W) 40(H) 167.5(D) mm; 52932(W) 1916(H) 61932(D) inch

[45 W]

 

Weight

 

 

0.8 kg; 1 lb 12 oz [25 W], 1.1 kg; 2 lb 7 oz [45 W]

 

 

 

 

 

 

 

 

 

 

RF output power

 

 

High/Low2/Low1: 25 W/10 W/2.5 W

 

[25 W]

 

 

 

 

 

 

 

50 W/25 W/4.5 W

 

[45 W]

 

 

 

 

 

 

 

 

Modulation system

 

Variable reactance frequency modulation

 

 

 

 

 

 

 

 

Maximum permissible deviation

±2.5 kHz [Narrow], ±4.0 kHz [Middle], ±5.0 kHz [Wide]

 

 

 

 

 

 

 

 

 

 

 

 

Frequency error

 

 

±2.5 ppm

 

±1.5 kHz

 

 

 

 

 

 

 

 

 

TRANSMITTER

Spurious emissions

 

70 dBc typical

 

0.25 µW 1GHz, 1.0 µW > 1 GHz

 

 

 

 

 

 

 

 

 

Adjacent channel power

 

60 dB [Narrow], 70 dB [Middle], [Wide]

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Audio frequency response

 

+2 dB to –8 dB of 6 dB/octave

 

 

 

 

range from 300 Hz to 2550 Hz [Narrow]/3000 Hz [Middle], [Wide]

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Audio hormonic distortion

 

3% typical at 1 kHz, 40% deviation

 

 

 

 

 

 

 

 

 

 

 

 

FM hum and noise (typical)

 

40 dB [Narrow], 46 dB [Wide]

 

——

 

 

 

(without CCICT filter)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Residual modulation (typical)

 

——

 

50 dB [Narrow], 53 dB [Middle]

 

(with CCICT filter)

 

 

 

55 dB [Wide]

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Limitting charact of modulator

 

70–100% of max. deviation

 

 

 

 

 

 

 

 

 

 

Microphone connector

 

8-pin modular (600 )

 

 

 

 

 

 

 

 

 

 

 

Receive system

 

 

Double-conversion superheterodyne system

 

 

 

Intermediate frequencies

 

1st: 46.35 MHz, 2nd: 450 kHz

 

 

 

 

 

 

 

 

 

 

Sensitivity (typical)

 

0.25 µV at 12 dB SINAD

 

–4 dBµV (emf) at 20 dB SINAD

RECEIVER

 

 

 

 

 

 

 

 

 

Squelch sencitivity (at threshold) (typical)

0.25 µV

 

–4 dBµV (emf)

 

 

 

 

 

 

 

 

 

 

 

 

Adjacent channel selectivity (typical)

65 dB [Narrow], 75 dB [Middle]/[Wide]

 

 

 

 

 

 

 

 

 

 

 

Spurious response

 

 

75 dB

 

 

 

 

 

 

 

 

 

 

 

 

Intermodulation (typical)

 

75 dB

 

67 dB

 

 

 

 

 

 

 

 

 

 

 

 

Hum and noise

 

(without CCITT filter)

40 dB [Narrow], 45 dB [Wide]

 

——

 

 

 

 

 

 

 

 

 

 

 

 

(typical)

 

(with CCITT filter)

——

 

50 dB [Narrow], 53 dB [Middle], 55 dB [Wide]

 

 

 

 

 

 

 

 

 

 

 

 

 

Audio output power

 

4 W typical at 10% distortion with a 4 load

 

 

 

 

 

 

 

 

 

 

External SP connector

 

2-conductor 3.5 (d) mm (18")/4

 

 

 

 

 

 

 

 

 

 

 

 

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

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Image 41
Icom IC F121S, IC F110S, IC F111S service manual Type of emission 12.5 kHz Narrow/25 kHz Wide 8K50F3E/16K0F3E