Справочник Пользователя для ICOM 305400

53

10

New2001

n

D General

• Frequency coverage

: Tx 156.025–157.425 MHz

 

  Rx 156.050–163.275 MHz

• Mode

: FM (16K0G3E),  

DSC (16K0G2B)

• Channel spacing

: 25 kHz

• Current drain (at 13.8 V)  : TX high

5.5 A max. 

Max. audio 1.5 A max.

• Power supply requirement : 13.8 V DC (negative ground)
• Frequency stability

: ±10 ppm

• Operating temp. range

: –20°C to +60°C

• Antenna impedance

: 50 ø nominal

• Input impedance (MIC)

: 2 kø

• Output impedance (audio) : 4 ø
• Dimensions

: 164(W) × 78(H) × 139.5(D) mm 

(Projections not included)   

6 

15

⁄

32

(W) × 3 

1

⁄

16

(H) × 5 

15

⁄

32

(D) in

• Weight

: Approximately 1060 g; 2.4 lb

D Transmitter

• RF output power

: 25 W (High)/1 W (Low)

• Modulation system

: Variable reactance frequency

modulation

• Max. frequency deviation  : ±5.0 kHz
• Spurious emissions

: Less than 70 dBc (High) 

Less than 60 dBc (Low)

• Adjacent channel power  : More than 70 dB
• Audio harmonic distortion : Less than 10%  

(at 60% deviation)

• Residual modulation

: More than 40 dB

• Audio frequency response : +1 to –3 dB of 6 dB/octave

range from 300 to 2500 Hz

D Receiver

• Receive system

: Double conversion 

superheterodyne

• Sensitivity (12 dB SINAD)

: –120 dBm (typical)

• Squelch sensitivity

: Less than –115 dBm

• Intermodulation rejection ratio

: More than 70 dB

• Spurious response rejection ratio : More than 70 dB
• Adjacent channel selectivity

: More than 70 dB

• Audio output power

: 4.5 W typical 

at 10% distortion 
with a 4 ø load