Справочник Пользователя для ICOM 297400

30

8

D General

• Frequency range 

:  118.000 to 136.975 MHz

         

 

  161.650 to 163.275 MHz*

1

• Channel spacing 

:  25/8.33*

2

 kHz

• Frequency stability 

:  ±5 ppm 

• Operating temperature 

: –20˚C to +55˚C

         

 

  –4˚F to +131˚F

• Antenna impedance 

: 50 ø

• Number of memory channels : 10 memory channels
         

 

  200 group channels

         

 

  10 history channels

         

 

  10 GPS channels

         

 

  10 weather channels*

1

• Mode    

: AM (6K00A3E/5K6A3E*

2

)

•  Power supply requirement  : 13.80 V / 27.50 V DC 
  

(negative ground)

 

  

•  Dimensions  

: 160

 

(W)✕34 (H)✕271 (D) mm 

(projections not incl.)

 

  6

5

/

16

(W)✕1

11

/

32

(H)✕10

21

/

32

(D) in

• Weight (approximately) 

: 1.0 kg; 2.2 lb

*

1

U.S.A. version only, receiving only.

*

2

U.S.A. version only

D Transmitter

• Mode  

 

: AM

• Output power 

: 8 W (Carrier power)

• Spurious emissions 

:  –60 dBc

• Microphone impedance 

:  600 ø

• Modulation limiting 

: 70% (Max 98%)

D Receiver

• Receive system 

:  Double conversion 

superheterodyne

• Intermediate frequencies  :  1st 

38.85 MHz 

2nd  450 kHz

• Sensitivity  

: (AM)  Less than 2 µV (pd) 

at 6 dB S/N

         

 

  (FM)  Less than 1.4 µV 

at 12 dB SINAD*

1

• Selectivity 

: 6 dB ±3 kHz

         

 

  60 dB ±22 kHz

• Spurious response rejc. 

: More than 74 dBµ 

•  Audio output power 

:  5 W with a 4 ø load (External 

speaker)

         

 

   60 mW with a 500 ø load 

(Headphone)