Kenwood 440 MHz TH-D7A, 144 instruction manual Transmitter, VHF Band, UHF Band, Receiver

Models: 144 440 MHz TH-D7A TH-D7A

1 112
Download 112 pages 51.12 Kb
Page 106
Image 106
Transmitter

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

 

Transmitter

VHF Band

 

UHF Band

 

H, 13.8 V

6 W

 

5.5 W

 

H, 9.6 V

 

Approx. 5 W

Power output

H, 6.0 V

Approx. 2.5 W

 

Approx. 2.2 W

 

L, 6.0 V

Approx. 0.5 W

 

EL, 6.0 V

Approx. 50 mW

Modulation

 

 

Reactance

Maximum frequency deviation

Within ±5 kHz

Spurious emissions (at high transmit power)

–60 dB or less

 

 

Receiver

VHF Band

 

UHF Band

Circuitry

 

Double conversion superheterodyne

1st intermediate frequency

 

38.85 MHz

 

45.05 MHz

2nd intermediate frequency

 

450 kHz

 

455 kHz

Sensitivity (12 dB SINAD) 1

 

 

0.18 μV or less

Squelch sensitivity

 

 

0.1 μV or less

Selectivity (–6 dB)

 

 

12 kHz or more

Selectivity (–40 dB)

 

 

28 kHz or less

Audio output

 

9.6 V (battery terminals)

450 mW or higher (8 Ω load)

(10% distortion)

 

6.0 V (battery terminals)

300 mW or higher (8 Ω load)

1VHF sub-band: 0.28 μV or less

Specifications are subject to change without notice due to advancements in technology.

98

Page 106
Image 106
Kenwood 440 MHz TH-D7A, 144 instruction manual Transmitter, VHF Band, UHF Band, Receiver