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Last modified 2022-07-14

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Kenwood TS-790A

A picture of Kenwood TS-790A

SPECIFICATIONS

GENERAL
Type:Amateur VHF/UHF transceiver
Frequency range: USA
TX: 144-148 / 430-450 MHz
RX: 144-148 / 430-450 MHz
Band options
23 cm / 10 W
Tuning steps:20 / 100 Hz
1 / 5 / 10 / 25 KHz
Frequency stability:SSB/CW: Less than 3 ppm @ -10 to +50C (14 to 122F)
Mode:FM / SSB / CW
Channels / memory management: 30 regular
20 split
2 programmed scan (+1 with 23 cm option)
2 alert (+1 with 23 cm option)
2 call (+1 with 23 cm option)
Repeater shift / offset:2 m: 600 KHz
70 cm: 5 MHz
23 cm: 12 MHz (With 23 cm option)
Power supply:13.8 VDC 15%
Current drain / power consumption:RX: 2.5 A (No signal)
TX: Max 15 A
Antenna impedance / connector:50 ohm / One SO-239, One N-jack (And one N-jack for the 23 cm option)
Dimensions (W*H*D):330*120*330 mm (13*4.72*13")
Weight:9.2 Kg (20.2 lb)
Other features:CTCSS/PL encoder. Speech processor. Twin RX.




RECEIVER SECTION
Receiver system:IF matrix
Sensitivity: FM: 0.22 uV (12 dB SINAD)
SSB/CW: 0.16 uV (10 dB S+N/N)
Selectivity: FM: 12 KHz (-6 dB), 24 KHz (-60 dB)
SSB: 2.1 KHz (-6 dB), 4.8 KHz (-60 dB)
CW: 500 Hz (-6 dB), 2 KHz (-60 dB)
Image rejection: 2 m: 65 dB
70 cm: 60 dB
23 cm: 55 dB (With 23 cm option)
AF output power / speaker:1.5 W at 10% distortion / 8 ohm
External speaker connector:3.5 mm, 8 ohm




TRANSMITTER SECTION
RF output power:

PwrBand unit
2 m FM:5-45 WBuilt-in
2 m SSB/CW:5-35 WBuilt-in
70 cm FM:5-40 WBuilt-in
70 cm SSB/CW:5-30 WBuilt-in



23 cm:1-10 WUT-10
Modulation system:FM: Reactance modulation
SSB: Balanced modulation
FM deviation (Factory set):5 KHz
Spurious emissions:2 m/70 cm: Better than -60 dB
23 cm: Better than -50 dB (With 23 cm option)
Microphone impedance / connector:600 ohm / 8-pin (Metal locking ring connector)
Microphone input level:? mV




MISCELLANEOUS
Manufactured:Japan, 1988-199x (Discontinued)
Additional info:
Related documents: User manual (2 MB)
Service manual (38 MB)
Computer control (791 KB)
Modifications and fixes:
Reviews:
Options / Accessories:
IF-232C
MC-43S
MC-48B
MC-60A
MC-80
MC-85
PG-2X
PS-31
SP-31
TSU-5
UT-10
VS-2
RS-232C interfacce
Dynamic hand microphone with up/down buttons
Hand microphone with up/down buttons and DTMF keypad
Desk microphone
Omnidirectional electret desk microphone
Unidirectional electret high class desk microphone
DC power cable. 2 m (6.6 ft)
Power supply. 13.8 VDC, 20 A
External speaker with filter
Tone decoder unit
23 cm band unit
Voice synthesizer unit