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Last modified 2024-07-09

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Trio TS-520D

A picture of Trio TS-520D

SPECIFICATIONS

GENERAL
Type:Amateur HF transceiver
Frequency range: Japanese domestic market
10-80 m i 7 bands
3.5-4.0 MHz
7.0-7.3 MHz
14.0-14.35 MHz
21.0-21.45 MHz
28.0-28.5 MHz
28.5-29.1 MHz
29.1-29.7 MHz
+ 10.0 MHz JJY/WWV receive only
Tuning steps:Analog / continuous
Frequency stability: Within ±2 KHz during the first hour after 1 minute warmup.
Within 100 Hz during any 30 minute period thereafter.
Mode:SSB / CW
Channels / memory management: 4 optional
XTAL controlled
Repeater shift / offset:No
Power supply:Mains: 100 VAC
or 13.8 VDC
(12-pin Jones connector)
Current drain / power consumption: RX: 45 W @ mains - 5 A @ 13.8 VDC (Heaters on)
TX: Max 280 W @ mains - 15 A @ 13.8 VDC
Antenna impedance / connector:50-75 ohm / SO-239
Dimensions (W*H*D):335*150*335 mm (13.2*5.9*13.2")
Weight:17 Kg (37.4 lb)
Other features:NB. VOX. 25 KHz XTAL calibrator.




RECEIVER SECTION
Receiver system: Double conversion superheterodyne
1st IF: 8.295-8.895 MHz
2nd IF: 3.395 MHz
Sensitivity:0.25 uV (10 dB S+N/N)
Selectivity: SSB
2.4 KHz (-6 dB)
4.4 KHz (-60 dB)
CW (With optional CW filter)
500 Hz (-6 dB)
1.5 KHz (-60 dB)
Image rejection:50 dB
AF output power / speaker:1 W at 10% distortion / 8 ohm
External speaker connector:




TRANSMITTER SECTION
RF output power:
SSB (PEP):100 W
CW (DC):100 W

NB! Output is lower with 13.8 VDC than with mains supply
Modulation system:
Max FM deviation (Factory set):No FM
Spurious emissions:Better than -40 dB
Microphone impedance / connector:50 Kohm / 4-pin (Male locking ring jack)
Microphone input level:? mV




MISCELLANEOUS
Manufactured:Japan, 1973-197x (Discontinued)
Additional info:Tube hybrid: 12BY7A driver and two S2001A finals
Related documents: RF driver: 12BY7A
Modifications and fixes:
Reviews:
Options / Accessories:
MC-10
MC-50
SP-520
TV-502
TV-506
VFO-520
Hand microphone. 50 Kohm
Desk microphone. 500 ohm/50 Kohm selectable
External speaker. 8 ohm, 2 W
2 m transverter
6 m transverter
External VFO
A picture of Kenwood TS-520D