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Last modified 2023-09-17

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Yaesu FT-650

A picture of Yaesu FT-650

SPECIFICATIONS

GENERAL
Type:Amateur HF/VHF transceiver
Frequency range: TX: 24.5-25.0 / 28.0-29.7 / 50-54 MHz
RX: 24.5-56 MHz
Tuning steps:10 / 100 Hz, 2.5 / 5 / 10 / 12.5 / 15 / 20 / 25 / 500 KHz
Frequency stability: AM/FM: ±10 ppm @ 0 to 50°C (32 to 122°F)
SSB/CW: ±2 ppm @ 0 to 50°C (32 to 122°F)
Mode:AM / FM / SSB / CW
Channels / memory management: 99 regular
2 scan edge pairs (PMS)
2 priority
RAM storage with lithium battery backup
Repeater shift / offset: 10 m: ±100 KHz
6 m: ±1 MHz
(Defaults, programmable)
Power supply:13.8 VDC (6-pin Molex)
(Mains option)
Current drain / power consumption:RX: 2 A
TX: Max 20 A
Antenna impedance / connector:50 ohm / SO-239
Dimensions (W*H*D):285*110*262 mm (11.22*4.33*10.31")
Weight:7 Kg (15.43 lb)
Other features:NB. IF shift. Attenuator. Notch filter. CAT control.




RECEIVER SECTION
Receiver system: Double conversion superheterodyne (FM)
1st IF: 13.69 MHz
2nd IF: 455 KHz
Triple conversion superheterodyne (AM/SSB/CW)
1st IF: 13.69 MHz
2nd IF: 455 KHz
3rd IF: 8.215 MHz
Sensitivity: AM: 0.5 uV (10 dB S/N)
FM: 0.16 uV (12 dB SINAD)
SSB/CW: 0.125 uV (10 dB S/N)
Selectivity: SSB/CW/AM narrow
2.4 KHz (-6 dB)
4.5 KHz (-60 dB)
AM normal
6 KHz (-6 dB)
18 KHz (-50 dB)
FM normal
15 KHz (-6 dB)
30 KHz (-40 dB)
FM narrow
8 KHz (-6 dB)
30 KHz (-40 dB)
CW narrow (Optional)
600 Hz (-6 dB)
1.2 KHz (-60 dB)
Image rejection:60 dB
AF output power / speaker:1.5 W at 5% distortion / 8 ohm
External speaker connector:3.5 mm




TRANSMITTER SECTION
RF output power:

Pwr
AM:2.25 W
FM:10-100 W
SSB (PEP):10-100 W
CW:10-100 W
Modulation system:AM: Low-level (Early stage)
FM: Variable reactance
SSB: Balanced, filtered carrier
Max FM deviation (Factory set):Normal: ±5 KHz
Narrow: ±2.5 KHz
Spurious emissions:Better than -40 dB
Microphone impedance / connector:200 ohm to 10 Kohm (600 ohm nominal) / 8-pin (Metal locking ring connector)
Microphone input level:? mV




MISCELLANEOUS
Manufactured:Japan, 199x-199x (Discontinued)
Additional info:
Related documents:User manual (3.8 MB)
Modifications and fixes:
Reviews:QST: October 1991
Options / Accessories:
DVS-2
E-DC-3
FIF-232C
FP-22
FTS-8
MD-1C8
SP-5
XF-455M601-01
Digital voice recording system
Double-fused DC power cable
CAT system interface
Internal switch mode power supply
CTCSS/PL encoder/decoder unit
Desk microphone
External speaker with filters
CW narrow filter. 600 Hz