2
FT-250R Technical Supplement
Specifications
GENERAL
Frequency coverage (MHz):
RX: 136 to 174
TX: 144 to 146 (148)
Channel steps:
5, 10, 12.5, 15, 20, 25 & 50 kHz
Frequency Stability
:
±5 ppm @ 14° to 140° F (–10° to +60° C)
Standard repeater shift:
600 kHz
Emission type:
F2D, F3E
Supply voltage:
Nominal: 7.2 V DC, Negative Ground
Operating: 6.0 to 16.0 VDC, Negative Ground (EXT DC Jack)
Current consumption:
Receive: 150 mA;
Standby, Saver off : 38 mA
Standby, Saver on : 23 mA
Auto Power Off : 8 mA
Transmit
(HIGH) : 1.3 A;
(MID) : 900 mA;
(LOW) : 500 mA;
Operating Temperature
:
–4° to 140° F (–20 °C to +60 °C)
Case size (WHD):
2.3" (W) x 4.3" (H) x 1.1" (D) (58 x 108.5 x 26.5 mm) (w/o knob & antenna)
Weight (approx.):
11.5 Oz (325g) w/FNB-83, Antenna and BeltClip
RECEIVER
Circuit type:
Double-conversion superheterodyne
Intermediate Frequency:
1
st
: 21.7 MHz
2
nd
: 450 kHz
Sensitivity:
0.16 µV for 12 dB SINAD
Adjacent channel selectivity:
65 dB
Intermodulation:
65 dB
Audio output:
0.7 W @16 ohms for 10% THD (@7.4V) Internal Speaker
0.4 W @8 ohms for 10% THD (@7.4V) External Jack
TRANSMITTER
Power output:
5.0 W (High) / 2.0 W (Middle) / 0.5 W (Low) (@7.2 V)
Modulation system:
variable reactance
Maximum deviation:
±5 kHz
Spurious emissions:
At least 60 dB below
Microphone type:
2-kilohm condenser
Specifications are subject to change without notice, and are guaranteed within the 144 MHz amateur band only. Fre-
quency ranges will vary according to transceiver version; check with your dealer.
Summary of Contents for FT-250R
Page 4: ...4 FT 250R Technical Supplement Exploded View Miscellaneous Parts Note...
Page 5: ...5 Block Diagram FT 250R Technical Supplement...
Page 6: ...6 Block Diagram FT 250R Technical Supplement Note...
Page 14: ...14 FT 250R Technical Supplement Alignment Note...
Page 16: ...16 MAIN Unit FT 250R Technical Supplement...
Page 30: ...30 MAIN Unit FT 250R Technical Supplement Note...
