| |
TK-271A |
TK-471A |
| General |
Frequency Range
TX:
RX: |
144 ~ 148 MHz
136 ~ 174 MHz |
C: 400 ~ 430 MHz
C2: 440 ~ 480 MHz
C: 400 ~ 430 MHz
C2: 440 ~ 480 MHz |
| Mode |
F3E (FM), F2D |
| Power Requirement |
-13.8V DC ±15%, negative ground |
Current Drain
Transmit
Receive |
Less than 13.0 A (HI), less than 8.0 A (Low)
Less than 1.0 A |
| Operating Temperature Range |
-20ºC ~ +60ºC |
| Antenna Impedance |
-50Ω |
| Microphone Impedance |
-600Ω |
| Frequency Tolerance |
-±2.5 ppm (-20º C ~ +60º C) |
Dimensions (W x H x D)
(Projections included) |
160 x 43 x 137 mm
(161 x 43 x 169 mm)
|
| Weight |
1.2 kgs (approx.) |
| Transmitter |
RF Output Power
High
Low |
60 W
25 W |
40 W
25 W |
| Modulation |
Reactance modulation |
| Maximum Frequency Deviation |
±5kHz |
| Modulation Distortion |
Less than 3% (300 MHz ~ 3 kHz) |
| Receiver |
| Circuitry |
Double Conversion Superheterodyne |
Intermediate Frequency
1st IF
2nd IF
|
49.95 MHz
450 kHz
|
| Sensitivity (12 dB SINAD) |
Less than 0.18 μV (Narrow: less than 0.22 μV) |
| Squelch Sensitivity |
Less than 0.1 μV |
Selectivity
-6 dB
-60 dB |
More than 12 kHz (Narrow: more than 10 kHz)
Less than 30 kHz (Narrow: less than 24 kHz) |
| Audio Output Power |
More than 2 W (5% distortion) |
