Specifications - Kenwood TH-K20A Service Manual

General
Guaranteed range (MHz)
Operation Frequency range (MHz)
Mode
Antenna impedance
Operating temperature range
Operating Voltage
Frequency stability
Dimensions W x H x D (projections not included) <with KNB-63L> 54 x 111.7 x 25.3 mm / 2.13 x 4.4 x 1.0 in
Weight <with KNB-63L>
Transmitter
RF output power <with KNB-63L/ KNB-65L>
Modulation
Maximum frequency deviation
Spurious emission
Modulation distortion
Microphone impedance
Receiver
Circuit type
Intermediate Frequency (IF)
Sensitivity (12dB SINAD)
Squelch sensitivity
Selectivity
Audio output
Note: All specifi cations (General, Transmitter and Receiver) are guaranteed within the amateur radio band.
Guaranteed frequency range .............................................................. 144~148MHz (K,M)

SPECIFICATIONS

TX & RX 144~148 (K/M) / 144~146 (E)
TX 136~174 (M) / 144~148 (K) / 144~146 (E)
RX 136~174
F3E, F2D
50
–20°C ~ +60°C (+4°F ~ +140°F)
DC 6.0 ~ 9.0V (7.4V nominal)
Within ±2.5ppm
Approx. 210g / 7.4oz.
High 5.5W
Medium 2W
Low 1W
Reactance
Within ±5kHz
Less than -60dB
Less than 5% (300Hz~3kHz)
2k
Double super heterodyne
1st IF: 38.85MHz 2nd IF: 450kHz
Less than 0.16µV
Less than 0.13µV
-6dB More than 10kHz
-50dB Less than 28kHz
More than 400mW (8/ 10% distortion)
144~146MHz (E)
TH-K20A/K20E
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