Alinco DR-138, Руководство по обслуживанию

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DR138
SPECIFICATIONS
General
Frequency Range
RX
136~174MHz
TX 136~174MHz
Number of channels 200
Operation mode FM 16K
φ
F3E (Wide) 11K
φ
F3E (Narrow)
PLL Stepping 2.5, 5, 6.25, 8.33, 10, 12.5, 20, 25, 30, 50KHz
Antenna Impedance 50 Ω
Working temperature
–20
℃
~+60
℃
Power Supply 13.8V DC±15% (11.7~15.8V)
Grounding Method Negative ground
Current Drain
Less than 300mA on standby
Less than 600mA on receive
Less than 10A on transmit
Frequency Stability ±2.5ppm
Dimensions (W x H x D)
(Dimensions including protrusions)
145 x 47 x 190 mm
Weight ( Including microphone ) Approx. 1.2kg
TRANSMITTER
Power Output
High
60W
Mid 25W
Low About 10W
Modulation Reactance modulation
Maximum frequency deviation Wide : ±5kHz Narrow : ±2.5kHz
Spurious emission 60dB
Adjacent channel power Wide : 70dB Narrow : 60dB
Noise and hum ratio Wide : 40dB Narrow : 36dB
Microphone Impedance 1K Ω
RECEIVER
Receiver circuitry Double conversion superheterodyne
Intermediate Frequency (1st / 2nd) 38.85MHz / 450kHz
Sensitivity (12dB SINAD) Wide : 0.25 μ V or less Narrow : 0.35 μ V or less
Squelch Sensitivity 0.126 μ V or less
Adjacent channel selectivity Wide : 70dB Narrow : 60dB
Intermodulation rejection ratio 60dB
Spurious and image rejection ratio 70dB
Audio Output (8 Ω ,10% distortion) 2W or higher (10% distortion)
Audio Output Impedance 8 Ω
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