Alinco DR-635 - Manual (Page 63)

61
Maintenance / Reference
General DR-635T, DR-635E
Frequency coverage
DR-635T 87.500 - 107.995MHz (WFM RX)
108.000 - 135.995MHz (AM RX)
136.000 - 173.995MHz (RX)
144.000 - 147.995MHz(TX)
335.000 - 479.995MHz (RX)
430.000 - 449.995MHz (TX)
DR-635E 87.500 - 107.995MHz (WFM RX)
144.000 - 145.995MHz (RX, TX)
430.000 - 439.995MHz (RX, TX)
Operating mode 16K0F3E (Wide mode), 8K50F3E (Narrow mode)
Frequency resolution 5, 8.33, 10, 12.5, 15, 20, 25, 30, 50, 100kHz
Number of memory channels 200
Antenna impedance 50 Ω unbalanced
Power requirement 13.8V DC +/-15% (11.7 to 15.8V)
Ground method Negative ground
Current drain Receive: 0.7A(Max.), 0.5A(Squelched)
Transmit: 11.0A
Operating temperature - 10 ° C to 60 ° C
Frequency stability +/- 2.5ppm
Dimensions 140(w) - 40(h) - 185(d) mm (w/o knobs)(5.51” x 1.57” x 7.28”)
Weight Approx. 1.0kg (2.2lbs.)
Transmitter
Output power High:50W(VHF), 35W(UHF)Mid:20WLow:5W
Modulation system Variable reactance frequency modulation
Maximum frequency deviation +/- 5kHz (Wide mode) +/-2.5kHz (Narrow mode)
Spurious emission -60dB
Adjacent channel power -60dB
Modulation Distortion Less than 3%
Microphone impedance 2k Ω
Receiver
Sensitivity -14dBu for 12dB SINAD
Receiver circuitry Double conversion superheterodyne
Intermediate frequency 1st 21.7MHz 2nd 450kHz (VHF)
1st 45.1MHz 2nd 455kHz (UHF)
Squelch sensitivity -18dBu
Selectivity(-6dB/-60dB) 12kHz/28kHz
Spurious and image 70dB
rejection ratio
Audio output power 2.0W (8 Ω ,10%THD)
Specification
*All specifications are subject to change without notice or obligation.