Alinco DX-SR9 E, Service Manual

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SPECIFICATIONS
General DX-SR9 T / E
Operating mode J3E (USB, LSB),A3E (AM), A1A (CW), F3E (FM)
Number of memory channels 600 channels simplex
Antenna impedance 50
Ω
unbalanced
Frequency stability ±1ppm
Power requirement 13.8V DC±15% (11.7 to 15.8V)
Ground method Negative ground
100W
50W
100W 20A (max.)
50W 15A (max.)
Operating temperature -10ºC to 60ºC (+14ºF to +140ºF)
240 (w) x 94 (h) x255 (d) mm (Projections not included)
(9.45’’(w) x 3.7’’(h) x 10’’(d))
240 (w) x 100 (h) x 293 (d) mm
(9.45’’(w) x 3.94’’ (h) x 11.54’’(d))
Weight Approx. 4.1kg (9 pounds)
Transmitter
100W 100W (Hi) Approx.10W (LOW) Approx. 1W (S-LOW)
50W 50W (Hi) Approx.10W (LOW) Approx. 1W (S-LOW)
100W 40W (Hi) Approx. 4W (LOW) Approx. 0.4W (S-LOW)
50W 20W (Hi) Approx. 4W (LOW) Approx. 0.4W (S-LOW)
SSB Balanced modulation
Modulation system AM Low power modulation
FM Reactance modulation
Spurious emissions Less than -50 dB (Less than -45dB in 30 m band)
Carrier suppression More than 40 dB
Unwanted sideband More than 50dB (1 kHz)
Maximum FM deviation ±2.5 kHz
Receiver
Receiver type Double conversion superheterodyne
SSB (0.15 to 1.8MHz) 0dBu (1uV)
CW ( 1.8 to 30 MHz) -12dBu (10uV)
Sensitivity (0.15 to 1.8MHz) +20dBu (10uV)
( 1.8 to 30 MHz) +6dBu (2uV)
FM ( 28 to 30 MHz) - 6dBu (0.5uV)
Intermediate frequency 1
st
71.75MHz 2
nd
455kHz
CW,SSB (narrow) 1.0kHz / -6dB 3.0kHz / -60dB
Selectivity SSB,AM (narrow) 2.4kHz / -6dB 4.5kHz / -60dB
AM, FM 9kHz / -6dB 20 kHz / -50dB
Spurious and image rejection ratio More than 70dB
Audio output power More than 2.0W (8
Ω
, 10%THD)
RIT variable range ±1.2 kHz
Receive 1.0A (max.) 0.7A (Squelched)
Current drain
Transmit
Dimensions
SSB,CW,FM
Power output
AM
AM
DX-SR9T DX-SR9E
Microphone impedance 300
Ω
300
Ω
160m band (1.8M) 1.80000 - 1.99999MHz 1.80000 - 1.99999MHz
80m band (3.5M) 3.50000 - 3.99999MHz 3.40000 - 3.99999MHz
*60m band (5.3M) 5.25000 - 5.45000MHz -
40m band ( 7 M) 7.00000 - 7.29999MHz 6.90000 - 7.49999MHz
Transmit Frequency 30m band (10M) 10.10000 - 10.14999MHz 9.90000 - 10.49999MHz
coverage 20m band (14M) 14.00000 - 14.34999MHz 13.90000 - 14.49999MHz
17m band (18M) 18.06800 - 18.16799MHz 17.90000 - 18.49999MHz
15m band (21M) 21.00000 - 21.49999MHz 20.90000 - 21.49999MHz
12m band (24M) 24.89000 - 24.98999MHz 24.40000 - 25.09999MHz
10m band (28M) 28.00000 - 29.69999MHz 28.00000 - 29.99999MHz
Receiver Frequency coverage 135kHz - 29.99999MHz 135kHz - 29.99999MHz