Rx Test Specification - Alinco DR-135 Service Manual

4) Rx Test Specification

TEST ITEM
RX Sensitivity
RX Distortion
RX S/N
Squelch
Sensitivity
S Meter
AF Output
CTCSS Sensitivity
DCS Sensitivity
Drain Current
Power Off Current 440 05MHz
Howling
CONDITION ADJ STANDARD TEST STANDARD
350.05MHz Less than -1dBu
430.05MHz Less than -7.5dBu
440.05MHz Less than -7.5dBu
450.05MHz Less than -7.5dBu
511.95MHz Less than +1dBu
440.05MHz Less than -7.5dBu Less than -6.5dBu
NARROW
WIDE Less than 4%
NARROW
WIDE More than 40dB
NARROW More than 34dB
440.05MHz Squelch Open
Indication 02
Squelch Close
440.05MHz All appears at
1KHz 20dBu
3.5KHz/DEV
440 05MHz More than 2W
Open at
WIDE
500Hz/DEV
NARROW Open at
250Hz/DEV
WIDE Opens when Test
Equipment is in Tx
NARROW Opens when Test
Equipment is in Tx
440 05MHz Less than 0 7A
Less than 10mA
440.05MHz Don't occur
NARROW
MODE
Less than 0dBu 12dBSINAD
Less than -6.5dBu
Less than -6.5dBu
Less than -6.5dBu
Less than +2dBu
Less than 5% SSG Output 40dBu
More than 38dB SSG Output 40dBu
0.3~3KHzBPF OFF
More than 32dB
Squelch Open SSG Output -10dBu
Squelch Close SSG Output OFF
All appears at Decrease SSG level and
25dBu decrease S Meter level
More than 2W SSG Output 40dBu
Open at SSG Output 0dBu
500Hz/DEV 88.5Hz
Open at
250Hz/DEV
Opens when Test 255 code
Equipment is in Tx
Opens when Test 255 code
Equipment is in Tx
Less than 0 7A MAX VR
Less than 10mA Power Off
Don't occur SSG Output 60dBu
MOD OFF MAX VR
NOTE
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