Rx Test Specification - Alinco DR-235 TMkIII Service Manual

4) RX Test Specification

TEST ITEM CONDITION
RX Signal 216.05MHz
Sensitivity 223.50MHz
250.05MHz
223.50MHz
NARROW
223.55MHz
RX Distortion 223.50MHz
WIDE
NARROW
RX S/N 223.50MHz
WIDE
223.50MHz
NARROW
Squelch 223.50MHz
Sensitivity Indication 02
S Meter 223.50MHz
1KHz
3.5KHz/DEV
AF Output 223.50MHz
CTCSS 223.50MHz
Sensitivity WIDE
223.50MHz
NARROW
DCS Sensitivity 223.50MHz
WIDE
223.50MHz
NARROW
Drain Current 223.50MHz
Power off Current 223.50MHz
Howling 223.50MHz
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ADJ. STANDARD
Less than -7dBu
Less than -8dBu
Less than -3dBu
Less than -8dBu
Less than 6dBu
Less than 4%
More than 40dB
More than 34dB
Squelch Open
Squelch Close
All appears at
20dBu
More than 2W
Open at
500Hz/DEV
Open at
250Hz/DEV
Opens when Test
Equipment is in TX
Opens when Test
Equipment is in TX
Less than 0.65A
Less than 10mA
Don't occur
TEST STANDARD
Less than -6dBu 12dB SINAD
Less than -7dBu
Less than -2dBu
Less than -7dBu
Less than 7dBu AM 10dB S/N
SSG Output 30dBu
Less than 5%
More than 38dB SSG Output 40dBu
0.3~3K H z BPF OFF
More than 32dB
Squelch Open SSG Output -1 OdBu
Squelch Close SSG Output OFF
All appears at Decrease SSG level and
25dBu decrease S Meter level
More than 2W SSG Output 30dBu
Open at
SSG Output OdBu
500Hz/DEV 88.5Hz
Open at
250Hz/DEV
Opens when Test 255 Code
Equipment is in TX
Opens when Test
Equipment is in TX
Less than 0.65A Max volume
Less than 10mA
Power off
Don't occur
SSG Output 60dBu
Mod off, Max volume
NOTE