1.Power
supply
1.Power supply
voltage DC4.5V
15V/2A DC power
supply
BAT+&BAT-
ii.Receiver Section
Item
Condition
Measurement
Adjustment
Specification/Remark
s
Test Instrument
Terminal
Part
Method
2. Sensitivity
1. RX low
Channel
Radio
Communication
Test Set Signal
Generator
i. Output:
≤
-119dBm
ii. Modulating
signal: 1KHz
iii. Frequency
Dev:
±
1.5KHz
Antenna port: RF
I/P
Speaker Jack: Audio
O/P
with 16
Ω
dummy
load
Check
SINAD: 12dB or
higher
2. RX center
channel
3. RX high
Channel
Distortion
4.Audio
power
1. RX center
channel
Radio
Communication
Test Set Signal
Generator
i. Output: -60dBm
Antenna port: RF
I/P
Speaker Jack: Audio
O/P
with 16
Ω
dummy
load
Check
Audio Distortion
≤
5% @ 0.05W
Audio power
output > 0.2W
iii. Transmitter Section
Item
Condition
Measurement
Adjustment
Specification/Remark
s
Test Instrument
Terminal
Part
Method
5. TX
Frequency
Error
1.TX center
channel
Radio
Communication
Test Set @ TX
Mode
Test Set is
connected
to antenna port of
DUT
Error
≤
±
200Hz
6. TX Power
1.TX power
- Radio
Communication
Test Set @ TX
Mode
- multimeter
Test Set is
connected
to antenna port of
DUT
Adjust it to :
RF PWR
＜
0.5W l
≤
350mA
Check RF power
level
7. Max.
Frequency
Deviation
1.TX center
channel
Radio
Communication
Test Set @ TX
Mode
FILTER:
0.3-3.4KHz
AF O/P:1KHz
100mV
‘
- Test Set is
connected
to antenna port of
DUT - AF O/P is
connected
to MIC Jack with 2K
Ω
dummy load
Check
deviation at
＜
2.5KHz
2. TX low
channel
3. TX high
channel
