TK-2207
40
ADJUSTMENT /
调整
1.BPF Wave
(1)Center frequency
Spectrum
ANT
Programming
Adjust the
Adjust
Spectrum analyzer setting analyzer
BPF
Software:
waveform as
Center-f : 155MHz
KPG-87D
shown to the
Span
: 50MHz
right.
RBW : 300kHz
VBW : 10kHz
ATT
: 5dB
(2)High-edge frequency
Spectrum analyzer setting
Center-f : 174MHz
(3)Low-edge frequency
Spectrum analyzer setting
Center-f : 136MHz
2.Sensitivity
TEST CH: Low
SSG
ANT
Check
12dB SINAD or more
check
Center
DVM
[Wide]
High
Oscilloscope
SSG otuput:–117 dBm(0.3
µ
V) AF VTVM
SSG MOD:3.0kHz
[Narrow]
TEST CH: Center
SSG otuput:–115 dBm(0.4
µ
V)
SSG MOD:1.5kHz
3.SQL1
TEST CH: Center
Programming
Write
Squelch open
(Threshold)
Low
Software:
writing
High
KPG-87D
[Wide]
SSG otuput:–123 dBm(0.16
µ
V)
SSG MOD:3.0kHz
[Narrow]
TEST CH: Center
SSG otuput:–122 dBm(0.18
µ
V)
SSG MOD:1.5kHz
4.SQL9
TEST CH: Center
(Tight)
Low
writing
High
[Wide]
SSG otuput:–117 dBm(0.3
µ
V)
SSG MOD:3.0kHz
[Narrow]
TEST CH:Center
SSG otuput:–116 dBm(0.35
µ
V)
SSG MOD:1.5kHz
5.BATT
BATT terminal voltage:5.9V
DVM
ANT
Write
BATT terminal
Detection
BATT terminal
voltage:5.9V
Writing
Receiver Section
Item
Condition
Measurement
Adjustment
Specifications/
Test equipment
Terminal
Parts
Method
Remark
Ref -20 dBm
Center 136 MHz
#Res BW 300 kHz #VBW 10 kHz #Sweep100 ms (401 pts)
Span 50 MHz
Peak
Log
5
dB/
W1 S2
S3 FC
AA
Atten 5 dB
1
-31.86 dBm
Mkrl 136.0 MHz
Ref -23 dBm
Center 155 MHz
#Res BW 300 kHz #VBW 10 kHz #Sweep100 ms (401 pts)
Span 50 MHz
Peak
Log
5
dB/
W1 S2
S3 FC
AA
Atten 5 dB
1
-33.5 dBm
Mkrl 155.0 MHz
Ref -23 dBm
Center 174MHz
#Res BW 300 kHz #VBW 10 kHz #Sweep100 ms (401 pts)
Span 50 MHz
Peak
Log
5
dB/
W1 S2
S3 FC
AA
Atten 5 dB
-34.06 dBm
Mkrl 174.0 MHz
1