PT6808 Service Manual
Chapter 9 Servicing and Testing Equipment
Equipment and apparatus listed below are required for servicing and test of PT6800.
No.
Name
Major Specifications
1
Standard signal generator
Frequency range: 350 ~ 500MHz
Modulation: FM and external modulation
Output: -127dBm/0.1
μ
V ~ > -47dBm/1mV
2 Power
meter
Input impedance: 50
Ω
Operating frequency: 350 ~ 500MHz
Measuring range: around 50W
3
Deviation meter
Frequency range: 350 ~ 400MHz
4 Digital
voltmeter
Measuring range: DC 10mV ~ 10V
Input impedance: High input impedance of min. circuit load
5
Oscilloscope
DC ~ 30MHz
6
High sensitivity frequency
counter
Frequency range: 50Hz ~ 10kHz
Frequency stability: 0.2ppm or lower
7 Ammeter
15A
8
Audio frequency voltmeter
Frequency range: 50Hz ~ 5kHz
Voltage range:1mV~10V
9
Audio frequency generator
Frequency range: 50Hz ~ 5kHz or higher
Output: 0 ~ 1V
10 Distortion
tester
Capacity: 3% or lower @ 1kHz
Input level: 50mV ~ 10vms
11
Spectrum analyzer
Measuring range: DC ~ 1GHz or higher
12 Path
generator
Center frequency: 50kHz ~ 600MHz
Output voltage: 100mV or higher
13 16
Ω
dummy load
Around 8
Ω
, 3W
14
Adjustable power supply
20V ~ 30V, around 15A