45
TK-980/981
Test Equipment Required for Alignment
Test Equipment
Major Specifications
1. Standard Signal Generator
Frequency Range
806 to 870MHz (TK-980), 896 to 941MHz (TK-981)
(SSG)
Modulation
Frequency modulation and external modulation
Output
–127dBm/0.1
µ
V to greater than –7dBm/100mV
2. Power Meter
Input Impedance
50
Ω
Operation Frequency
806 to 870MHz or more (TK-980), 896 to 941MHz (TK-981)
Measurement Capability
Vicinity of 30W
3. Deviation Meter
Frequency Range
806 to 870MHz (TK-980), 896 to 941MHz (TK-981)
4. Digital Volt Meter
Measuring Range
1 to 16V DC
(DVM)
Accuracy
High input impedance for minimum circuit loading
5. Oscilloscope
DC through 30MHz
6. High Sensitivity
Frequency Range
10Hz to 1000MHz
Frequency Counter
Frequency Stability
0.2ppm or less
7. Ammeter
10A
8. AF Volt Meter
Frequency Range
50Hz to 10kHz
(AF VTVM)
Voltage Range
3mV to 3V
9. Audio Generator (AG)
Frequency Range
50Hz to 5kHz or more
Output
0 to 1V
10. Distortion Meter
Capability
3% or less at 1kHz
Input Level
50mV to 10Vrms
11. Voltmeter
Measuring Range
1.5 to 30V DC or less
Input Impedance
50k
Ω
/V or greater
12. 4
Ω
Dummy Load
Approx. 4
Ω
, 4W
13. Regulated Power Supply
13.6V, approx. 10A (adjustable from 9 to 17V)
Useful if ammeter requipped
ADJUSTMENT
Lead wire +
MIC
Shiel wire –
1
8
1
8
Cut
E30-3382-05
PTT (TXD) BLK
ME (GND) RED
HOOK (RXD) YEL
Tuning cable (E30-3383-05)
Adapter cable (E30-3383-05) is required for
injecting an audio if PC tuning is used.
See “PC Mode” section for the connection.
MIC connector
(Front view)
Test cable for microphone input
1 : BLC
2 : PSB
3 : E
4 : PTT
5 : ME
6 : MIC
7 : HOOK
8 : CM