NX-720H(G)/720H
42
ADJUSTMENT
Test Equipment Required for Alignment
Test Equipment
Major Specifi cations
1. Standard Signal Generator
(SSG)
Frequency Range
100 to 520MHz
Modulation
Frequency modulation and external modulation
Output
–127dBm/0.1µV to greater than –20dBm/22.4mV
When performing the Frequency adjustment, the following accuracy is necessary.
• 0.001ppm
Use a standard oscillator for adjustments, if necessary.
2. Power Meter
Input Impedance
50
Operation Frequency
100 to 520MHz
Measurement Capability
Vicinity of 100W
3. Deviation Meter
Frequency Range
100 to 520MHz
4. Digital Volt Meter (DVM)
Measuring Range
10mV to 20V DC
Input Impedance
High input impedance for minimum circuit loading
5. Oscilloscope
DC through 30MHz
6. High Sensitivity
Frequency
Counter
Frequency Range
10Hz to 1000MHz
Frequency Stability
0.01ppm or less
7. Ammeter
20A or more
8. AF Volt Meter (AF VM)
Frequency Range
50Hz to 10kHz
Voltage Range
1mV to 10V
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. 4
Dummy Load
Approx. 4
, 10W
12. Regulated Power Supply
13.6V,approx.20A (adiustable from 9V to 17V)
Useful if ammeter equipped
13. Spectrum Analyzer
Frequency Range
40MHz to 520MHz
Input Level
Up to +20dBm
Input Sensitivity
–100dBm
Resolution Bandwidth
100Hz
Video Bandwidth
100Hz
14. Tracking Generator
Frequency Range
40MHz to 520MHz
Output Level
–30dBm to 0dBm
■
Tuning cable (E30-3383-05)
Adapter cable (E30-3383-05) is required for injecting an au-
dio if PC tuning is used.
See “PC Mode” section fot the connection.
■
Test cable for microphone input (E30-3360-28)
3
2
4
5
6
7
8
3
1
2
4
5
6
7
8
1
GREEN
RED
BLACK
BLUE
SHIELD
WHITE
GRAY
YELLOW
PTT
E
MIC-E
MIC
HK
■
MIC connector (Front panel view)
1
8
1 : MBL
2 : +B
3 : GND
4 : PTT/TXD (PC serial data from radio)
5 : MICE
6 : MIC
7 : HOOK/RXD (PC serial data to radio)
8 : DM
Lead wire +
MIC
Shield wire –
Summary of Contents for Nexedge NX-720H
Page 83: ...NX 720H G 720H 83 MEMO ...