(No.RA011<Rev.001>)1-23
SECTION 4
ADJUSTMENT
4.1
Test Equipment Required for Alignment
Test cable for microphone input (E30-3360-28)
MIC connector (Front panel view)
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.
Test Equipment
Major Specifications
1. Standard Signal Generator
(SSG)
Frequency Range
100 to 520MHz
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
100 to 520MHz
Measuring Range
Vicinity of 100W
3. Deviation Meter
Frequency Range
100 to 520MHz
4. Digital Volt Meter (DVM)
Measuring Range
1V 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
0.2ppm or less
7. Ammeter
20A
8. AF Volt Meter (AF VM)
Frequency Range
50Hz to 10kHz
Voltage Range
1mV to 3V
9. Audio Generator (AG)
Frequency Range
20Hz to 20kHz or more
Output
0 to 1V
10. Distortion Meter
Capability
3% or less at 1kHz
Input Level
50mV to 10Vrms
11. 4
Ω
Dummy Load
Approx. 4
Ω
, 10W or more
12. Regulated Power Supply
13.6V, approx. 20A (adjusted from 9 to 17V)
Useful if ammeter equipped
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
1 : MBL
2 : SB
3 : GND
4 : PTT
5 : ME
6 : MIC
7 : HOOK
8 : DM
1
8
Lead wire +
MIC
Shield wire –
Summary of Contents for NX-840
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