Alinco DJ-V57, Руководство по обслуживанию, Страница: 23 / 32

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ADJUSTMENT DJ-V57
2
Required Test Equipment
The following items are required to adjust radio parameters
1.Regulated power supply
Supply voltage: 5-14 DC
Current: 3A or more
2.Digital multimeter
Voltage range: FS = Approx. 20V
Current: 10A or more
Input resistance: High impedance
3.Oscilloscope
Measurable frequency: Audio frequency
4.Audio dummy load
Impedance: 8
Ω
Dissipation: 1W or more
Jack: 3.5mm
Φ
5.SSG
Output frequency: 100MHz or more
Impedance: 50
Ω
, unbalanced
Modulation: FM
6.Power meter
Measurable frequency: Up to 100MHz
Impedance: 50
Ω
, unbalanced
Measuring range: 0.1W-10W
7.Audio volmeter
Measurable frequency: Up to 100kHz
Sensitivity: 1mV to 10V
8.Audio generator
Output frequency: 67Hz to 10kHz
Output impedance: 600
Ω
, unbalanced
9.Distortion meter/SINAD meter
Measurable frequency: 1kHz
Input level: Up to 40dB
Distortion: 1
％
-100
％
10.Frequency counter
Measurable frequency: Up to 100MHz
Measurable stability: Approx.
±
0.1ppm
11.Linear detector
Measurable frequency: Up to 100MHz
Characteristics: Flat
CN: 60dB or more
12. DC Ammeter
Current: 3A or more
ALINCO, INC.
Note:
(1). SSG initial setting
Modulation Frequency:1kHz
Modulation Level:3.5kHz
(2). Necessary optional accessory: EDS-10 ( Microphone/Speaker Cable )
(3). Reference sensitivity: 12dB SINAD
(4). Specified audio output level: 500mW at 8
Ω
(5). Standard audio output level: 50mW at 8
Ω
(6). Use an RF cable ( 3D2W:1M ) for test equipment.
(7). Attach a fuse to the RF test equipment.
(8). All SSG outputs are indicated by EMF
(9). Supply voltage for the transceiver:13.8VDC