Chapter 3
TRANSCEIVER PERFORMANCE TESTING
1.0General
These radios meet published specifications through their manufacturing process by utilizing high- accuracy
2.0Setup
Supply voltage is provided using a power supply (13.8 Vdc for low power models, 13.6 Vdc for high power models). The equipment required for alignment procedures is connected as shown in the Radio Tuning Test Setup Diagram, Chapter 4, Figure
Initial equipment control settings should be as indicated in Table
| Table Number |
| Title |
|
|
|
|
|
|
|
|
| Test Environments |
|
| ||
|
|
|
|
|
|
| Test Channel Spacing |
| |||
|
|
|
|
|
|
| Test Frequencies |
|
| ||
|
|
|
|
|
|
| Transmitter Performance Checks |
| |||
|
|
|
|
|
|
| Receiver Performance Checks |
| |||
|
|
|
|
|
|
| Table | ||||
|
|
|
|
| |
| Service Monitor |
| Test Set | Power Supply | |
|
|
|
|
|
|
Monitor Mode: Power Monitor |
| Spkr set: A | Voltage: 13.8 Vdc (low | ||
|
|
|
| power models) 13.6 Vdc | |
|
|
|
| (high power models) | |
|
|
|
|
|
|
RF Attn: |
| Spkr/load: | DC On/Standby: | ||
|
|
| Speaker | Standby | |
|
|
|
|
|
|
AM, CW, FM: FM |
| PTT: OFF | Volt Range: 20V | ||
|
|
|
|
|
|
Oscilloscope Source: Mod |
|
| Current: 20A | ||
Oscilloscope Horiz: 10mSec/Div |
|
|
|
| |
Oscilloscope Vert: 2.5 kHz/Div |
|
|
|
| |
Oscilloscope Trig: Auto |
|
|
|
| |
Monitor Image: Hi |
|
|
|
| |
Monitor BW: Nar |
|
|
|
| |
Monitor Squelch: mid CW |
|
|
|
| |
Monitor Vol: 1/4 CW |
|
|
|
| |
|
|
|
|
|
|