VHF (136-174 MHz)
Tuning Description
36
8.2.2
Test a Radio
After tuning the radio, it is required to test the digital RF signal.
Transmitting
Step 1
Open the Tuner software and go to “TEST -> TX”, and double click “Transmit BER (0.153)” from
the navigation tree on the left to open Transmit BER (0.153) interface.
Step 2
Select the channel to be tested and select “High Power” in the “Parameter”.
Step 3
Set the Aeroflex 3920 as follows:
Freq: Be consistent with the frequency to be tested.
STD IB 511(153)
Step 4
Click the “Transmit On” button.
Step 5
View all items on the Aeroflex 3920.
Frequency Error
≤
100 Hz
Transmit Power: 4.7
±
0.3 W
FSK Error
≤
5%
Magnitude Error
≤
1%
Receiving
Step 1
Open the Tuner software and go to “TEST -> RX”, and double click “Receiver BER (0.153)”
from the navigation tree on the left to open Receiver BER (0.153) interface.
Step 2
Select the frequency to be tested.
Step 3
Set the Aeroflex 3920 as follows:
Freq: Be consistent with the frequency to be tested.
STD IB 511(.153)
Lvl: -116.0 dBm
Step 4
Click the “Start” button.
Step 5
The average error rate is less than or equal to 5%.
Receive Oscillator
Voltage
1.
Connect the antenna connector of the radio with HP8921, and set
HP8921 to RX test mode.
2.
Open the Tuner software, go to “TUNE_DATA -> RX” and double click
“Receive Oscillator Voltage” from the navigation tree on the left.
3. Click the “Save” button to save the existing value to the radio.
Summary of Contents for PD502
Page 1: ...PORTABLE...
Page 5: ...VHF 136 174 MHz...
Page 13: ...VHF 136 174 MHz Exploded View and Packaging Guide 7 3 2 Packaging Guide...
Page 18: ...VHF 136 174 MHz Circuit Description 12...
Page 43: ...PCB 3 9 PCB VHF 136 174 MHz...
Page 44: ...PCB 3 VHF 136 174 MHz...
Page 71: ...UHF1 400 470 MHz...
Page 79: ...UHF1 400 470MHz Exploded View and Packaging Guide 7 3 2 Packaging Guide...
Page 84: ...UHF1 400 470MHz Circuit Description 12...
Page 108: ...UHF1 400 470MHz PCB 36 9 PCB...
Page 109: ...UHF1 400 470MHz PCB 37...
Page 136: ...1616300000260 2014 03 17 L07157 4...
