NARDA PMM L3-100, Руководство пользователя

Страница: 39 / 42

Operating PMM Networks 7- 3
7-3 Network verification
and maintenance To verify proper operation of the PMM Networks use the following test
procedure:
Do not connect any AC or DC supply to PMM Networks during this
verification test.
Test equipment needed:
1. RF Generator and level measuring calibrated instrument or
2. Spectrum Analyzer with Tracking Generator.
In both cases, instrument shall be working at 1 MHz.
Verification test procedure:
1. Connect the RF signal (or tracking signal) to the mains output of L3-100
making sure that the ground is connected to the shield of the RF cable
(grounded). The RF signal (or tracking signal) shall be taken to L1 and
L2 sockets, alternatively
2. Connect PMM Networks RF output 3 to the level-meter input (or
Spectrum Analyzer input).
3. Attenuation between generated signal level and measured level on
output shall be less than 0.5dB at 1 MHz. If higher than 0.5 dB, please
refer to qualified NARDA Service Center for maintenance of the unit.