Pulsar TCF-10B, Системное руководство, Страница: 61 / 249

Table 4-1 shows the equipment you should use to perform the Acceptance Tests (Chapter 5) and Routine
Adjustments (Chapter 6).
Copyright © 1997 Pulsar Technologies, Inc.
Chapter 4. Test Equipment
4
Table 4–1. Recommended Test Equipment.
High-Impedance Selective Level Meter, 300 Hz to 1 MHz
(Rycom 6021A)*
•
Impedance Matching
•
Transmitter Power Adjustment
•
Receiver Margin Setting
Current Meter (Simpson 260)* Check dc Supply
Non-Inductive Resistor, 50 Ohm, 25 W (Pacific)*
Signal Generator (H/P 3325A, Signal Crafter Model 90)*
Extender Board (1353D70G01)
Transmitter Termination
General ac output for lab measurements
(See Figure 4-1.)
Reflected Power Meter, Auto VLF Power SWR Meter
(Signal Crafter 70)* Impedance Matching at Carrier Output
Oscilloscope (Tektronix)*
•
Transmitter Power
•
Adjustment for Optional Voice Adapter
Module
Frequency Counter, 80 MHz (H/P5381A)*
•
Transmitter Frequency
•
Offset for three-terminal line applications
Equipment Application
!
CAUTION
WE RECOMMEND THAT THE USER OF THIS EQUIPMENT BECOME THOROUGHLY ACQUAINTED WITH THE
INFORMATION IN THESE INSTRUCTIONS BEFORE ENERGIZING THE TCF–10B AND ASSOCIATED
ASSEMBLIES.YOU SHOULD NOT REMOVE OR INSERT PRINTED CIRCUIT MODULES WHILE THE TCF–10B
IS ENERGIZED. ALL INTEGRATED CIRCUITS USED ON THE MODULES ARE SENSITIVE TO AND CAN BE
DAMAGED BY THE DISCHARGE OF STATIC ELECTRICITY. YOU SHOULD ALWAYS OBSERVE ELECTRO-
STATIC DISCHARGE PRECAUTIONS WHEN HANDLING MODULES OR INDIVIDUAL COMPONENTS.
FAILURE TO OBSERVE THESE PRECAUTIONS CAN RESULT IN COMPONENT DAMAGE.
* Indicates “or equivalent” of the recommended equipment item.