Vector-LP Radio Beacon Transmitter Technical Instruction Manual
Page
1-3
Section 1 General Information
Issue 1.1
Table 1-2:
Recommended Site Test Equipment
EQUIPMENT PART/MODEL
NUMBER
OR TYPE (EQUIVALENT
MAY BE USED)
APPLICATION
Dummy load
50
:
, rated for at least twice
the maximum continuous
carrier power level (250 W
and 500 W), VSWR 1.1
Provides precise load for ‘off-
air’ testing (calibration and
troubleshooting).
Digital multimeter
3-1/2 digit, ac and dc volts
(10 M
:
input), ohms and
amps, ± 0.5% accuracy,
Beckman 3010
Testing and maintenance
Ac Voltmeter
HP400E
Precise measurement of RF
voltage across dummy load
during calibration procedures
Frequency counter
5 ppm up to 10 MHz
Fluke model 1900A
Measure carrier frequency
Oscilloscope
Tektronix model T922
Testing and maintenance
RF Signal Generator
Capable of operating in
frequency range of 190 – 550
kHz with an adjustable output
capable of supplying 0.5 V
pp – 4 V pp into 50
:
Simulate external RF drive
source during testing and
troubleshooting.
Dc power supply (variable)
0 – 50 V, 1A
Testing and maintenance
Torque wrench
Capable of providing five
inch-pounds (0.665 Newton-
Meters) of torque.
Installing power MOSFETs
Serial null modem adapter
9-pin null modem
Programming firmware
Current probe
Calibrate reflected power
Clip-on dc current meter
Calibrate battery current
