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Transmitter Frequency Accuracy
SPECIFICATION
Frequency Range
: 20 Hz to 110 kHz
Frequency Accuracy
: 20 Hz to 99.999 kHz±0,005%
: 100 kHz to 110kHz±0.012%
DESCRIPTION
A Frequency Counter is used to check the accuracy and range of the HP
4934A transmitter.
EQUIPMENT
Frequency Counter
: HP5315A
PROCEDURE
1
Set the HP 4934A as follows:
Measurement
: LEVEL FREQ
Transmitter (TRMT) Impedance
: 6000
Display Mode
: TRMT
Transmitter Output Level/Frequency
: 0 dBm/20 Hz
2
Connect the HP 4934A TRMT port to the Frequency Counter input.
3
Check the reading on the Frequency Counter is between 19.999 and 20.001 Hz.
4
Set the HP 4934A transmitter frequency to each of the values in the following
table and check the Frequency Counter reading,
Transmitter Frequency
Frequency Counter Reading
1000 Hz
999.95 to 1000.05 Hz
10,000 Hz
9,999.5 to 10000.5 Hz
50,000 Hz
49,997.5 to 50002.5 Hz
99,999 Hz
99,994 to 100,004 Hz
110,000 Hz
109,986.8 to 110,013.2 Hz
Performance Tests
5-19
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