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1
Performance Tests - Verifying Specifications
Test 4: Power Reference Oscillator Frequency
The internal power reference oscillator is used to calibrate the Power Meter to the
power sensor head. This test verifies that the frequency output of the power
reference oscillator is 50.0 MHz ±0.5 MHz.
Equipment Required
Keysight 53150A Microwave Frequency Counter
Keysight 10503 Series Coaxial Cables (BNC m to m)
Keysight 1250-1535 BNC (f) to Type N (m) Adapter
Power Reference Oscillator Frequency Test
– The instrument and the test equipment must be powered on for at least
NOTE
– This procedure specifies the Keysight 53150A for measuring the frequency
1 Connect an Keysight E9635A adapter to the Keysight 53147A/48A/49A's
42
30 minutes prior to measuring the power reference oscillator output. This
allows the internal temperatures of the equipment to stabilize.
output of the 53147A/48A/49A's power reference oscillator. If the 53147A/
48A/49A's Frequency Counter is known to be in calibration (see
Channel 1 Frequency Sensitivity"
53150A in this procedure.
Power Meter OUTPUT connector as shown in
Keysight 53147A/148A/149A Assembly Level Service Guide
on page 31), you can use it in place of the
Figure
1-7.
"Test 1:
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