Test 1B: 50 Mhz To 125 Mhz Frequency Sensitivity; Figure 1-4 50 Mhz To 125 Mhz Frequency Sensitivity Test - Keysight Technologies 53147A Service Manual

– Do not disconnect the cable from the instrument's Reference 10MHz
NOTE
– Do not turn off the instrument. Turning the instrument off and back on resets

Test 1b: 50 MHz to 125 MHz Frequency Sensitivity

1 Connect an Keysight 10100C 50 Ω Feedthrough Terminator to the CHANNEL 1
2 Connect the Keysight 1250-2015 BNC (m) to SMA (f) Adapter to the
3 Connect the Keysight 11904A 2.92 mm (m) to 2.4 mm (m) Adapter to the
4 Connect the Keysight 8490D 20 dB Attenuator to the Keysight 11904A
Keysight 53147A/148A/149A Assembly Level Service Guide
connector. This connection is used in the following test.
the reference oscillator (REF OSC) selection to internal (INT) and the channel
selection to CHANNEL 2.
input connector on the instrument's front panel (refer to
through 9).
Figure 1-4 50 MHz to 125 MHz Frequency Sensitivity Test Setup
Keysight 10100C Feedthrough Terminator on the Counter's CHANNEL 1
connector.
Keysight 1250-2015 Adapter.
Adapter.
Performance Tests - Verifying Specifications
Figure 1-4 for steps 1
33
1