11. Receiver Input Impedance - Agilent Technologies 8753ES Option 011 Service Manual

Performance Tests

11. Receiver Input Impedance

11. Receiver Input Impedance
Perform this test to verify the return loss of each of the analyzer receiver inputs.
Analyzer warmup time: 30 minutes
Specifications
Frequency Range
300 kHz–2 MHz
2 MHz–1.3 GHz
1.3 GHz–3 GHz
a
3 GHz–6 GHz
a. For analyzers with Option 006.
Required Equipment
Description
Test set, 50 Ω
2-way power splitter, 50 Ω
Attenuator, 10 dB
Termination, 50 Ω
Calibration kit, 50 Ω, type-N
Adapter, APC-7 to Type-N (m)
RF cable set, 50 Ω, Type-N
RF cable, 50 Ω, 7mm
Procedure
1. Connect the equipment as shown in
• If you are using the HP/Agilent 85044A, set the attenuation to 0 dB.
• If you are using the HP/Agilent 85046A or 85047A S-Parameter test set, connect the
test set interface cable to the analyzer and use test set port 1.
2-42
Receiver Input
Impedance
≥ 20 dB return loss
≥ 24 dB return loss
≥ 19 dB return loss
≥ 15 dB return loss
HP/Agilent Part or Model Number
85044A/85046A/85047A
11667A Option 001
8491A Option 010
part of cal kit 85032B
85032B
11525A
11851B
part of 11857D
Figure 2-18, with the following additions:
Chapter 2