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How to Characterize CATV
Amplifiers Effectively

Application Note 1288-4
Using the HP 4396B
RF Network/Spectrum/
Impedance Analyzer

Page 1
Contents Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1. CATV System Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2. Main Features of a CATV Amplifier . . . . . . . . . . . . . . . . . . . . . . . . . 5
3. Evaluation Parameters for a CATV Amplifier . . . . . . . . . . . . . . . . . 5
4. CATV Amplifier Measurement Using the HP 4396B RF
Network/Spectrum/Impedance Analyzer . . . . . . . . . . . . . . . . . . . . . 6
4-1. Requirements for network/spectrum analyzer . . . . . . . . . . . . . . . . 6
4-2. HP 4396B Basic Performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
4-3. Features of HP 4396B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
5. Network Measurement of CATV Amplifier Using HP 4396B . . . . . 8
5-1. Network Measurement Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
5-2. Transmission Characteristic (Amplitude