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Agilent / HP / Keysight 70138A

70138A Vector voltmeter for 70000 MMS

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Description

The Agilent 70138A Vector Voltmeter is designed to be used with the MMS.

It functions as a fully automated tuned receiver for making rf and phase measurements.

The 70138A Vector Voltmeter is a two-channel measuring receiver that measures the magnitude of the signals at its inputs and the phase difference between them.

Depending on the application and measurement configuration, the results of these basic measurements can be presented in various different ways - as voltage and phase angle, power in a 50 or 75 ohm system, magnitude ratio or reflection coefficient.

An example would be:

The results displayed for reflection measurements assume that the A input is the incident signal and the B input is the reflected signal.

An appropriate signal separation device such as a bridge or directional coupler is assumed.

Key Points

Frequency range: 100 kHz - 1.0 GHz (300 kHz to 2.0 GHz with 85082A module)

Maximum input: 2 V peak ac, ±50 Vdc; (+16 dBm with 85082A module)

Amplitude range: +15 dBm to -49 dBm

HP-IB interface

Specifications

Frequency range: 100 kHz - 1.0 GHz (300 kHz to 2.0 GHz with 85082A
module)

Maximum input: 2 V peak ac, ±50 Vdc; (+16 dBm with 85082A module)

Amplitude range: +15 dBm to -49 dBm

HP-IB interface