The Keysight (Agilent/HP) 8720C is a 2-port microwave vector network analyzer covering 50 MHz to 20 GHz. It integrates a fast-sweeping synthesized source, S‑parameter switching test set, tuned receiver, and a large color display in a single instrument.

Specifications

General

ParameterValue
DisplayLarge color display
Instrument ClassMicrowave network analyzer (vector)

Measurement Performance

ParameterValue
Frequency Range50 MHz - 20 GHz
Number of Test Ports2
Test Set IntegrationIntegrated switching test set measures all four S‑parameters with a single connection
S‑Parameters MeasuredS11, S21, S12, S22

S‑Parameter Accuracy and Error Terms

ParameterValue
Vector Accuracy EnhancementError-correction capability (vector accuracy enhancement)

Source Characteristics

ParameterValue
Synthesized SourceBuilt-in fast-sweeping synthesized source

Receivers and Dynamic Range

ParameterValue
Tuned ReceiverIntegrated tuned receiver

Time Domain and Specialized Measurements

ParameterValue
Time Domain CapabilityOptional time-domain function
Time/Distance DisplayComputes and displays response versus time or distance (with time-domain option)

Options and Configurations

ParameterValue
Solid-State Switch OptionAllows simultaneous measurement of forward and reverse parameters

Sweep and Measurement Control

ParameterValue
Continuous S-Parameter UpdateContinuous update of all four S‑parameters with solid-state switch option (supports two-part error correction)

Display, Analysis, and User Interface

ParameterValue
Pass/Fail TestingBuilt-in pass/fail testing
Save/RecallSave and recall of test configurations
Display ChannelsTwo independent display channels for simultaneous reflection and transmission measurements

Technology

Vector network analyzer with integrated S-parameter test set, synthesized source, and tuned receiver.

Applications

R&D, manufacturing, incoming inspection, and quality assurance of RF/microwave components.