The Keysight (formerly Hewlett-Packard / Agilent) 8722D is a high-performance microwave vector network analyzer operating from 50 MHz to 40 GHz. It integrates a fast-sweeping synthesized source, a solid-state switching S-parameter test set, and a tuned vector receiver into a single instrument. Designed to measure magnitude, phase, and group delay of RF and microwave components, it delivers up to 105 dB of dynamic range and provides powerful error correction capabilities.
Specifications
General
| Parameter | Value |
|---|---|
| Interfaces | GPIB (IEEE-488.2), RS-232, Parallel |
| Display | Color CRT |
| Storage Media | Built-in 3.5-inch MS-DOS compatible floppy disk drive |
Physical
| Parameter | Value |
|---|---|
| Power Supply | 90 to 132 V or 198 to 264 V (48 to 66 Hz); 90 to 132 V (400 Hz); 280 VA max |
| Operating Temperature | 0 to 55 °C |
| Dimensions (W×H×D) | 425 × 222 × 457 |
| Weight | 25 |
Frequency Characteristics
| Parameter | Value |
|---|---|
| Frequency Range | 50 MHz to 40 GHz |
| Frequency Resolution | 1 Hz |
| Sweep Types | Linear frequency, log frequency, list frequency, CW time, power |
Measurement Capabilities and Processing
| Parameter | Value |
|---|---|
| Measured Parameters (S-Parameters) | S11, S21, S12, S22 |
| Number of Measurement Channels | 2 independent channels |
| Data Points per Sweep | 11, 26, 51, 101, 201, 401, 801, 1601 |
| Display Formats | Log magnitude, linear magnitude, phase, group delay, SWR, polar, Smith chart, real, imaginary |
| Calibration Methods | Response, response and isolation, 1-port, 2-port, TRL*/LRM* |
| Time Domain Transformation (Option) | Option 010 |
System Architecture
| Parameter | Value |
|---|---|
| Test Set Type | Integrated solid-state switching S-parameter test set |
Test Port Input
| Parameter | Value |
|---|---|
| Nominal Input Impedance | 50 Ω |
Interfaces and Connectors
| Parameter | Value |
|---|---|
| RF Test Port Connectors | 2.4 mm (male) |
Source
| Parameter | Value |
|---|---|
| Source Frequency Accuracy | ±10 ppm (at 25 °C ±5 °C) |
Data Processing
| Parameter | Value |
|---|---|
| Sweep Averaging | 1 to 999 sweep factor |
| Trace Smoothing | 0.1% to 20% of span |
Measurement
| Parameter | Value |
|---|---|
| Group Delay Aperture | Selectable from 1 point to 20% of frequency span |
Source Performance
| Parameter | Value |
|---|---|
| Maximum Output Power | -5 dBm (0.05 to 20 GHz); -10 dBm (20 to 40 GHz) |
Receiver Performance
| Parameter | Value |
|---|---|
| Maximum Input Level (Damage) | +20 dBm or 0 Vdc |
| IF Bandwidth Options | 10 Hz, 30 Hz, 100 Hz, 300 Hz, 1 kHz, 3 kHz |
Environmental
| Parameter | Value |
|---|---|
| Storage Temperature | -40 °C to +70 °C |
Options & Upgrades
| Parameter | Value |
|---|---|
| Option 012 | Direct sampler access |
| Option 089 | Frequency offset mode (for mixer testing) |
| Option 400 | Fourth sampler / TRL calibration capability |
Technology
Vector Network Analysis
Applications
Microwave Component Testing