The Keysight (formerly Agilent) 85050B is a high-precision 7 mm mechanical calibration kit designed to characterize the systematic errors of compatible vector network analyzers from DC to 18 GHz. This kit includes a comprehensive suite of calibration standards, torque wrenches, connector gages, sex-change adapters, and calibration definitions on disk to ensure reliable, high-performance two-port calibrations.
Specifications
Physical
| Parameter | Value |
|---|---|
| Operating Temperature | 15 to 35 °C |
| Dimensions (W×H×D) | 368 mm × 108 mm × 311 mm |
General Specifications
| Parameter | Value |
|---|---|
| Frequency Range | DC to 18 GHz |
| Nominal Impedance | 50 Ω |
| Connector Type | 7 mm (APC-7) |
| Connector Gender | Sexless |
| Calibration Methods Supported | Full Two-Port Calibration |
| Compatible Vector Network Analyzers | Agilent / Keysight network analyzers |
Open Standard Specifications
| Parameter | Value |
|---|---|
| Open Standard Frequency Range | DC to 18 GHz |
| Open Standard Phase Deviation (DC to 2 GHz) | ±0.3° from nominal |
Short Standard Specifications
| Parameter | Value |
|---|---|
| Short Standard Frequency Range | DC to 18 GHz |
| Short Standard Phase Deviation (DC to 2 GHz) | ±0.2° from nominal |
Fixed Load Standard Specifications
| Parameter | Value |
|---|---|
| Lowband Fixed Load Frequency Range | None (the kit contains a single broadband fixed load operating from DC to 18 GHz) |
| Broadband Fixed Load Frequency Range | DC to 18 GHz |
| Broadband Fixed Load Return Loss | ≥ 52 dB (DC to 2 GHz), ≥ 40 dB (2 to 18 GHz) |
Sliding Load Standard Specifications
| Parameter | Value |
|---|---|
| Sliding Load Frequency Range | 2 to 18 GHz |
| Sliding Load Return Loss | ≥ 52 dB (2 to 18 GHz) |
Kit Contents & Physical Properties
| Parameter | Value |
|---|---|
| Torque Wrenches | Included for proper connection of standards |
| Adapters | None (7 mm APC-7 connectors are sexless; no adapters are included in the kit) |
| Connector Gages | Included for verifying and maintaining the connector interface |
| Calibration Definition Media | Standard definitions on disk for loading into VNA |
Environmental
| Parameter | Value |
|---|---|
| Storage Temperature | -40 to +75 °C |
| Calibration Temperature Range | 23 ± 3 °C |
| Relative Humidity | Up to 95% at 40 °C (non-condensing) |
Accessories
| Parameter | Value |
|---|---|
| Torque Wrench Torque Setting | 1.35 N-m (12 in-lb) |
| Torque Wrench Connector Size | 3/4 in |
Performance
| Parameter | Value |
|---|---|
| Broadband Fixed Load Return Loss (DC to 2 GHz) | ≥ 52 dB (SWR ≤ 1.005) |
| Broadband Fixed Load Return Loss (2 to 18 GHz) | ≥ 40 dB (SWR ≤ 1.020) |
Kit Contents
| Parameter | Value |
|---|---|
| Included Calibration Standards | APC-7 open circuit, APC-7 short circuit, APC-7 broadband fixed load, APC-7 sliding load |
| Included Tools & Accessories | APC-7 connector gage, 3/4 in torque wrench, collet extractor, spare collets, spindle wrench |
Technology
RF & Microwave Calibration
Applications
Vector Network Analyzer (VNA) Calibration