The Keysight (formerly Agilent HP) 86205A is a high-directivity 50 Ω RF bridge designed for precise reflection measurements and signal-leveling applications. It features an exceptionally wide frequency range of 300 kHz to 6 GHz, very low insertion loss, and a highly flat coupling factor, making it an ideal companion for vector network analyzers (such as the ENA series), scalar network analyzers, and spectrum analyzers.
Specifications
General
| Parameter | Value |
|---|---|
| Interfaces | None (passive RF device) |
Physical
| Parameter | Value |
|---|---|
| Power Supply | None (passive, requires no external power) |
| Operating Temperature | 0 to 55 °C |
| Dimensions (W×H×D) | 93 mm × 26 mm × 142 mm |
| Weight | 0.57 kg |
| Shipping Weight | 1.8 kg |
RF Performance Specifications
| Parameter | Value |
|---|---|
| Frequency Range | 300 kHz to 6 GHz |
| Nominal Impedance | 50 Ω |
| Directivity (Minimum) | 40 dB (300 kHz to 2 GHz), 30 dB (2 GHz to 3 GHz), 20 dB (3 GHz to 5 GHz), 16 dB (5 GHz to 6 GHz) |
| Insertion Loss (Input to Test Port) | 1.5 dB + 0.1 dB/GHz nominal |
| Coupling Factor | 16.0 dB + 0.15 dB/GHz nominal |
| Coupling Flatness | ±0.2 dB (300 kHz to 3 GHz), ±0.4 dB (3 GHz to 6 GHz) |
Physical & Mechanical Characteristics
| Parameter | Value |
|---|---|
| RF Input Connector Type | Type-N |
| RF Input Connector Gender | Female |
| RF Output Connector Type | Type-N |
| RF Output Connector Gender | Female |
| Test Port Connector Type | Type-N |
| Test Port Connector Gender | Female |
Compatibility & Metrology
| Parameter | Value |
|---|---|
| Compatible Vector Network Analyzers | E5061/71 family (ENA series) and other RF VNAs |
Performance
| Parameter | Value |
|---|---|
| Maximum Input Power | +25 dBm |
| Input Port Match | ≥ 23 dB (300 kHz to 2 GHz), ≥ 20 dB (2 to 3 GHz), ≥ 16 dB (3 to 5 GHz), ≥ 14 dB (5 to 6 GHz) |
| Coupled Port Match | ≥ 20 dB (300 kHz to 2 GHz), ≥ 18 dB (2 to 3 GHz), ≥ 16 dB (3 to 5 GHz), ≥ 14 dB (5 to 6 GHz) |
| Test Port Match | ≥ 25 dB (300 kHz to 2 GHz), ≥ 20 dB (2 to 3 GHz), ≥ 18 dB (3 to 5 GHz), ≥ 16 dB (5 to 6 GHz) |
Electrical Ratings
| Parameter | Value |
|---|---|
| Maximum DC Voltage | 30 V |
Environmental
| Parameter | Value |
|---|---|
| Storage Temperature Range | -40 °C to +75 °C |
Technology
Directional Bridge
Applications
RF reflection measurements and signal-leveling