The Keysight Agilent HP 8511A is a 45 MHz to 26.5 GHz four-channel frequency converter designed for use with the 8510C Network Analyzer. It operates as a general-purpose magnitude/phase receiver, featuring four separate RF-to-IF converters with precision 3.5 mm connectors, making it ideal for multiport device, subsystem, and antenna measurements.
Specifications
General
| Parameter | Value |
|---|---|
| Interfaces | Test Set Interconnect, 4 x IF Output (BNC) |
Physical
| Parameter | Value |
|---|---|
| Power Supply | 100 / 120 / 220 / 240 V AC ±10%, 47 to 66 Hz |
| Operating Temperature | 0 to 55 °C |
| Dimensions (W×H×D) | 425 mm × 133 mm × 508 mm |
| Weight | 15 |
RF Input Specifications
| Parameter | Value |
|---|---|
| RF Frequency Range | 45 MHz to 26.5 GHz |
| RF Input Impedance | 50 Ω nominal |
| RF Input Connector Type | Precision 3.5 mm (female) |
| Number of RF Channels | 4 separate RF-to-IF converters |
Transfer & Distortion Characteristics
| Parameter | Value |
|---|---|
| Magnitude Slope | ±0.08 dB/GHz |
| Dynamic Range (0.045 to 8 GHz) | 105 dB |
| Dynamic Range (8 to 20 GHz) | 105 dB |
| Dynamic Range (20 to 26.5 GHz) | 98 dB |
| High Level Noise (Magnitude) | 0.012 dBrms / 0.02 dBrms / 0.04 dBrms (frequency dependent) |
| High Level Noise (Phase) | 0.1° rms / 0.15° rms / 0.25° rms (frequency dependent) |
| Low Level Noise | -95 dBm / -90 dBm / -85 dBm (frequency dependent) |
Control & System Integration
| Parameter | Value |
|---|---|
| Compatible Mainframe System | Agilent/HP 8510C Network Analyzer |
| System Integration Role | Four-channel receiver/signal processor (1 channel for phase-lock, 3 channels for measurements) |
Outputs
| Parameter | Value |
|---|---|
| IF Output Frequency | 20 MHz |
| IF Output Connectors | 4 x BNC (female) |
| Number of IF Output Channels | 4 (a1, a2, b1, b2) |
RF Inputs
| Parameter | Value |
|---|---|
| Number of RF Input Ports | 4 (a1, a2, b1, b2) |
| Input Port Return Loss (0.045 to 8 GHz) | > 14 dB |
| Input Port Return Loss (8 to 20 GHz) | > 10 dB |
| Input Port Return Loss (20 to 26.5 GHz) | > 8 dB |
| Maximum Safe RF Input Power | +20 dBm |
| Maximum DC Input Voltage | 0 V |
Rear Panel Connections
| Parameter | Value |
|---|---|
| LO Input Connector | 3.5 mm (female), rear panel |
| Test Set Interconnect Connector | 25-pin D-sub |
Technology
Superheterodyne Frequency Conversion
Applications
Four-channel receiver and signal processor for network analysis