The Keysight (formerly Agilent/HP) 8565E is a high-performance portable millimeter-wave spectrum analyzer offering continuous sweep and measurement capabilities from 30 Hz to 50 GHz using a single coaxial connection. It provides precision benchtop performance, including a precision timebase, exceptional phase noise, and fast digital resolution bandwidths down to 1 Hz, all within a MIL-T-28800 ruggedized enclosure designed to withstand harsh environmental conditions.
Specifications
General
| Parameter | Value |
|---|---|
| Interfaces | GPIB (IEEE-488) |
| Warm-up Time | 5 minutes (to meet specifications) |
Physical
| Parameter | Value |
|---|---|
| Power Supply | 115 VAC (+10/-25%, 47-440 Hz) / 230 VAC (+10/-15%, 47-66 Hz); 180 W max |
| Operating Temperature | -10 to +55 |
Frequency Specifications
| Parameter | Value |
|---|---|
| Frequency Range | 30 Hz to 50 GHz |
| Preselection | Preselected above 2.75 GHz |
| Sweep Capability | Continuous 30 Hz to 50 GHz sweep |
| Resolution Bandwidth (RBW) Range | 1 Hz to 2 MHz |
| Digital Resolution Bandwidths | 1, 3, 10, 30, and 100 Hz |
| Video Bandwidth (VBW) Range | 1 Hz to 3 MHz |
| Marker Frequency Counter Resolution | 1 Hz |
| Phase Noise (1 GHz Carrier) | -113 dBc/Hz @ 10 kHz offset |
| Internal Reference Frequency | 10 MHz |
Sweep Specifications
| Parameter | Value |
|---|---|
| Sweep Time Range (Span > 0 Hz) | 50 ms to 100 s |
| Sweep Time Range (Zero Span) | 50 µs to 100 s |
Amplitude Specifications
| Parameter | Value |
|---|---|
| Maximum Safe Input Power | +30 dBm (1 W) continuous |
| Input Attenuator Range | 0 to 70 dB in 10 dB steps |
Inputs and Outputs
| Parameter | Value |
|---|---|
| RF Input Connector | 2.4 mm (male) |
| RF Input Impedance | 50 Ω |
Signal Processing & Display
| Parameter | Value |
|---|---|
| Standard Measurements | Adjacent-channel power (ACP), channel power, carrier power, occupied bandwidth percentage, time-gated measurements |
Environmental and Compliance
| Parameter | Value |
|---|---|
| Ruggedness Standard | MIL-T-28800 Class 3 |
Amplitude
| Parameter | Value |
|---|---|
| Amplitude Units | dBm, dBmV, dBμV, Volts, Watts |
| Detector Modes | Normal, Peak, Negative Peak, Sample |
| Calibration Output Frequency | 300 MHz ±(300 MHz × frequency reference accuracy) |
| Calibration Output Level | -10 dBm ±0.3 dB |
Sweep
| Parameter | Value |
|---|---|
| Sweep Trigger Modes | Free run, Line, External, Video |
Inputs & Outputs
| Parameter | Value |
|---|---|
| 10 MHz Reference Output Level | 0 dBm nominal |
| External Reference Input Frequency | 10 MHz |
| External Reference Input Level | -10 to +10 dBm |
| IF Output Frequency | 310.7 MHz |
Performance
| Parameter | Value |
|---|---|
| Measurement Range | DANL to +30 dBm |
| Log Amplitude Scale | 1, 2, 5, 10, and 15 dB/div |
Frequency
| Parameter | Value |
|---|---|
| Frequency Reference Aging | < 1 × 10⁻⁷ / year |
| Marker Frequency Resolution | Span / 600 |
Display & Traces
| Parameter | Value |
|---|---|
| Number of Trace Points | 600 |
Sweep Capability
| Parameter | Value |
|---|---|
| Sweep Time Accuracy (Span > 0 Hz) | ±10% |
| Sweep Time Accuracy (Zero Span) | ±1% (sweep time ≥ 30 ms), ±0.1% (sweep time < 30 ms) |
Environmental
| Parameter | Value |
|---|---|
| Storage Temperature | -40 °C to +75 °C |
Technology
Superheterodyne Spectrum Analysis
Applications
Microwave and Millimeter-Wave Test, Digital Radio, Adjacent-Channel Power (ACP) Testing, Occupied Bandwidth, Phase Noise Measurements