The Keysight (Agilent/HP) 8561EC is a portable, color-display RF spectrum analyzer covering 30 Hz to 6.5 GHz with synthesized tuning. It provides fast 1–100 Hz digital resolution bandwidths, precision timebase with 1 Hz counter resolution, and built‑in time‑gated analysis for burst, pulsed, and time‑varying signals. External harmonic and preselected mixer support enables economical millimeter‑wave measurements.
Specifications
General
| Parameter | Value |
|---|---|
| Interfaces | GPIB (IEEE‑488) |
| Display | Color display |
| Series | 8560 EC Series |
RF Frequency and Tuning
| Parameter | Value |
|---|---|
| Frequency range | 9 kHz to 6.5 GHz |
| Synthesized tuning | Yes |
Sweep and Span
| Parameter | Value |
|---|---|
| Time‑gated signal analysis | Standard |
| Zero‑span mode | Supported |
| Suited for pulsed RF | Yes (time‑gated) |
| Suited for TDMA/interleaved/burst signals | Yes (time‑gated) |
External Mixing / Frequency Extension (Optional)
| Parameter | Value |
|---|---|
| External harmonic mixer support | Agilent 11970 series |
| External preselected mixer support | Agilent 11974 series |
| Millimeter‑wave extension | Via external 11970/11974 mixers |
Display and User Interface
| Parameter | Value |
|---|---|
| Display type | Color display |
Options and Configurations
| Parameter | Value |
|---|---|
| Time‑gated measurements | Standard capability |
Physical
| Parameter | Value |
|---|---|
| Form factor | Portable spectrum analyzer |