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This Agilent E8254A PSG-A Series Performance Signal Generator is sold for spares or repair. The unit powers on and the display is operational, but two faults are reported during the self-test routine: Test 1000 (Reference Board Power Supply) and Test 1001 (10 MHz Test) both return FAILED. All other self-test sections — including ALC Board, Analog ModGen, CPU Board, FracN, Lowband, MID Board, Sampler Board, and YIG Driver — return PASSED results, indicating strong recovery potential for a competent RF engineer.

The unit is fitted with the following installed options:
• Option 1E1 — Output step attenuator, extending amplitude range to −135 dBm
• Option 1EA — High RF output power (+14 dBm at 40 GHz, +20 dBm at 20 GHz)
• Option UNJ — Improved close-in SSB phase noise

Instrument information as displayed: Firmware C.01.24, total hours on 24,234.7, power cycles 375, attenuator cycles 16,510.

This listing includes the Agilent E8254A signal generator unit only.

The Agilent E8254A is a PSG-A Series Performance Signal Generator covering 250 kHz to 40 GHz, designed for accurate characterisation of RF and microwave components and systems — eliminating the need for an external amplifier when testing high-power devices. It combines wide frequency coverage with analogue modulation capabilities (AM, FM, ΦM, and pulse), dual internal modulation generators, and digital list and step sweep functions with user flatness correction.

Key features include:
- 250 kHz to 40 GHz frequency range with 0.01 Hz frequency resolution
- High RF output power with Option 1EA: up to +14 dBm at 40 GHz, +20 dBm at 20 GHz
- Output step attenuator with Option 1E1: extended range to −135 dBm
- Improved close-in SSB phase noise with Option UNJ: −98 dBc/Hz at 1 kHz offset at 10 GHz carrier
- Dual internal modulation generators supporting sine, square, triangle, ramp, Gaussian noise, uniform noise, swept sine, and dual sine waveforms up to 1 MHz
- Internal pulse generator with up to 14 MHz max PRF
- List and step sweep with user flatness correction (up to 1601 points per table, up to 10,000 tables)
- Frequency extension to 110 GHz possible via Agilent 83550 Series millimetre-wave modules
- Standard interfaces: GPIB (IEEE-488.2), RS-232, 10Base-T LAN
- Precision 2.4 mm male RF output connector (50 Ω)

Frequency Range: 250 kHz to 40 GHz
Frequency Resolution: 0.01 Hz
Max RF Output Power (Opt. 1EA): +14 dBm at 40 GHz / +20 dBm at 20 GHz
Amplitude Resolution: 0.01 dB
Level Accuracy: ±0.7 dB (typical)
SSB Phase Noise (Opt. UNJ): −98 dBc/Hz at 1 kHz offset (10 GHz carrier)
Internal Pulse Generator Max PRF: 14 MHz
Power Requirements: 100/115 V or 230/240 V, 50/60 Hz, 300 W max
Dimensions (H × W × D): 7" × 16.8" × 19.6"
Weight: approx. 48 lb (21.8 kg)

Agilent E8254A datasheet: Download PDF