Status: Keysight signal generator repair covers the full PSG, MXG/EXG, CXG, VXG, AWG, and pulse/noise generator range — current-production and supported legacy models alike. We repair and calibrate all of them.
Common Keysight Signal Generator Problems We Fix
- Output power low or dropping — output amplifier degradation
- Won’t lock / “unlevel” or “unlock” errors — synthesizer phase-lock loop failure
- Modulation quality off / EVM high — I/Q modulator imbalance or calibration drift
- Level unstable or inaccurate — ALC (automatic level control) loop failure
- Output level steps wrong — internal attenuator switching failure
- Won’t boot or load firmware — hard drive or SSD failure
- Overheats or shuts down — fan/cooling system failure
- Frequency drifts or won’t tune — YIG oscillator tuning degradation
Don’t see your exact problem? We handle all Keysight signal generator repair needs — email us and describe what’s happening.
Keysight Signal Generator Models We Repair
| Model | Description | Service |
|---|---|---|
| Keysight E8257D | PSG analog signal generator, up to 67 GHz | Request Repair |
| Keysight E8267D | PSG vector signal generator, up to 44 GHz | Request Repair |
| Keysight E8663D | PSG signal generator | Request Repair |
| Keysight N5183B | MXG microwave signal generator, up to 40 GHz | Request Repair |
| Keysight N5182B | MXG vector signal generator, up to 6 GHz | Request Repair |
| Keysight N5181B | MXG analog signal generator | Request Repair |
| Keysight N5173B | EXG microwave signal generator | Request Repair |
| Keysight N5172B | EXG vector signal generator, up to 6 GHz | Request Repair |
| Keysight N5171B | EXG analog signal generator | Request Repair |
| Keysight N5166B | CXG vector signal generator | Request Repair |
| Keysight N5191A | Signal generator | Request Repair |
| Keysight N5193A | Signal generator | Request Repair |
| Keysight N9310A | RF signal generator, 9 kHz–3 GHz | Request Repair |
| Keysight M9384B | VXG microwave vector signal generator | Request Repair |
| Keysight M9383B | VXG microwave signal generator | Request Repair |
| Keysight M8196A | AWG, 92 GSa/s | Request Repair |
| Keysight M8195A | AWG, 65 GSa/s | Request Repair |
| Keysight M8195S | AWG system | Request Repair |
| Keysight M8194A | AWG, 120 GSa/s | Request Repair |
| Keysight M8190A | AWG, 12 GSa/s, 14-bit | Request Repair |
| Keysight 81134A | Pulse/pattern generator, 3.35 GHz, 2 ch | Request Repair |
| Keysight 81133A | Pulse/pattern generator, 3.35 GHz, 1 ch | Request Repair |
| Keysight 81160A | Pulse/function/noise generator | Request Repair |
| Keysight 81150A | Pulse/function/noise generator | Request Repair |
How to Send In Your Keysight Signal Generator
- Tell us what’s wrong. Email us or submit a service request with your model and the problem.
- Ship it to us. Send your instrument from anywhere in the US — we provide prepaid shipping labels on request.
- Get a firm quote. We evaluate it and send a no-obligation repair quote. No work is done until you approve.
Email: info@junecompany.com | All repairs include NIST-traceable calibration and a 90-day parts-and-labor warranty.
Frequently Asked Questions
How much does Keysight signal generator repair cost?
Repairs start with a flat evaluation fee that’s credited toward your repair cost. After we diagnose the instrument, you get a firm quote before any work begins — no surprises.
How long does the repair take?
Most signal generator repairs are finished within 5–10 business days of arrival, with expedited turnaround available if you need it back fast. High-frequency microwave work can run longer — we’ll tell you up front with the quote.
My output power is low or the source won’t level — can you fix it?
Yes. Output amplifier degradation and ALC loop failures are among the most common signal-generator faults, and they’re repairable at the component level, then verified against our reference standards.
I’m getting “unlock” or “unlevel” errors — is that repairable?
Yes. Synthesizer phase-lock loop failures that throw unlock errors are a routine repair, restored for stable, locked output across the frequency range.
My modulation quality or EVM is off — can you fix the I/Q modulator?
Yes. I/Q modulator imbalance and calibration drift on the vector models are repairable and recalibrated so modulation accuracy returns to spec.
My frequency drifts or won’t tune across the band — can you fix it?
Yes. YIG oscillator tuning degradation is a common cause and it’s repairable, restored for accurate tuning across the full range.
My readings are drifting or out of spec — can you recalibrate it?
Yes. We recalibrate frequency, level, and modulation accuracy against our reference standards and return the instrument with NIST-traceable results on a certificate.
What if my exact model isn’t listed?
We service the full range — PSG, MXG, EXG, CXG, VXG, the M8190/M819x AWGs, and the 811xx pulse/noise generators. If your model isn’t in the table, pick the closest match or email us — the process is the same.
Who uses Keysight signal generators?
Wireless communications test labs, 5G NR development teams, radar and electronic-warfare simulation groups, semiconductor device characterization engineers, high-speed serial test teams, and R&D laboratories rely on Keysight signal generators as their reference sources, and on independent Keysight signal generator repair to keep them in service. For full manufacturer specifications, see Keysight’s PSG signal generators page.
