High Purity Synthesized CW RF Signal Generator HP Agilent 83712B 10 MHz 20 GHz

The pre-owned Agilent 83712B pairs fully synthesized frequency accuracy with analog-sweep convenience, spanning 10 MHz to 20 GHz in a single 3-U chassis. One-kilohertz tuning steps—or 1 Hz with the fractional-N Option 008—let you drop crystal-clean local oscillators or execute fine scalar sweeps, while –80 dBc/Hz phase-noise performance preserves mixer and noise-figure margins.

Fitted with the 110 dB step attenuator, the generator offers a calibrated +13 dBm to –110 dBm span for PA compression, receiver sensitivity and EMC tasks, and harmonics stay at least 55 dB below the carrier to minimize spurs. Fast band-to-band switching, SCPI/LAN automation and ISO-17025 calibration allow the 83712B to slot directly into R&D or production benches—delivering Keysight-grade signal purity and long-term serviceability at a fraction of new-instrument cost.

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Why Choose TESTRO?

1. Laboratory-Verified Performance

   Every unit ships with an ISO/IEC 17025 calibration certificate bearing the TESTRO Certified seal, so you know the specifications are not just claimed—they’re proven.

2. Total Transparency

   High-resolution teardown photos and a live video test session let you inspect seals, modules, and real-time performance metrics before you pay.

3. Real Warranty, Real People

   One-year machine warranty, with our engineering team standing by on business days to provide remote assistance for any software or hardware issues.

4. Global Delivery, Built-In Protection

   DHL lanes—arriving at most destinations in just 3–5 days.

5. Flexible, Modern Payments

   Choose traditional T/T or wire transfer, credit card.

6. Open-Door Assurance

   Visit our Shenzhen facility, walk the refurbishment line, and see your equipment on the bench before it leaves our dock.

Founded in 2017 and headquartered in Shenzhen, TESTRO Electronics LLC focuses on the secondary sale and flexible rental of high-end electronic test instruments. The team counts 30 employees and operates a 1,500 m² warehouse and inspection center in Qianhai, Shenzhen.

Industry Background & Resource Sourcing

Over the past two decades, rapid advances in China’s radio-frequency sector have shortened production-line refresh cycles to roughly 3–5 years. Leveraging long-term partnerships with equipment OEMs, research institutes, and calibration labs, TESTRO acquires traceable, well-maintained decommissioned or replacement units. Every instrument undergoes a five-step technical check and third-party calibration before entering stock, ensuring reliable performance data.

Core Services & Delivery Process