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Watkins-Johnson WJ-9128-1/LO

SKU: WJ-9128-1/LOCategories: RF Frequency Converters
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The Watkins-Johnson WJ-9128-1/LO is a high-performance RF downconverter designed for demanding signal intelligence and communications applications. It translates high-frequency signals to a lower intermediate frequency (IF) for further processing. Featuring wide bandwidth, low noise, and excellent spurious signal rejection, it ensures accurate and reliable signal conversion. Ideal for use in spectrum monitoring, signal analysis, and electronic warfare systems, the WJ-9128-1/LO offers exceptional dynamic range and stability.

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Equipment info

The Watkins-Johnson WJ-9128-1/LO is a VXI local oscillator synthesizer and high-frequency tuner engineered for signal intelligence, communications, and electronic warfare applications. This downconverter translates high-frequency RF signals to lower intermediate frequencies for subsequent processing and analysis. The unit delivers high-performance RF conversion with wide bandwidth coverage and low-noise operation, enabling precise signal detection across demanding measurement scenarios.

– Technical Specifications

• Product Type: VXI LO Synthesizer / HF Tuner
• Manufacturer: Watkins-Johnson
• Model Number: WJ-9128-1/LO

– Key Features

• High-performance RF downconversion architecture
• Wide bandwidth operation
• Low noise figure
• Excellent spurious signal rejection
• High dynamic range capability
• High operational stability

– Typical Applications

• Signal Intelligence (SIGINT) systems
• Communications signal analysis
• Spectrum monitoring and surveillance
• Signal analysis and characterization
• Electronic Warfare (EW) system integration

– Compatibility & Integration

Designed for VXI chassis integration, the WJ-9128-1/LO suits rack-mounted test and measurement configurations in laboratory and field-deployed SIGINT platforms. Its architecture supports signal conversion workflows requiring low-noise, high-stability local oscillator performance and spurious rejection in congested RF environments.

MPN

WJ-9128-1/LO

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Product Condition & Availability
Watkins-Johnson WJ-9128-1/LO is in excellent working condition and has been thoroughly tested for performance and reliability. We offer both new and professionally refurbished options, depending on availability and customer preference.

 

Integrated Solutions & Deployment Support
Beyond individual products, Aumictech provides end-to-end solutions for manufacturing line deployment and test station setup. Our team can assist with system integration, configuration, and equipment selection tailored to your production requirements.

Trusted Industry Experience
With over a decade of experience, Aumictech is a recognized leader in RF and optical test equipment sales and services. All units are supported by our in-house calibration and repair facility based in Downingtown, PA, ensuring technical reliability and long-term value.

Customer Commitment
We’re committed to exceptional customer service, offering a 15-day return or replacement (ROR) policy for peace of mind. Our team is always available to assist with pre- and post-sale support.

Fast Shipping & Flexible Payments
We offer rapid global shipping through FedEx, UPS, and DHL, with most orders dispatched within 1–3 business days. Multiple secure payment options are available, including PayPal, ACH, wire transfers, and major credit cards.

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