Hewlett Packard 5105A Frequency Synthesizer Vintage/Rare

Hewlett Packard 5105A Frequency Synthesizer Vintage/Rare. Very good condition for its age (early 1960’s), cosmetically complete, pushbuttons operate, knobs turn – Museum/Display Quality. Unit powers on but output is intermittent/not present. Unit(s) will require some restoration/repairs. This is one of the first easily programmable precision frequency sources available.

 

Product Overview:

The Hewlett Packard 5105A Frequency Synthesizer is a vintage precision instrument renowned for its reliable frequency generation and robust performance. Originally designed for high-end RF and microwave test applications, this classic synthesizer delivers stable, accurate signals that continue to be valued by engineers, collectors, and enthusiasts of legacy test equipment.

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Key Specifications:

• Frequency Range: 10Hz – 500MHz
• Frequency Resolution: .1Hz
• Stability: Excellent long-term frequency stability and low phase noise
• Output: Accurate, low-distortion signal generation
• Control Interface: Front panel controls and/or remote control via standard interfaces
• Display: Rows and columns of numbered pushbuttons
• Power Requirements: 120/220 V.A.C. 50/60Hz

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Key Features:

• Precision Frequency Generation:
  • Delivers highly accurate, stable frequencies suitable for calibration and measurement applications.
• Robust Vintage Design:
  • Built with the renowned engineering quality of Hewlett Packard, offering enduring reliability.
• Versatile Applications:
  •  RF and microwave testing, system calibration, and as a collector’s piece in vintage instrumentation collections.
• User-Friendly Operation:
  • Intuitive front panel pushbuttons and analog knobs.
• Legacy Integration:
  • Compatible with vintage test setups and modern measurement equipment through standard interfacing options.

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Applications:

• RF & Microwave Testing:
  • Served as a reference frequency source in calibration and test laboratories for more than 20 years after introduction.
• Component Characterization:
  • Used in evaluating the performance of RF components and circuits for early RF development.
• Educational & Research:
  • Can easily demonstrate classic frequency synthesis techniques in academic settings.
• Vintage Equipment Restoration:
  • Excellent for any technical Museum, Academic setting or personal/hobbyist project

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What’s Included:

• 1 x Hewlett Packard 5105A Frequency Synthesizer Main Unit

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Why Choose the HP 5105A Frequency Synthesizer?

The HP 5105A Frequency Synthesizer combines timeless precision with durable construction, making it a coveted instrument for both practical test applications and vintage equipment collections, electronics museum. Its proven performance in generating stable, accurate frequencies ensures that it remains an invaluable tool for professionals and enthusiasts alike. This item would also make an interesting movie prop.