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Own a piece of early RF engineering history with this original set of Hewlett-Packard Spectrum Analyzer Application Notes (AN 150 series) from the early 1970s.
This lot includes Application Notes 150-2 through 150-5, covering pulsed RF, swept frequency measurements, noise analysis, and CRT/X-Y recording techniques—along with an original Pulsed RF slide rule calculator, a rare analog tool used for real-time RF calculations in the field.
Produced during the formative years of modern spectrum analysis, these manuals represent the era when Hewlett-Packard defined industry standards for RF and microwave measurement.
Included:
AN 150-2 — Spectrum Analysis: Pulsed RF (Nov 1971)
AN 150-3 — Swept Frequency Measurements (Aug 1972)
AN 150-4 — Noise Measurements (Jan 1973)
AN 150-5 — CRT Photography & X-Y Recording (May 1973)
Original Pulsed RF Calculator (slide rule style)
Original envelope for calculator
Condition Notes:
Manuals: Near Mint / Minimal handling wear
Covers clean with strong color retention
Pages crisp and complete
No writing or markings observed
Calculator: Excellent condition, fully intact
(See photos for full detail)
Early documentation from HP’s pioneering spectrum analyzer program
Designed for engineers working in RF, microwave, and signal analysis
Includes original analog calculation tool rarely found with manuals
Increasingly difficult to find as complete, clean sets
Perfect for:
Vintage test equipment collectors
RF / electrical engineers
HP / Keysight historians
Technical library or display piece
Carefully packed with rigid protection
Ships via USPS / UPS with tracking
Combined shipping available
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