Description
HP 438A Operating & Service Manual Rev B 1970s Spectrum Analyzer
This is an original operating and service manual for the HP 438A spectrum analyzer, a classic and widely-respected test instrument from Hewlett-Packard's golden era of analog RF/microwave measurement equipment. The manual provides complete technical documentation covering operation, maintenance, troubleshooting, and service procedures for this essential laboratory instrument.
Specifications & What's Included
- Make: Hewlett-Packard (HP)
- Model: 438A Spectrum Analyzer
- Document Type: Operating & Service Manual (combined)
- Era: 1970s vintage test equipment documentation
- Format: Printed bound manual
- Language: English
- Condition: Used, all pages present and legible
- Content: Operating procedures, performance specifications, service and maintenance information, circuit descriptions, troubleshooting guide
Applications
The HP 438A is a benchtop spectrum analyzer designed for RF and microwave measurement applications across research, development, manufacturing quality control, and service environments. Technicians and engineers used this instrument to analyze frequency content, measure power spectral density, detect spurious signals, and characterize modulation characteristics across a broad frequency range. The 438A became a workhorse in telecommunications, radar, broadcast, and defense-related test labs throughout the 1970s and 1980s, and examples remain in active use today in vintage equipment collections, restoration projects, and specialized measurement setups where analog, wide-dynamic-range spectrum analysis is valued. This manual is essential for anyone operating, troubleshooting, or servicing an HP 438A analyzer, providing the original factory documentation required to understand the instrument's capabilities and perform calibration or repairs.
This HP 438A Operating & Service Manual is in used condition with normal signs of age consistent with a document that has been referenced in the field. The manual contains comprehensive operating and service information for the HP 438A spectrum analyzer, one of the classic test instruments from the 1970s era. Pages are legible and complete. Contact us with any questions about the condition or content before purchasing. Please note: We have multiple units in stock — yours may not be the one shown in the photos, however, it will be similar in condition and function.
Warranty Information
Additional Information
Brand: |
Hewlett-Packard |
Model: |
438A |
Type: |
Operating & Service Manual |
Document Type: |
Operating & Service Manual |
For Make/Model: |
HP 438A Spectrum Analyzer |
Equipment Category: |
Test Equipment - Spectrum Analyzer |
Language: |
English |
Format: |
Print |
Era: |
1970s |
Condition: |
Used |
SKU: |
37959 |
Seller Notes: |
Original manual for HP 438A spectrum analyzer |
Country/Region of Manufacture: |
United States |
Review Status: |
Auto-Approved (needs review) 2026-07-09 |
Condition Notes: |
HP 438A Operating & Service Manual in good used condition. All pages present and legible. Field reference document from 1970s spectrum analyzer era. |