The HP 8551 Spectrum Analyzer
The HP 851/8551 Microwave Spectrum Analyzer
![hp8551_work](../../pict/timeline/art_fong/hp8551_work.jpg) |
The HP 851B/8551B Spectrum Analyzer
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Inside View of the HP 8551 Microwave Spectrum Analyzer
![hp8551_in1](../../pict/timeline/art_fong/hp8551_in1.jpg) |
Top-inside View of the HP 8551B Spectrum Analyzer
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![hp8551_in2](../../pict/timeline/art_fong/hp8551_in2.jpg) |
Bottom-inside View of the HP 8551B Spectrum Analyzer
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The HP 851 - IF and Display
![hp851_in1](../../pict/timeline/art_fong/hp851_in1.jpg) |
Top-inside View of the HP 851B - IF, Display Section
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Art Fong Using the HP 8551A Microwave Spectrum Analyzer
in the June 1964 Issue of MEASURE Magazine
Page 12 of June 1964 issue of MEASURE Magazine - Courtesy of the Hewlett Packard Company |
![meas64_06_p12](../../pict/timeline/art_fong/meas_64-06_p12.jpg) |
First Appearance of the HP 8551A Microwave Spectrum Analyzer
in the 1965 Catalog
Page 216 of the 1965 Catalog |
![hp8551a_cat65_01](../../pict/timeline/art_fong/8551_cat65_01.jpg) |
Page 217 of the 1965 Catalog |
![hp8551_cat65_02](../../pict/timeline/art_fong/8551_cat65_02.jpg) |
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