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Section I:
General
This manual contains information required to operate, test, and service the Hewlett-Packard R85026A
detector. Figure 1-1 shows the instrument and the accessories supplied with it.
INSTRUMENTS COVERED BY THIS MANUAL
Each HP R85026A detector has a unique serial number. This manual applies to instruments with serial
number 100 and above.
A detector manufactured after the printing of this manual may be different from the detector documented
in this manual. The manual for newer instruments is accompanied by a yellow manual change supplement
that contains serial-specific change information explaining how to adapt the manual for the newer
instrument. In addition to change information, the supplement may contain replacement information that
applies to all instruments, regardless of their serial number.
To keep this manual as current as possible, periodically request the latest manual change supplement.
The supplement for this manual is keyed to its print date and part number, which appear on the title page.
Complimentary copies of the supplement are available from your local Hewlett-Packard office.
UESeRIFTION
The HP R85026A detector is designed to be used with the HP 8757A scalar network analyzer {it is NOT
compatible with the HP 8755C or 8756A scalar network analyzer). The HP R85026A enables the analyzer
to measure either modulated (AC) or unmodulated (DC) test signals.
The HP R85026A detects 26.5 to 40 GHz RF signals at levels from -50 to +10 dBm (AC detection). The
use of three HP R85026A detectors, and two waveguide directional couplers, enables simultaneous
(amplitude only) transmission and reflection measurements via the analyzer CRT.
Table 1-1 lists the HP R85026A specifications.
HP R85026A
General Information
1-1
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