Tektronix 1740A Series, Руководство пользователя

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Performance Verification
4–4
1740A/1750A/1760 – Series Service Manual
14. RF Bridge
Range: At least 46 dB return loss sensitivity, 50 kHz to 10 MHz.
For example:
Wide Band Engineering Part No. A57TLSCR, and high-frequency termina-
tor A56T75B.
15. 75 Precision High-Frequency End-Line Termination
0.25% dc accuracy, with return loss of 42 dB or greater up to 30 MHz (for
use with the RF Bridge).
For example:
Wide Band Engineering termination model A56T75B.
16. 75 Terminators
Six required; two should be end-line, and four should be feed-through type.
For example:
End-line, 75
terminator (Tektronix Part No. 011-0102-00). Feed-through,
75 terminator (Tektronix Part No. 011-0103-02).
17. Coaxial Cables
Three 75 cables required, one precision (1%) 50 cable required.
For example:
75
– 42-inch (Tektronix Part No. 012-0159-00).
50 – 36-inch 1% precision (Tektronix Part No. 012-0482-00).
18. Dual Input Coupler
Matched BNC cable-T for making phase comparisons between two inputs.
Matched length of the two arms within
0.1 inch.
For example:
Tektronix Part No. 067-0525-02.
Auxiliary Equipment
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