1730–Series Checks and Adjustments
5–4
12. Step Attenuator
75W constant impedance attenuator variable from 0 to 40 dB in 1 dB
steps.
For example: A Wavetek 75803 Step Attenuator.
13. RF Bridge
Range, at least 46 dB return loss sensitivity, 50 kHz to 6 MHz.
For example: Wide Band Engineering Part No. A57TSCR. Also, a
75W precision Termination for use with RF Bridge, Wide Band
Engineering Part No. A56T75B.
14. 75Ω Terminators
Three required, one should be a feed-through type.
For example: End-line, 75Ω terminator (Tektronix Part No.
011–0102–00) and a feed-through 75Ω terminator (Tektronix Part No.
011–0103–02).
15. 75Ω Coaxial Cable
Three required.
For example: 42-inch RG59U (Tektronix Part No. 012–0159–00).
16. 10X, 75Ω Attenuator
For example: Tektronix Part No. 011–0061–00.
17. Alligator Clip to BNC Adapter
For example: Tektronix Part No. 013–0076–00.
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.
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