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Tx Verify Power 10.23365031 7.68822384 10.01098885 7.755706806 10.19233719 10.16008226 10.15011668 10.10973245 7.69768496 10.21434703
As you can see from the above, it's nearly a perfect 2.5dB. My device output is 10dB yet I see 7.5 or 7.6 occasionally. Between each of the above readings, I have rotated the switch off of the position and then back on. If I perform the same test without rotating the switch, it never changes values. Do I have a bad switch? I have barely used this one.
- Keithley Applications
- Posts: 2849
- Joined: June 10th, 2010, 6:22 am
- Country: United States
1. Intermittent relay.
2. Intermittent cable connection.
Do you have any other SP4T or SP6T relays in the S46 that you could test?
Or do you have just the three relays you mention?
Cabling is critical at these frequencies. Check to be sure the SMA cables are securely fastened.
Do you have the load terminated? usually 50 ohms is a good terminator. If not, you may be seeing some reflections.
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