Hello,
I am using a E4422B ESG series signal generator. I am fairly new to this instrument, so please excuse my basic questions.
1. Is the modulation signal and the RF carrier derived from the same clock source? When I plot an RF carrier of say 100kHz and a modulation signal of 10kHz (via LFout ) on a scope, I can see a slow "walk" between the 2 signals which leads me to believe there is a small frequency offset. Is this typical? If so, could you tell me how I can get rid of this?
2. Can I derive both the RF carrier and the modulation from an external clock source?
Edited by: rashwin81 on Feb 1, 2015 6:59 PM
I am using a E4422B ESG series signal generator. I am fairly new to this instrument, so please excuse my basic questions.
1. Is the modulation signal and the RF carrier derived from the same clock source? When I plot an RF carrier of say 100kHz and a modulation signal of 10kHz (via LFout ) on a scope, I can see a slow "walk" between the 2 signals which leads me to believe there is a small frequency offset. Is this typical? If so, could you tell me how I can get rid of this?
2. Can I derive both the RF carrier and the modulation from an external clock source?
Edited by: rashwin81 on Feb 1, 2015 6:59 PM
I have an 4432B and it's same thing for me, RF and modulation are not synchronized together. But with an external generator like 33220A (with PLL option), I synchronized both generators with same 10MHz source, modulation injected to EXT1 connector of E4432B.
Regards
Yves QC,Canada