ice:servo-opls
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ice:servo-opls [2016/07/22 16:39] – [Current Controller and Offset Phase Lock Servo Board] Michael Radunsky | ice:servo-opls [2016/07/22 18:01] – [Understanding the Transfer Function] Michael Radunsky | ||
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Please read [[: | Please read [[: | ||
- | The guide to programming the ICE-CP1 through serial commands can be [[ice: | + | The guide to programming the ICE-CP1 through serial commands can be [[ice: |
===== Description ===== | ===== Description ===== | ||
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=====Understanding the Transfer Function===== | =====Understanding the Transfer Function===== | ||
- | < | + | < |
- | The charge pump in the OPLS outputs a signal proportional to the phase-error and the transfer function is as shown in < | + | The charge pump in the OPLS outputs a signal proportional to the phase-error and the transfer function is as shown in < |
=====Calculating Phase Noise ===== | =====Calculating Phase Noise ===== | ||
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</ | </ | ||
- | **Beat Note Input ** | + | **Beat Note Monitor |
+ | |||
+ | The Front Panel for the ICE-CP1 has four SMA or FC connectors. The second bottom-most connector is an SMA which is the digitized (i.e. square-wave) version of the input beat-note after a divide-by-2. For example, if the input beat note is 6 GHz, the monitor will have a 3 GHz output. | ||
- | The Front Panel for the ICE-CP1 has four SMA or FC connectors. The top connector (SMA for ICE-CP1-SMA, | ||
**External Reference Frequency Input ** | **External Reference Frequency Input ** | ||
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The Front Panel for the ICE-CP1 has four SMA or FC connectors. The second top-most connector is an SMA input for the external frequency reference. The input is AC coupled and 50 Ω terminated. Max power is 10 dBm. | The Front Panel for the ICE-CP1 has four SMA or FC connectors. The second top-most connector is an SMA input for the external frequency reference. The input is AC coupled and 50 Ω terminated. Max power is 10 dBm. | ||
- | **Beat Note Monitor | + | **Beat Note Input ** |
- | + | ||
- | The Front Panel for the ICE-CP1 has four SMA or FC connectors. The second bottom-most connector is an SMA which is the digitized (i.e. square-wave) version of the input beat-note after a divide-by-2. For example, if the input beat note is 6 GHz, the monitor will have a 3 GHz output. | + | |
+ | The Front Panel for the ICE-CP1 has four SMA or FC connectors. The top connector (SMA for ICE-CP1-SMA, | ||
**Laser Current ** | **Laser Current ** |
ice/servo-opls.txt · Last modified: 2021/08/26 15:26 by 127.0.0.1