Loading...
Laser servo controller
![PI200 Laser servo controller PI200 Laser servo controller](https://assets.koheron.com/images/products/pi200/PI200.jpg?01072024141256)
![PI200 Laser servo controller PI200 Laser servo controller](https://assets.koheron.com/images/products/pi200/PI200.jpg?01072024141256)
![PI200 Laser servo controller frequency response PI200 Laser servo controller frequency response](https://assets.koheron.com/images/products/pi200/PI200_frequency-response.png?01072024141256)
![PI200 Laser servo controller user interface PI200 Laser servo controller user interface](https://assets.koheron.com/images/products/pi200/PI200_user-interface.png?01072024141256)
![PI200 Laser servo controller bloc diagram PI200 Laser servo controller bloc diagram](https://assets.koheron.com/images/products/pi200/PI200_bloc-diagram.png?01072024141256)
Koheron PI200 is a laser servo controller with PI² loop filter.
Quantity | Price |
---|
Resources
Specifications
PI200 | PI200-T | |
---|---|---|
Servo | ||
Control bandwidth | 5 MHz | 5 MHz |
Loop delay | 20 ns | 20 ns |
Slow integrator frequency range | 800 mHz to 800 Hz | 8 mHz to 8 Hz |
Fast integrator frequency range | 47 kHz to 4.7 MHz | 47 kHz to 4.7 MHz |
Output voltage noise(0 dB gain) | 5 nV/√Hz | 5 nV/√Hz |
Input voltage range | -2 V to 2 V | -2 V to 2 V |
Input impedance | 50 Ω | 50 Ω |
Output voltage range(50 Ω) | -2 V to 2 V | -2 V to 2 V |
Power supply | ||
Positive supply voltage | 4.75 V to 6 V | 4.75 V to 6 V |
Negative supply voltage | -6 V to -4.75 V | -6 V to -4.75 V |
Supply current per rail | 220 mA | 220 mA |
Quiescent current per rail | 45 mA | 45 mA |
Other | ||
Outside dimensions | 75 mm x 60 mm x 14 mm | 75 mm x 60 mm x 14 mm |
Weight | 40 g | 40 g |
Operating temperature | 0 °C to 50 °C | 0 °C to 50 °C |
Characterization
Input referred voltage noise
Input voltage noise measured for a gain of 10 between the input and the error signal output.
![PI200 Laser servo controller input referred voltage noise PI200 Laser servo controller input referred voltage noise](https://assets.koheron.com/images/products/pi200/PI200_input-referred-voltage-noise.png?01072024141256)
Transfer functions
Error signal
Bode plot of the transfer functions from the signal and modulation inputs to the error output:
![PI200 Laser servo controller error signal transfer function PI200 Laser servo controller error signal transfer function](https://assets.koheron.com/images/products/pi200/PI200_error-signal-transfer-function.png?01072024141256)
Fast output
Transfer functions between the input and the fast output. Fast integrator gain is set to its minimum value (47 kHz). Global gain is -20 dB and input signal is 150 mVpp.
![PI200 Laser servo controller fast output transfer function PI200 Laser servo controller fast output transfer function](https://assets.koheron.com/images/products/pi200/PI200_fast-output-transfer-function.png?01072024141256)