# Active current control in RLG ## Description Voltage controlled constant current for Mirror based ring laser gyro. ## Project Details - **Owner:** tsreeram - **Created:** 11/22/2023 - **Last Updated:** 12/19/2023 - **Visibility:** Public - **Manufacturer Part Number:** BFR30 ## Key Components ### — [P-Channel MOSFET](https://www.flux.ai/jharwinbarrozo/p-channel-mosfet~ir.md) - Manufacturer Name: NXP Semiconductors - Part Type: Transistor - Datasheet URL: https://www.nxp.com/docs/en/data-sheet/BFR30-31.pdf - Manufacturer Part Number: BFR30 **Pins:** - DRAIN - GATE - SOURCE ### U1 — [LM2902PW](https://www.flux.ai/jecstronic/lm2902pw~8f1.md) - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Texas Instruments - Datasheet URL: https://www.ti.com/general/docs/suppproductinfo.tsp?distId=10&gotoUrl=http%253A%252F%252Fwww.ti.com%252Flit%252Fgpn%252Flm224 - Manufacturer Part Number: LM2902PW - Part Type: Operational Amplifier (OP-AMP) **Pins:** - -IN1 [pin 2] - -IN2 [pin 6] - -IN3 [pin 9] - -IN4 [pin 13] - +IN1 [pin 3] - +IN2 [pin 5] - +IN3 [pin 10] - +IN4 [pin 12] - GND [pin 11] - OUT1 [pin 1] - OUT2 [pin 7] - OUT3 [pin 8] - OUT4 [pin 14] - VCC [pin 4] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/tsreeram/active-current-control-in-rlg~7n](https://www.flux.ai/tsreeram/active-current-control-in-rlg~7n).* --- *Generated from [https://www.flux.ai/tsreeram/active-current-control-in-rlg~7n](https://www.flux.ai/tsreeram/active-current-control-in-rlg~7n)*