2022-09-13 12:51 Status: # PIN diodes Used as current-controlled resistors at RF and microwave frequencies. [ ^1]  Fig: A typical single-pole, double throw (SPDT) RF switch. Note the [LP](lowpass%20filter.md) and [HP](highpass%20filter.md) filters. --- # References [^1]: [Driving PIN Diodes: The Op-Amp Alternative | Analog Devices](https://www.analog.com/en/analog-dialogue/articles/driving-pin-diodes-with-op-amps.html)