Switchable microwave photonic filter between high Q bandpass filter and notch filter with flat passband based on phase modulation
![RF Filters - Bandpass Filter | Low-pass Filter | High-pass Filter | Band-stop Filter | Diplexers and Triplexers - Mini-Circuits RF Filters - Bandpass Filter | Low-pass Filter | High-pass Filter | Band-stop Filter | Diplexers and Triplexers - Mini-Circuits](https://www.minicircuits.com/WebStore/images/filters/filt-bandpass_copy.png)
RF Filters - Bandpass Filter | Low-pass Filter | High-pass Filter | Band-stop Filter | Diplexers and Triplexers - Mini-Circuits
Notch Filter Allows Single Pot Adjustment of Notch Frequency With Little Change In Its High Q Value | Electronics Forum (Circuits, Projects and Microcontrollers)
![The circuit diagram of high Q notch filter - Temperature_Control - Control_Circuit - Circuit Diagram - SeekIC.com The circuit diagram of high Q notch filter - Temperature_Control - Control_Circuit - Circuit Diagram - SeekIC.com](http://www.seekic.com/uploadfile/ic-circuit/20118932821328.gif)