Willt
Member level 5
Hi friends,
I'm designing a bandpass filter by cascoding a LPF and a HPF.
For LPF, fc=2MHz. For HPF, fc = 257MHz.
After cascading them, a bandpass filter is formed with LOWER fc=2MHz and UPPER fc=234MHz. So there is drop in the UPPER fc. Why is this so??
Any comment would be very appreciated.
Will
I'm designing a bandpass filter by cascoding a LPF and a HPF.
For LPF, fc=2MHz. For HPF, fc = 257MHz.
After cascading them, a bandpass filter is formed with LOWER fc=2MHz and UPPER fc=234MHz. So there is drop in the UPPER fc. Why is this so??
Any comment would be very appreciated.
Will