RF Filters

Low Pass Elliptic (Cauer) Filter with 5 poles, -1dBm @ 8MHz

Simulation in LTSpice, values calculated using free filter calculator from Almost All Digital Electronics

Design of a 8 MHz Low Pass Filter
Design of a 8 MHz Low Pass Elliptic Cauer Filter with 5 Poles

Real Measurements:

LPF_8MHz

Below is a photo of the Vackar Oscillator with Low Pass Filter. The filter is located on the right side and has two red coils on air.

Vackar Oscillator witgh Low Pass Filter
Vackar Oscillator witgh Low Pass Filter

 

 

Leave a Reply

Your email address will not be published. Required fields are marked *

CapTitle * Time limit is exhausted. Please reload CAPTCHA.