

YCCC 6 Band Receive Bandpass filter

- This is a 6-band receive only filter designed to protect your receiver front end and provide 45dB reject at the stop bands
post 31 Mar 2025
RF Filter Links →
A home-built low-pass filter for 4m
To suppress unwanted harmonics, it is recommended to use an extra low-pass filter LPF with a 4-meter transmitter
A diode-switched band-pass filter
expensive than working with mechanical switch
A low pass filter circuit
these two filter circuits is a circuit that will only allow passage of those frequencies that are neither too high nor too low
An L/C audio bandpass filte
An L-C audio bandpass filter using cheap audio transformers
70
To suppress unwanted harmonics, it is recommended to use an extra low-pass filter LPF with a 4-meter transmitter
expensive than working with mechanical switch
these two filter circuits is a circuit that will only allow passage of those frequencies that are neither too high nor too low
An L-C audio bandpass filter using cheap audio transformers

PSION Greyline Clock PSION Greyline Clock v. 1.0 is a UTC/Local clock showing sunlight/darkness area on the world map