455khz Ceramic Filter

Homebrew 455khz ceramic if filter so today after reading some more of soldersmoke global adventures in wireless electronics and feeling somewhat enthusiastic about advancing some projects i went out to my work bench and soldered up a test rig used to determine the motional parameters of crystals and in my case ceramics.

455khz ceramic filter.

Murata cfu455 f2 455khz bandpass ceramic filter 5 pc lot. Next in line filter your price. So i am tight hihi and feel that paying 300 for a cw filter for a radio that costs 800 new to be a step too far. So with that in mind i thought i would give building one a go.

Bgmicro electronics home power line filter 455khz ceramic filter by matsushira. A search of ebay for filter if 455 turns up units like the avx kyocera kbf455r which may be suitable for your project. Previous in line filter. What we want is only the 455khz signal.

Add to a new shopping list. The local oscillator is set to 100 455khz and when the mixer mix the rf 100mhz with the osc 100 455mhz the product will be 455khz and lots of other frequency products. Murata makes the cerafil r line of ceramic filters some of which are designed for use at 455khz and 450khz. 500 pcs crb455e 455e 455khz 455k 455 khz dip 2 ceramic filter.

It filter away almost everything except 455khz 10khz. And it is here the ceramic filter comes handy. 455khz ceramic resonators and smd caps cost pennys to the pound there are some good software tools out there to assist in the design etc etc.