455khz Ceramic Filter Pinout

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455khz ceramic filter pinout.

The document has moved here. So with that in mind i thought i would give building one a go. Collins mechanical filter 455khz usb 3 3khz. It filter away almost everything except 455khz 10khz.

A search of ebay for filter if 455 turns up units like the avx kyocera kbf455r which may be suitable for your project. Murata ceramic filters 455 khz signal conditioning are available at mouser electronics. And it is here the ceramic filter comes handy. Murata makes the cerafil r line of ceramic filters some of which are designed for use at 455khz and 450khz.

Lt455hw cfw455h murata equivalent filter 6 khz total bw 455khz 5 leg h148. What we want is only the 455khz signal. The types the principles and the features of the filters which are currently used are shown in table 1. 10pcs cfwm455f w55f murata ceramic filter 455khz 6khz pin3 2.

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. 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. Ftr group h a o appca rucy fucto prat rcpe fature ceramic filter 10khz to 100mhz b p. 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.

Mouser offers inventory pricing datasheets for murata ceramic filters 455 khz signal conditioning. The filters have different names depending on the structures and the materials used. I salvaged a 455khz ceramic filter from a cb radio but i cant find any datasheets or relevant info on the internet some photos. Lt455fu cfu455f murata equiv filter 12 khz total bw 455khz 3 leg.

For example the sfpla450kd1a b0 has a 6db bandwidth of 10khz designed for use with am stereo receivers. Lt455eu cfu455e murata equiv filter 15 khz total bw 455khz 3 leg h149. 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.