455khz Ceramic Filter Pinout

Murata makes the cerafil r line of ceramic filters some of which are designed for use at 455khz and 450khz.

455khz ceramic filter pinout. The signal generator will sweep the frequency from 400khz to 500khz. At right shows a test rig for a 455khz ceramic filter. Ftr group h a o appca rucy fucto prat rcpe fature ceramic filter 10khz to 100mhz b p. Mouser offers inventory pricing datasheets for murata ceramic filters 455 khz signal conditioning.

There is some resistor to impedance. 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. Hi all i have a 455khz ceramic filter that i bought surplus for use in a receiver project.

The marking on top is lf h15s and then on the next line down 24. Previous in line filter. 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. Filters for am applications sfgcg sfpc cfucg 455khz along with the development of the am chip filter if filters for am fm radios have also been made smaller thinner and in a chip configuration for surface mounting.

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. Murata ceramic filters 455 khz signal conditioning are available at mouser electronics. This is one more example of murata electronics leadership in converting conventional electronic components to chip. At the input you have a signal generator and at the output you have rf voltmeter.

For example the sfpla450kd1a b0 has a 6db bandwidth of 10khz designed for use with am stereo receivers. My problem is although i have its specs it has 5 pins and i have neither a pinout nor an example circuit. Next in line filter your price. Add to a new shopping list.

So with that in mind i thought i would give building one a go. If you can t determine which pin is which i can take some photos of the radio that it was extracted from eurocb micro 2 maybe a schematic and the photos will get the answer. A search of ebay for filter if 455 turns up units like the avx kyocera kbf455r which may be suitable for your project. 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.

Bgmicro electronics home power line filter 455khz ceramic filter by matsushira.