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Narrow-band 455 khz ceramic if filters for shortwave


Narrow-band 455 khz ceramic if filters for shortwave
Datasheet: muRata Ceramic Filters (869K PDF)
(View additional application document links below.)
Wide operating temperature: -20 ~ +80 C ( -4 ~ +176 F )
Encapsulated in shielded metal cans with grounding tabs.
The CFS filters have an exceptional 15 elements to produce the narrow pass-bands and steep skirts required for optimum Shortwave AM reception. Install in the intermediate or final IF stages for best performance.
The CFL filters have a wider pass-band to allow the broader bandwidth signals such as wide-AM, NBFM, digital, etc. to pass unrestricted. They perform best at the front-end of the IF strip. Install just after the mixer or between the 1st and 2nd IF stages to provide the intitial, critical out-of-band rejection, and a clean signal for further amplification.
These are high-performance filters designed for high-class communications receivers. The selectivity of a combination of CFL at the front-end and a narrow CFS at the back-end of a shortwave receiver IF amplifier will rival those high-end HAM / SWL / commercial radios.
Upgrade your HAM, SWL, Shortwave receiver.
Here's a few typical Application Schematics:
Example 1: Adding a Ceramic Filter to an IF Strip
Example 2: Replacing a Crystal Filter with a Ceramic Filter
Example 3: Ceramic Filter driving a Product Detector
Example 4: IF Strip Before and After
Miscellaneous application infomation:
muRata Piezo Filters Introduction (160K PDF)
Ceramic Filter History (670K PDF)
Notes: Each muRata Ceramic Filter is serialized.
Two shown, but winner gets 2 of each, 4 total.
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Untested, but NO JUNK or suspect parts
PCB parts are thru-hole, NO SMD/SMT
Manufacturers may vary from picture
(Narrow-band 455 khz ceramic if filters for shortwave was posted and is owned by: Eula James)
Contact: e-james@chicagopartsnetwork.com (Eula James) (actual email hidden)
Contact e-james@chicagopartsnetwork.com (Eula James) for more information.

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Narrow-band 455 khz ceramic if filters for shortwave