The Golledge 21G7B Crystal Filter

GMCF-21 21G7B

21.4MHz 4-Pole Crystal Filter

  • 21.4MHz Centre Frequency
  • Four Pole
  • Two packages
  • Low insertion loss
Product Description

The four pole 21G7B crystal filter with centre frequency of 21.4MHz, and minimum bandwidth of±3.75kHz @ 3dB, comes in two 7.8 x 3.2mm footprint leaded packages. This filter features low in-band ripple specifications of 1.0dB, and insertion loss of only 2.5dB, making it ideal for applications that require minimum design-in impact. Tight attenuation band less than ±14kHz @ -40dB and good guaranteed attenuation characteristics mean uncompromised receiver performance.

RELATED PRODUCTS
GMCF-21 21G7A
Multiple Package Options

GMCF-21 21G7A

21.4MHz 2 pole crystal filter with 7.5kHz 3dB bandwidth
The 21G7A two pole crystal filter has bandwidth of ±3.75kHz @ 3dB around centre bandwidth of 21.4MHz. This two pole filter features low in-band ripple and insertion loss and comes encased within a single UM-1/3L package.
  • 21.4MHz
  • 2-pole
  • Low insertion loss
  • Low in-band ripple
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