MFC 20523
C-Band Bandpass Filter
Passband: 4.0–4.2 GHz

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20523 C-Band Bandpass Filter | 4000–4200 MHz | High Rejection Design
The 20523 C-band bandpass filter provides robust interference rejection for satellite downlink systems operating in the 4000–4200 MHz range. With up to 70 dB stopband attenuation from 3700 to 3900 MHz, it effectively blocks out 5G and other out-of-band signals. Its low insertion loss, excellent return loss, and precise group delay performance ensure optimal signal clarity in professional SATCOM deployments.
Key Features:
Passband: 4000–4200 MHz
Insertion Loss:
• ≤1.4 dB (4000–4005 MHz)
• ≤1.2 dB (4005–4200 MHz)
Return Loss: ≥20 dB
Group Delay Variation: 1.45 ns typ. (±0.5 MHz window)
Rejection:
• ≥70 dB from 3700–3900 MHz
• ≥60 dB from 3900–3980 MHz
• ≥30 dB from 3980–3985 MHz
• ≥25 dB @ 4230 MHz
Flanges: CPR-229G (input), CPR-229F (output)