MFC 7983D C-Band Radar Elimination Interference Filter

MFC Microwave Filter

MFC 7983D C-Band Radar Elimination Interference Filter

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  • Filters 5.800 to 6.725 GHz
  • Less than 1.0 dB Loss
  • Exceptional for Radar Signal Rejection

  • Description
  • Technical Specifications
  • Support Documents

MFC 7983D C-Band Radar Elimination Interference Filter

MFC 7893D C-Band Radar Elimination Filter offers extremely low loss, typically less than 1.0 dB max on receive signals.

Historically, the solution for eliminating out-of-band interference (ex. – RADAR) has been to install a highly-selective bandpass filter. Specifically, a filter with a passband corresponding to that region’s standard footprint (ex. – 3700-4200 MHz, 3400-4200 MHz, etc.).

However, not long ago, WiMAX began operating in the (3400-3800) MHz frequency band in many regions around the world. This common band operation causes in-band interference at C-band receive sites that cannot be eliminated with “standard footprint” BPFs.

Example: WiMAX – operating at 3700 MHz – causes interference at a C-band receive site (where the footprint is 3700-4200 MHz). A standard footprint BPF will pass all frequencies from 3700 4200 MHz (ex. – including the interfering WiMAX signal).

Solution: Install an MFC model 7893D-3780/4200 bandpass filter that will provide 30 dB rejection at 3700 MHz and will pass all remaining C-band from (3780-4200) MHz.

Features

  • Low Insertion Loss – Typically less than 1 dB
  • Also Rejects Transmit Band (5800-6725 MHz) >70 dB Typ – Eliminating the need for a separate TRF
  • Low Group Delay Variation – 8 nS Max
  • Compact Size – For easy installation on single or multi-feed LNBs
  • Superior VSWR Performance – 1.5:1 Max


Model 7893D-3400/4200
Passband (MHz) 3400-4200
Lower Rejection (Min./Typ. dB) 25/30 dB @ 3300 MHz
Upper Rejection (Min./Typ. dB) 25/30 dB @ 4300 MHz
Model 11383-3550/4150
Passband (MHz) 3550-4150
Lower Rejection (Min./Typ. dB) 25/-- dB @ 3500 MHz
Upper Rejection (Min./Typ. dB) 25/-- dB @ 4200 MHz
Model 11383
Passband (MHz) 3600-4200
Lower Rejection (Min./Typ. dB) --/25 dB @ 3550 MHz
--/45 dB @ 3500 MHz
Upper Rejection (Min./Typ. dB) --/25 dB @ 4250 MHz
70/-- dB @ 4400 MHz
Model 11383-3625/4200
Passband (MHz) 3625-4200
Lower Rejection (Min./Typ. dB) 10/13 dB @ 3600 MHz
25/-- dB @ 3575 MHz
-- /40 dB @ 3550 MHz
Upper Rejection (Min./Typ. dB) --/20 dB @ 4285 MHz
--/40 dB @ 4325 MHz
60/-- dB @ 4400 MHz
Model 7893D-3665/4165
Passband (MHz) 3665-4165
Lower Rejection (Min./Typ. dB) 25/30 dB @ 3615 MHz
60/65 dB @ 3515 MHz
70/80 dB @ 3465 MHz
Upper Rejection (Min./Typ. dB) 25/30 dB @ 4215 MHz
60/70 dB @ 4315 MHz
70/80 dB @ 4365 MHz
Model 7893D
Passband (MHz) 3700-4200
Lower Rejection (Min./Typ. dB) 25/-- dB @ 3650 MHz
60/70 dB @ 3550 MHz
70/80 dB @ 3500 MHz
Upper Rejection (Min./Typ. dB) 25/-- dB @ 4250 MHz
60/70 dB @ 4350 MHz
70/80 dB @ 4400 MHz
Model 7893D-3740/4160
Passband (MHz) 3740-4160
Lower Rejection (Min./Typ. dB) --/25 dB @ 3690 MHz
--/40 dB @ 3650 MHz
Upper Rejection (Min./Typ. dB) --/25 dB @ 4210 MHz
--/40 dB @ 4250 MHz
Model 7893D-3780/4200
Passband (MHz) 3780-4200
Lower Rejection (Min./Typ. dB) 10/-- dB @ 3725 MHz
30/-- dB @ 3700 MHz
50/-- dB @ 3650 MHz
Upper Rejection (Min./Typ. dB) 30/-- dB @ 4325 MHz
60/-- dB @ 4400 MHz
7893D-3900/4200
Passband (MHz) 3900-4200
Lower Rejection (Min./Typ. dB) 30/35 dB @ 3845 MHz
Upper Rejection (Min./Typ. dB) 30/35 dB @ 4255 MHz

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