Microwave Filter Company, Inc.
International Calls: (315) 438-4700
Toll Free: (800) 448-1666
mfcsales@microwavefilter.com

"Committed to Excellence" Since 1967

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An ISO 9001:2008 Registered Company
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L-Band Tunable Notch Filters

8976 Series

These versatile field-tuned notch filters remove undesired L‑band transmissions with minimal effect on the desired band.

Common Applications:
  • C-band Downconversion
  • Global Navigation Satellite Systems (GPS, Galileo, GLONASS)
  • Digital Audio Broadcasting (DAB)
  • Amateur Radio (23 cm Band)

Features:

  • Wide Operating Passband - DC to 2500 MHz (excl. notch region)
  • Single and Dual Notch Models Available
  • No Tuning Tools Required - Easy-to-Use Knob Controls
  • Available in 75 ohm or 50 ohm Configuration

89768976-2

Model Description Tuning Range              Notch Depth 3 dB Bandwidth             Tuning Actuation
8976 Single Notch 900 - 1750 MHz 15-18 dB Typ 3.0 MHz Typ Single Knob

8976-2

Dual Notch 900 - 1750 MHz 30-35 dB Typ* 3.5 MHz Typ* Dual Knob**

* Both notches tuned to same frequency.

** Independent Tuning – May be tuned to same notch frequency (for deeper notch) or two separate frequencies (for dual carrier/wideband notching).

Ordering Information:
8976(X)(Y) - Single Notch Model
8976(X)(Y)-2 - Dual Notch Model

(X) = Connector Type
  = (B) BNC-female
  = (S) SMA-female
  = (No Designation) F-female
(Y) = Impedance
  = (50) 50 ohm
  = (No Designation) 75 ohm

 

Example: Model 8976B50-2 = Dual notch w/50 ohm
BNC-female connectors

 

Download PDF     PDF

plot1
Model 8976 Typical Response  
plot 2
Model 8976-2 Typical Response  
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Toll Free: (800) 448-1666
International: (315) 438-4700
Fax: (315) 463-1467

6743 Kinne Street
East Syracuse, New York 13057
Website: www.microwavefilter.com
Email: mfcsales@microwavefilter.com