Chris Scott & Associates - www.scott-inc.com ORDERING

FM Bandpass filter 88-108 MHz

FM Bandpass filter
Designed for maximum out of band rejection. 88 to 108 MHz passband has less than 1.5 dB insertion loss. Greatly reduces interference, desensitization, and intermodulation products from out-of-band sources.

Small portion of actual sweep

Actual measured performance of a typical unit is below - use this data for evaluation.

1-200 MHz span

1-1000 MHz span

The FM Bandpass filter passes the entire USA FM broadcast band frequencies, and rejects signals significantly removed.   This device is the ideal companion to the spectrum analyzer for FM broadcast work - preventing out-of-band energy from corrupting the linearity of the wideband SpecAn mixer. Without it, work in the presence of television, cellular, or land-mobile transmitters can create intermodulation products leading to uncertain measurements. Useful for FM signal bandwidth neasurements using an antenna. Can also be used to prevent out-of-band interference to weak signal FM reception.

Specifications

  • Frequency pass < 1.5 dB: 88 - 108 MHz
  • impedance: 50 ohms
  • Connectors: BNC
  • Maximum VSWR 88-108 MHz: 1.5:1
  • Maximum attenuation 73 dB
  • Maximum operating level: +10 dBm
  • Construction: cast aluminum.
  • Documentation: user guide

Price in US dollars: $159 + shipping

How to order

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