938 Series Low Power Compact FM Band Pass Filter

Features

  • Compact FM bandpass filter
  • Wall or ceiling mounted
  • Optional floor stand available
  • 3 kW power handling capability (7 kW with optional forced air cooling)

Description

Electronics Research, Inc 938 Series low power FM band pass filter. The filter uses a high quality aluminum construction. The filter is easily mountable to a wall or ceiling, The 938 Series is available as a reflective filter or as a constant impedance filter. The 938 Series is designed with a compact profile while maintaining high performance. The temperature compensated design is perfect for any low power FM Analog or IBOC application.(Optional Floor Stand available, Type Number FI900-FL)

Specifications

  • Band:
    FM
  • Number of Cavities:
    Three (3)
  • Cooling Method:
    Convection/Forced Air Optional
  • Frequency Range:
    88 to 108 MHz
  • Length:
    25.88 in | 657.4 mm
  • Width:
    8.625 in | 219.1 mm
  • Height:
    48 in | 1219.2 mm
  • Mounting Configurations:
    Floor | Wall | Ceiling
  • Input Types:
    1-5/8 inch 50 Ohm EIA Male
  • Output Types:
    1-5/8 inch 50 Ohm EIA Male
  • Maximum Power Rating:
    3 kW | 7 kW with optional forced air cooling
  • Insertion Loss:
    -0.35 dB at Fc
  • Rejection:
    -20 dB ± 1.0 MHz | -40 dB ± 2.0 MHz
  • VSWR:
    1.10:1, max. ± 200 kHz
  • Group Delay:
    100 ns ± 200 kHz

Models Available:

  • 938A
    ERI Model 938A FM Band Pass Filter, three cavities, floor mounted, convection cooled. 3.5 kW power rating. 1-5/8-inch input and output. Includes mounting tabs for wall or ceiling mount, hardware not included.
  • 938B
    ERI Model 938B FM Band Pass Filter, three cavities, floor mounted, forced air cooled. 7 kW power rating. 1-5/8-inch input and output. Includes mounting tabs for wall or ceiling mount, hardware not included.

Product Brochure


938 Series FM Band Pass Filter Product Brochure

Download File

935A FM Band Pass Filter

ERI 938 Series low power FM band pass filter. The 938 Series is available as a reflective filter or in a constant impedance configuration. The 938 Series maintains a compact profile while maintaining high performance.