MINI-POLE® Tunable Band Pass Filters



Optimized for size, RF power handling, low distortion, and exceptional selectivity, the MINI-POLE® Filter series of Tunable Filters is available in convenient package options to support a wide range of applications.

Frequency Range: HF, UHF, VHF in bandpass and band reject or notch configurations

Bandwidth: 3.2%-21.7%

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About The Technology



Tunable to a maximum of 251 tune positions per band, the MINI-POLE® narrowband series of Tunable Filters offers small package sizing highly suited to tight configurations. The MINI-POLE® Filter is widely used where adjacent radio channels may cause interference on the acquisition channels but is flexible enough to fit a wide variety of applications where small size, as well as high power and performance are required.

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Features & Specifications

MINI-POLE® Filter frequency: HF, UHF, VHF from 1.5 MHz to 700 MHz.

MIN-POLE® Filter features: MINI-POLE Tunable Filters are available in bandwidths from 3.2% to 21.7% with insertion loss of 2.5 to 8.33. Filters can be constructed in x to x sections with an available Q range of x GHZ to x GHz , in tunable bandpass or band reject notch designs.

With high power in a small package, the MINI-POLE® Tunable Filter offers the following advantages:

  • The MINI-POLE® uses a high Q factor, pin diode switched capacitor array with a customized high voltage driver to accurately and reliably tune to pre-defined frequencies.

  • Over the –40 to +85°C temperature range, filters will exhibit a temperature drift of less than 80 PPM/°C, or a total of less than ±0.5% of the center frequency.

  • Up to +30 dBm CW continuous in-band power handling

  • Up to +37 dBm CW continuous out-of-band power handling









The reduced size and optimal RF power handling make MPG’s MINI-POLE® Filter applicable for multiple markets, including defense, EW, RADAR, communications, SATCOM, telecom, SIGINT, aerospace, space, automated test equipment.