Suspended Substrate Fixed High Pass Filters

Overview

Suspended Substrate filters by MPG combine high Q factor and low-loss performance into a durable and temperature stable small package. Through the use of a photo-etched, copper clad substrate, Suspended Substrate filters utilize air as the dielectric. The result is a filter capable of producing wide passbands and faster roll-off of stopbands.

The printed circuit technology used in our Suspended Substrate filters also supports complex mechanical configurations by allowing other structures to be printed on the suspended substrate, including Combline filters, Interdigital filters, Hairpin filters and Bandstop (Notch) filters. Highpass and lowpass Suspended Substrate filters can also be interconnected to create broadband bandpass filters or diplexers.

MPG has a lengthy history in innovating microwave filters, and the Suspended Substrate line is no exception. We employ our engineering proficiency to create an environmentally flexible alternative to traditional broadband component filters and multiplexers. The durable construction of the Suspended Substrate filter can be customized to meet all relevant military specifications, including those for vibration, since the interior walls in the housing are designed to hold the circuit and prevent movement.

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About The Technology

Suspended Substrate

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Features & Specifications

Due to the high Q capabilities of suspended substrate filters, they are especially sensitive to even small variations in housing. MPG engineers employ experienced processes in our in-house machine shop to create a highly reproduceable product, designed to meet the individual durability and reliability requirements of our customers, regardless of industry or application.

Suspended Substrate filter frequency: L band, S band, C band, X band, Ku band, K band, Ka band and V band from 1 to 120 GHz.

Suspended Substrate filter features: Suspended Substrate filters are available in bandwidths from 50% to 100%. Filters are available in a Q range of 250 to 750 in 3 to 11 sections. Connectorized mounts are available. Suspended substrate filters are manufactured in bandpass, band reject, bandpass, high pass, low pass, diplexer and multiplexer designs.

Benefits

MODULAR

SWaP

CUSTOM DESIGN

Applications

Because of the rugged package design, small size, high Q, and temperature stability, MPG’s Suspended Substrate Filters can fit a wide range of applications, including those in the following markets: defense, EW, RADAR, communications, SATCOM, telecom, SIGINT, aerospace, space, automated test equipment, navigation/GPS and data links.