MtronPTI Introduces Ceramic Filter Product Line

MtronPTI Introduces Ceramic Filter Product Line

July 02, 2007

Yankton, South Dakota –July 2, 2007 – MtronPTI, a leading producer of frequency control & filter products, has expanded their already broad product portfolio to include ceramic filters. The ceramic filter line will feature products with frequencies from 300 MHz to 6 GHz with a 1-40 percent bandwidth. Products are tailored to the customers’ needs and offered in custom packages with RoHS compliance.

The ceramic filter products are often used in applications that are already supported by MtronPTI’s broad product portfolio, including; base stations, up/down converters, modems, receivers, transceivers, VSAT’s (very small aperture terminals), satellite terminals, modulators, demodulators and gateways. Standard duplexers, bandpass filters and multiplexers are also available from MtronPTI for the base station and repeater applications.

The product line will include mono-block duplexers, which are configured with several resonators. The technical advantages include removal of the additional parts such as combination circuits for combining resonators and external circuits for patterning or holes. Applications for this technology include SATCOM, Internet Connectivity, Telephone Connectivity, Point-to-Point Networks, Point-to-Multipoint Networks, Broadband Access, LANs, and WLANs.

One example of the recently developed products for WIMAX applications is Model CF2510R. It is a 3.5 GHz device with a 300 kHz bandwidth, featuring a 2.5 dB insertion loss, 1.0 dB of ripple and 13 dB return loss. This 50 ohm terminated device operates over the temperature range of -40C to 85C and provides 60 dB of attenuation at 3.95 GHz and 3.1 GHz. The surface mount package is 26.5 x 12 x 6.3 mm.

MtronPTI’s VP of Engineering, Joe Doyle, said, “The ceramic filter product will add another dimension to MtronPTI’s portfolio. Our goal is to continually enhance our technology development to better serve our customers. Our new ceramic filter product line is the next step toward that goal.”

MtronPTI was formed in October 2004 with the merger of M-tron Industries Inc. and Piezo Technology Inc. of Orlando, Florida. MtronPTI is a leading designer and manufacturer of advanced technology frequency control products and electronic filter products. The company specializes in developing custom products for advanced frequency control applications. It is based in Yankton, South Dakota with design, sales and manufacturing locations in North America, Asia and Europe. MtronPTI is a subsidiary of the LGL Group (formerly Lynch Corporation). LGL is listed on the American Stock Exchange and traded under the symbol – LGL. View the MtronPTI website at


Caution Concerning Forward Looking Statements
This document includes certain “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. These statements are based on management’s current expectations and are subject to uncertainty and changes in circumstances. Actual results may differ materially from these expectations due to changes in global political, economic, business, competitive, market and regulatory factors. More detailed information about those factors is contained in LGL Group’s filings with the Securities and Exchange Commission.

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