Passive Components


Filters for microwave frequencies

17 May 2006 Passive Components

Lorch Microwave offers a range of RF and microwave signal processing components and systems:

The model 8WG-38910/R620-WR28 is a new waveguide filter with a centre frequency of 3 8910 MHz. Insertion loss at centre frequency is 1,75 dB max. This filter has a passband of 620 MHz and VSWR of 1.3:1. The rejection at fO ±750 MHz is >50 dB.

The company's Model 4DF12-449/6-N is a pole-placed ceramic filter with a centre frequency of 449 MHz that offers enhanced selectivity. The filter has a passband of 6 MHz, insertion loss less than 1,2 dB at centre frequency and VSWR of 1,5:1. The filter has a passband flatness at fO ±3 MHz of less than 0,5 dB. Rejection greater than 20 dB is achieved at fO ±8 MHz.

Lorch Microwave's Models WF-00004 and WF-00007 are full band PCS transmit and receive filters. Rejection frequencies for the receive band are DC to 1830 MHz (>40 dB) and 1930 MHz to 1990 MHz (>60 dB).



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