LPH Series Harmonic Lowpass Filters

Harmonic Lowpass filters

Anatech Electronics LPH Series are 50 ohm high performance lowpass filters, with minimal insertion loss at the cutoff frequency (Fc) and relatively sharp transition to the rejection frequencies. They are designed to remove interference as well as harmonics. Their size ranges anywhere from 2.7" to 14.5" in length, including the connector. The LPH series can be used in a variety of platforms, such as test lab bench measurements and system harmonic reduction.

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Ceramic Bandpass Filter: AM748B1188

Anatech-LogoThe AM748B1188 ceramic bandpass filter has a center frequency of 748 MHz, passband of 740 to 756 MHz, ripple of less than 0.7 dB, insertion loss of 2 dB, return loss greater than 14 dB, and rejection of at least 40 dB. It handles 2 W, has an operating temperature range of -20o to +70o C and measures 17 x 13 x 5.5 mm.

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Cavity Bandpass Filter: AB950B603

Anatech-LogoThe AB950B603 cavity bandpass filter has a center frequency of 950 MHz, passband of 940 to 960 MHz, insertion loss of 0.7 dB, return loss of 18 dB, and operating temperaturerange of -40o to +85o C. The filter will withstand shock of 20 G (11 ms) and vibration of 20 G, measures 6.6 x 3.5 x 1.5 in., and uses Type-N female connectors.

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Cavity Duplexer: AD830-875D207


The AD830-875D207 cavity duplexer for GSM applications has a Band 1 passband of 825 to 835 MHz and Band 2 passband of 870 to 880 MHz. Insertion loss is less than 1.3 dB, ripple is less than 0.2 dB, isolation is 90 dB, rejection ranges from 25 to 90 dB, and return loss is greater than 20 dB.

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Directional Coupler: AM1650DC834

AM1650DC834The  AM1650DC834 directional coupler operates over a frequency range of 800 to 2500 MHz with 15 dB of coupling (+/-1 dB), 20 dB of directivity, 0.4 dB insertion loss, at least 35 dB of isolation, and intermodulation distortion of -140 dBc. It has a VSWR of 1.2:1 and handles 40 W CW. The coupler operates over a temperature range of -30o to +60o C, has Type-N connectors, and measures 4.2 x 1.4 x 0.9 in.

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