- Buyers Guide
The 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.
The AS36CN803 crystal notch filter has a center frequency of 36 MHz, low-side passband of -80 to -2 kHz, high-side passband of 2 to 80 kHz, insertion loss of 4 dB, ripple of 1 dB or less, and has a maximum input power of 10 dBm. The filter uses SMA female connectors.
Anatech’s AM836-881D177 ceramic duplexer has a Band 1 passband of 824 to 849 MHz, a Band 2 passband of 869 to 894 MHz, and insertion loss in either band of less than 3.3 dB. Return loss is greater than 13 dB, isolation is greater than 43 dB in Band 1 and greater than 60 dB in Band 2, and rejection ranges between 43 dB and 50 dB.
The AE600H9800 highpass filter has a cutoff frequency of 600 MHz and a passband of 2 to 10 GHz. Insertion loss at its center frequency is less than 2 dB, return loss is greater than 10 dB, rejection is at least 30 dB from DC to 932 MHz, and it is housed in a package measuring 1 x 0.7 5 x 0.243 in. The filter uses Type-N female connectors.
The AE70NS2067 notch filter has a notch bandwidth of 68 MHz to 72 MHz, rejection of at least 30 dB, a low-side passband of DC to 64 MHz and high-side passband 76 to 150 MHz. Insertion loss is less than 1 dB, and the filter measures 4 x 1.25 x 0.75 in. and uses SMA female connectors.
The AE14625-15250DB5370-LNA combines a high-performance duplexer with a low-noise amplifier with excellent noise performance in a compact module. The duplexer’s band 1 is 14.4 to 14.83 GHz, band 2 is 15.15 to 15.35 GHz, insertion loss is less than 2 dB, rejection is at least 60 dB, and power handling ability is 150 W.
The AM1500PD902 two-way power divider cover 800 to 2200 MHz with insertion loss of 0.5 dB, isolation of at least 18 dB, amplitude balance 0.5 dB, phase balance of 5 deg., and VSWR of 1.4:1. It will handle 100 W CW, uses Type-N female connectors, and measures 2.1 x 2.1 x 1 in.
The AD800-900-1800TR288 tri-band diplexer has a receive frequency range of 806 to 824 MHz, 896 to 901 MHz, and 1850 to 1910 MHz, and transmit frequency range of 851 to 869 MHz, 935 to 940 MHz, and 1930 to 1990 MHz. Its insertion loss is 2.5 dB or less, ripple is 1.8 dB, return loss is greater than 14 dB, and rejection is up to 45 dB.
The AD1950-2140D269 is a high-performance cavity duplexer designed for radar, satellite communications, and other S-band applications. Band 1 is 920 to 1980 MHz and Band 2 is 2110 to 2170 MHz. Maximum insertion loss is 1.5 dB, ripple is less than 0.2 dB, isolation is greater than 90 dB, rejection is at least 90 dB, power handling is 20 W, and return loss is greater than 18 dB.
The AM1950-2140SD345 SAW duplexer is designed for wireless applications and has very low ripple and insertion loss along with high rejection. Pass-band 1 is 1940 to 1960 MHz and pass-band 2 is 2130 to 2150 MHz. Rejection is up to 52 dB, insertion loss is less than 2.2 dB in either pass-band, in-band ripple is 0.6 dB, and isolation is at least 43 dB.
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