EE Product News

1-GHz Digital Tuner Invades Space-Sensitive Video Apps

In a single, 7 mm x 7 mm x 1 mm surface-mount package, the AIT1042 1-GHz digital tuner seeks employment in CATV and HDTV tuners, set-top boxes, and PC TV tuner cards. The RF tuner includes an up converter with gain control, a down converter, an IF amplifier with gain control, two VCOs, and a dual synthesizer. Operating from a single 5V supply, it generates 78 dB of gain while converting a 50 MHz to 1 GHz input to a 35 MHz to 50 MHz IF output. Gain control range is adjustable up to 40 dB at the RF input and up to 45 dB in the IF amplifier. On-chip oscillator tank circuits reduce component count and eliminate the need for any post assembly manual adjustments. Price is $3.88 each/5,000. ANADIGICS INC., Warren, NJ. (908) 668-5000.


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