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Vishay combines two AGC amps into single chip

Posted: 29 May 2002 ?? ?Print Version ?Bookmark and Share

Keywords:mosmic? mos monolithic ic? tsdf52424x/xr? tsdf02424x/xr? tsdf53030x/xr?

Vishay Intertechnology Inc. has launched its family of second-generation dual MOSMICs MOS monolithic ICs for UHF/VHF tuners, that combine two automatic gain controlled (AGC) amplifiers into a single package, eliminating the need or separate ICs to handle VHF and UHF bandwidths.

The X series of dual MOSMICs are used in the low-noise input stages of television receivers and STBs, and serve as drop-in and function-compatible upgrades for the company's previous-generation of MOSMICs products.

The series provide a transadmittance values of 24mS (TSDF52424X/XR and TSDF02424X/XR), 30mS (TSDF53030X/XR and TSDF03030X/XR), and 40mS (TSDF54040X/XR and TSDF04040X/XR).

They also offer an input capacitance down to 1.7pF20 percent lower that the previous devices. NF is placed at 1dB (200MHz), while typical cross modulation is 105dBmV (-40dB AGC).

The chips feature integrated gate protection diodes and resistors, and an on-chip biasing network. All six devices are rated for operation at 5V and are packaged in 2.05-by-1.25mm SOT363 surface-mount packages.

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