DTMF RECEIVER

DESCRIPTION The SC9270C/D is a complete DTMF receiver integrating both the bandsplit filter and digital decoder functions. The filter section uses switched capacitor techniques for high- and low-group filters and dial-tone rejection. Digital counting techniques are employed in the decoder to dete

文件：177.72 Kbytes 页数：12 Pages

SILAN

士兰微

ICs for Consumer Electronics

文件：599.05 Kbytes 页数：33 Pages

SIEMENS

西门子

TOSHIBA CMOS DIGITAL INTEGRATED CIRCUIT SILICON MONOLITHIC

Σ-Δ MODULATION SYSTEM DA CONVERTER WITH A BUILT-IN DIGITAL ATTENUATOR DIGITAL FILTER TC9270F, TC9270N are a 2nd order Σ-Δ modulation system 1-bit DA converter with a built-in 8 times over sampling FIR type digital filter developed for digital audio equipment. As the de-empahsis filter has been i

文件：689.99 Kbytes 页数：19 Pages

TOSHIBA

东芝

TOSHIBA CMOS DIGITAL INTEGRATED CIRCUIT SILICON MONOLITHIC

Σ-Δ MODULATION SYSTEM DA CONVERTER WITH A BUILT-IN DIGITAL ATTENUATOR DIGITAL FILTER TC9270F, TC9270N are a 2nd order Σ-Δ modulation system 1-bit DA converter with a built-in 8 times over sampling FIR type digital filter developed for digital audio equipment. As the de-empahsis filter has been i

文件：689.99 Kbytes 页数：19 Pages

TOSHIBA

东芝