ISG4042-T 5 V CATV MODEM RF TUNER AND TRANSMITTER FEATURES • TWO WAY DOCSIS BASED DESIGN: 91-857 MHz Downstream 5-42 MHz Upstream • SINGLE SUPPLY 5 V OPERATION: With Built in Linear Regulation • SINGLE AGC CONTROL Simplifies Modem Calibration • ULTRA SMALL SIZE: 1.
9 x 2.
0 x 0.
5 in.
, 1.
9 in3 46.
2 x 49.
0 x 12.
5 mm.
, 28.
5 cc.
• DIGITAL LINEAR RF TRANSMITTER: All Harmonics meets DOCSIS @ 58 dBmV (see note 2) 56 dB Gain Range (0.
5 dB steps) • INTERFACES DIRECTLY WITH QAM MOD/DEMOD IC's: (see note 3) DESCRIPTION AND APPLICATIONS The ISG4042-T is an RF tuner/transmitter designed for use in DOCSIS cable modem applications.
It is a complete solution that interfaces directly with QAM Mod/Demod IC's...

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