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STB4395 Scheda tecnica(PDF) 1 Page - STMicroelectronics |
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STB4395 Scheda tecnica(HTML) 1 Page - STMicroelectronics |
1 / 16 page STB4395 CT2 RECEIVER/TRANSMITTER April 1996 ADVANCE DATA TQFP64 (Plastic Package) ORDER CODE : STB4395 or STB4395A . FULLY INTEGRATED DOUBLE SUPERHETE- RODYNE RECEIVER . OPERATION FROM 800MHz TO 1000MHz . RECEIVER OUTPUT AS BITSTREAM . FULLY INTEGRATED TRANSMITTER . TRANSMITTER INPUT I/Q/REFIQ OR I/I, Q/Q . INTEGRATED POWER AMPLIFIER . CT2 PA SWITCH-ON PROFILE INTEGRATED . VCO’s INTEGRATED . SYNTHESIZERS INTEGRATED . CHANNEL SELECT LOGIC ON CHIP . INTEGRATED VOLTAGE REGULATION . SUPPLY VOLTAGES FROM 3.0V TO 5.5V This is advance information on a new product now in development or undergoing evaluation. Details are subject to change without no tice. DESCRIPTION The STB4395(A) is a fully integrated receiver- transmitter designed for CT2 applications, and in- corporates all the VCO’s, synthesizers, PLLs, and channel select logic, to make a fully functional ”single chip” radio. The receiver is of the double superhet architecture and operates from an aerial input (via a SAW filter) to bitstream output to CT2 format, whilst the trans- mitter operates from I/Q inputs to +13dBm at the final frequency. A single (external) frequency ref- erence is all that is required to give full coverage over the range of 800 to 1000MHz.The on-off slope of the Transmit PAis governed internally to give the required switch-on ramp, whilst the output can be swiched from low to high power by means of an external digital control signal. The channelselect is controlled from a digital serial input, and allows continuous channel control from 800 to 1000MHz. T h e S TB 4395 ex i s t s in t wo v er si ons: the STB4395, which has I/I, Q/Q transmit data input/outputs, is designed to operate with the SGS-THOMSON baseband companion part, the ST5095. The STB4395A has a 3 wire I/Q interface and is compatible with commercially available I/Q transmit data baseband IC’s. 1/16 |
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