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AT48802 Datasheet Spread- Spectrum Signal Processor Integrated Circuit

Manufacturer: Atmel (now Microchip Technology)

Overview: AT48802.

This datasheet includes multiple variants, all published together in a single manufacturer document.

General Description

The AT48802 Spread-Spectrum Signal Processor (SSSP) chip from Atmel handles all PN code generation, synchronization, and handshaking required for either station (handset or base station) of a time division duplex direct sequence spread-spectrum cordless telephone.

The AT48802 supports RF spreading and despreading for the best rejection of interference.

In conjunction with a single-chip microcontroller, the circuit performs the following functions: • Generates a pseudo-random sequence for spreading the transmitted signal.

Key Features

  • Two Independent PN (Pseudo-Random Noise) Generators Programmable R7 (128) to R13 (8,192) PN Sequence Lengths Programmable Tau-Dither Amplitude Programmable PN Phase Adjustment to 1/16 Chip Correlation Acquisition Interface Programming Register Control Microcontroller Compatible Bus Interface Patent-Pending Frequency Diversity Low Speed Link Data Path for Supervisory and Setup Functions.

More Datasheets from Atmel (now Microchip Technology)

Part Number Description
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AT48802 Distributor