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PBL40215 Datasheet

  • PBL40215

  • RF Transceiver circuit for the Digital Enhanced Cordless Tel...

  • 22頁

  • ERICSSON

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Preliminary
January
402 15
PBL
2001
PBL 402 15
RF Transceiver circuit for the Digital
Enhanced Cordless Telecommunications
(DECT) system
Description.
The PBL 402 15 is a complete RF transceiver to be used in the Digital Enhanced
Cordless Telecommunications ( DECT ) system. It is designed to interface to various
base-band controllers.
The circuit contains transmit and receive functions that share integrated high stability
VCO麓s and a phase locked loop function ( PLL ). All functionality is controlled through a
3-wire bus interface with optional hard wire lines.
The receive section comprises of a low noise image reject down conversion to the
first intermediate frequency, an external channel filter, a second down convertion to a
second intermediate frequency, an integrated channel pass filter, a high gain limiting
amplifier, a received signal strenght indicator with DC compensation loop, a self aligned
frequency discriminator and a preamble based data slicer.
The transmit section comprises of a signal gate and a pre-power amplifier. Data
transmission is achieved by direct open loop modulation of the Tx VCO.
Key features.
鈥?High Tx output power to +7dBm
鈥?Integrated PLL and high stability
VCO麓s
鈥?3-line serial interface bus
鈥?Minimum 2.7 V supply voltage
鈥?Low current consumption
鈥?Differential Rx input and Tx output
鈥?Flexible interface to various base-
band controllers
鈥?Exellent performance with Ericsson麓s
power amplifier PBL403 09
鈥?Low cost
Applications:
鈥?DECT Handset and base station
鈥?Wireless local area network ( WLAN )
鈥?Wireless local loop ( WLL )
P
40
BL
5
21
Figure 1. Block diagram.
Figure 2. Package outlook.
1

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