MC2800EVK Datasheet, PDF (1/10 Pages) Motorola, Inc – FLEX Paging RF/IF Receiver Board

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MC2800EVK
Advance Information
FLEX^™ Paging RF/IF Receiver Board
This document contains the information of a FLEX paging
receiver reference prototype. This FLEX paging receiver
board is a high performance RF/IF front–end for using in
FLEX pager. This board employs Motorola’s high frequency
Features:
• Input RF Frequency: 284.14 MHz
• Excellent Sensitivity: –124 dBm
• Operating Voltage: VCC = 1.1 to 1.7 V
• Total Current Consumption: 3.2 mA @ VCC = 1.1 V
• Switchable Bit–Rate Filter to Support All Kinds of FLEX
Data Rate
• Separate Interfacing Supply Voltage
transistors MMBR941 as well as its M–ary FSK FM IF
receiver MC2800 as the core. The whole board includes a
LNA, an oscillator, a mixer and a FSK IF receiver.
ORDERING INFORMATION
Device
Description
MC2800EVK FLEX Paging Receiver Board Evaluation Kit
FLEX is a trademark of Motorola, Inc.
RF Input
LNA
Figure 1. System Block Diagram
455 kHz
Ceramic Filter
SAW
Crystal
IF FSK
Filter
Mixer
Filter
Receiver
MC2800
2
2–Bit
Output
To FLEX
Decoder
Local
Oscillator
4 _4–Bit
Control
Lines
This document contains information on a new product. Specifications and information herein
© Motorola, Inc. 1999
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Go to: www.freescale.com
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