MC2800SYNEVK Datasheet, PDF (1/11 Pages) Motorola, Inc – FLEX Paging RF/IF Frequency Synthesizer Receiver

Freescale Semiconductor, Inc. ^{Order this document by MC2800SYNEVK/D}
MC2800SYNEVK
Advance Information
FLEX^™ Paging RF/IF Frequency
Synthesizer Receiver
This document contains the information of a frequency
synthesized receiver prototype for FLEX roaming paging
platform. This FLEX paging receiver board is a high
performance RF/IF front–end for using in FLEX roaming
pager. This board employs Motorola’s high frequency
Features:
• Input RF Frequency Range: 278 to 286 MHz
• Input frequency channel spacing: 25.0 kHz
• Excellent Sensitivity: –123.0 dBm
• IF Receiver Operating Voltage: 1.15 to 1.7 V
• PLL Operating Voltage: 3.0 to 3.3 V
• Total Current Consumption:
4.3 mA @ VCC = 1.15 V,
0.08 mA @ VDD = 3.0 V
• Switchable Bit–Rate Filter to Support All Kinds of FLEX
Data Rate
transistors MMBR941LT1, a M–ary FSK FM IF receiver
MC2800 as well as NPC’s phase lock loop SM5166AV as the
core. The whole module includes a LNA, a
voltage–controlled oscillator, a frequency multiplier, a PLL, a
mixer and a FSK IF receiver.
ORDERING INFORMATION
Device
Description
MC2800SYNEVK FLEX Paging Receiver Brd Evaluation Kit
FLEX is a trademark of Motorola, Inc.
RF Input
LNA
Figure 1. System Block Diagram
RF AGC
450 kHz
Ceramic Filter
RSSI
SAW
Filter
Mixer
LO1
X3
VCO
Crystal
Filter
IF FSK
Receiver
MC2800
X’tal
LO Reference
PLL
2 Bits
Output
To FLEX
Decoder
3 Bits
Control
Lines
3 Bits
Control
Lines
This document contains information on a new product. Specifications and information herin
© Motorola, Inc. 2000
ar_Me s_Oub_Tje_Oc_Rt to_Oc_Lha_Ang_Re_Fw_/i_Ith_Fou_Dt _Eno_Vtic_ICe._{E DATA For More Information On This Product,}
Go to: www.freescale.com
Rev 1
1