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PDF CMX018 Data sheet ( Hoja de datos )
| Número de pieza | CMX018 | |
| Descripción | UHF FM/FSK Receiver | |
| Fabricantes | ETC | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de CMX018 (archivo pdf) en la parte inferior de esta página. Total 15 Páginas | ||
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CMX018
UHF FM/FSK Receiver
D/018/3 April 1999
Features
• Double Conversion Super-Heterodyne
Receiver and FM/FSK Demodulator
• LNA with Switched Gain
• High Performance UHF Down-Converter
Stage with Integrated VCO
• 2.7V Operation
• Zero-Power Mode (<10µA)
• 28-Pin SSOP Package
• Temperature Compensated RSSI
Advance Information
Applications
• High Performance Analogue/Digital
Radio Links (860-965MHz)
• General ISM 915MHz Band
• Analogue/Digital Cordless Phones
• Spread Spectrum Receivers
• Analogue FM Receivers
• Handheld Data Terminals
• So-Ho Wireless Data Links
GAINSEL
TANK
OSCOUT
OSCBA OSCEM
ENABLE
RSSI
BUFFERED
OSCILLATOR
OUTPUT
1st DOWN VCO
CONVERTER
LNAIN 50Ω
LNA
50Ω
50Ω
100Ω
100Ω
BANDGAP
& BIAS
CONTROL
2nd DOWN
CONVERTER
IF LIMITING
AMPLIFIER
430Ω
FM/FSK
DISCRIMINATOR
DETOUT
430Ω
LNADEC LNAOUT MIX1IN
MIX1OUT
MIX2IN
MIX2OUT LIMIN LIMDEC1 LIMDEC2
LIMOUT
QUADIN
1.1 Brief Description
The CMX018 is a single chip UHF FM/FSK double-conversion super-heterodyne receiver. It combines
a dual gain mode Low Noise Amplifier (LNA), two down-converters (including integrated oscillators),
limiting amplifier, RSSI, FM/FSK demodulator and zero-power mode control.
The CMX018 can be used in conjunction with the CMX017, an integrated FM/FSK modulator and
transmitter, to implement a complete UHF radio link.
www.DataSheet4U.com
1 page  
Package
D6
Pin No.
23
24
25
26
27
28
Signal
Description
Name
TANK
GND
VCC1
LNADEC
GAINSEL
ENABLE
Type
I/P
First Down-Converter Local Oscillator (VCO)
TANK/resonator connection
GROUND First Down-Converter VCO Ground connection
POWER LNA Power supply - nominally 3.0V
External LNA bias decoupling capacitor
CMOS I/P
LNA Gain control logic input. A logic '0' provides
a typical power gain of 16dB and a logic '1'
provides an attenuation of 6dB
CMOS I/P
Zero-Power logic control. A logic '0' powers down
the device.
Notes: I/P = Input
O/P = Output
www.DataSheet4U.com
© 1999 Consumer Microcircuits Limited
5
D/018/3
5 Page 
Figure 4a Application Layout - Top Copper
Figure 4b Application Layout - Bottom Copper (not reversed)
Available from http://www.cmlmicro.co.uk
www.DataSheet4U.com
© 1999 Consumer Microcircuits Limited
11
D/018/3
11 Page | ||
| Páginas | Total 15 Páginas | |
| PDF Descargar | [ Datasheet CMX018.PDF ] | |
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