1.3
Signal List
Package
D6
Pin No.
1
2
3
4
5
6
7
8
9
10
Name
Signal
Description
Type
I/P
GROUND
O/P
GROUND
I/P
O/P
GROUND
I/P
O/P
GROUND
LNA RF Input
LNA Ground connection
LNA RF Output
LNA Ground connection
RF Input to the First Down-Converter
IF Output from the First Down-Converter
First Down-Converter Ground connection
RF Input to the Second Down-Converter
IF Output from the Second Down-Converter
Second Down-Converter, Limiting Amplifier,
RSSI and Demodulator stages -
Ground connection
Input to the Limiting Amplifier
External Decoupling capacitors - one required at
each Limiting Amplifier Input
Receive Signal Strength Indicator output
Quadrature input to the FM Demodulator
Output from the Limiting Amplifier
Power supply to the Second Down-Converter,
Limiting Amplifier, RSSI and Demodulator stages
- nominally 3.0V
Output of the FM/FSK Quadrature Demodulator
Emitter connection to the Second Down-
Converter Local Oscillator transistor
Base connection to the Second Down-Converter
Local Oscillator transistor
O/P
POWER
Buffered Local Oscillator (Open-Collector) output
from the First Down-Converter
First Down-Converter Power supply
- nominally 3.0V
LNAIN
GND
LNAOUT
GND
MIX1IN
MIX1OUT
GND
MIX2IN
MIX2OUT
GND
11
12
13
14
15
16
17
LIMIN
LIMDEC1
LIMDEC2
RSSI
QUADIN
LIMOUT
Vcc3
I/P
I/P
I/P
O/P
I/P
O/P
POWER
18
19
20
21
22
DETOUT
OSCEM
OSCBA
OSCOUT
V
CC
2
O/P
©
1999
Consumer Microcircuits Limited
4
D/018/3
CMLMICRO [ CML MICROCIRCUITS ]
