Functional diagram – Rainbow Electronics MAX7032 User Manual
Page 30
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MAX7032
Low-Cost, Crystal-Based, Programmable,
ASK/FSK Transceiver with Fractional-N PLL
30
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LNA
90
°
0
°
RSSI
IF LIMITING
AMPS
ASK
100k
Ω
100k
Ω
DATA FILTER
7
8
9
10
11
12
14
13
FSK
DEMODULATOR
FSK
20
19
RX
DATA
18
15
16
17
30
28
29
24
21
23
22
SERIAL
INTERFACE AND
DIGITAL LOGIC
31
32
CRYSTAL
OSCILLATOR
1/K
25
27
3.0V
REGULATOR
6
26
PA
MAX7032
5
1
2
RX VCO
RX
FREQUENCY
DIVIDER
PHASE
DETECTOR
CHARGE
PUMP
LOOP FILTER
TX
FREQUENCY
DIVIDER
∆Σ
MODULATOR
Σ
I
Q
TX VCO
EXPOSED
PADDLE
LNAIN
LNASRC
TX/RX1
TX/RX2
XTAL1
XTAL2
CLKOUT
HV
IN
AV
DD
ROUT
PAV
DD
PAOUT
T/R
DV
DD
ENABLE
DATA
DIO
CS
SCLK
DS-
PDMAX
PDMIN
DS+
RSSI
OP+
DF
IFIN+
IFIN-
MIXOUT
MIXIN-
MIXIN+
LNAOUT
3
4
Functional Diagram
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