Rainbow Electronics MAX7030 - Manual (Page 19)

MAX7030
Low-Cost, 315MHz, 345MHz, and 433.92MHz
ASK Transceiver with Fractional-N PLL
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LNA
90 °
0 °
RSSI
IF LIMITING
AMPS
100k Ω
100k Ω
DATA FILTER
7
8
9 10 11 12 14 13
20
19
RX
DATA
18
15
16
17
30
29
28
24
23 22
DIGITAL LOGIC
31
32
CRYSTAL
OSCILLATOR
27
3.0V
REGULATOR
6
26
PA
MAX7030
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
HV IN
AV DD
ROUT PAV DD PAOUT T/R DV DD ENABLE
DATA
AGC2
AGC1
AGC0
DS-
PDMAX
PDMIN
DS+
OP+
DF
IFIN+ IFIN- MIXOUT MIXIN- MIXIN+ LNAOUT
3 4
Functional Diagram