max2511eeit Maxim Integrated Products, Inc., max2511eeit Datasheet - Page 16

• Manufacturer Part Number: max2511eeit
• Description: Max2511 Low-voltage If Transceiver With Limiter And Rssi
• Manufacturer: Maxim Integrated Products, Inc.

Low-Voltage IF Transceiver
with Limiter and RSSI
16
___________________________________________________Typical Operating Circuit
* OPTIONAL
______________________________________________________________________________________
OUTPUT
INPUT
Rx
Tx
100pF
47nF
C
C
C
C
BLOCK
BLOCK
MATCH
MATCH
V
CC
L
L
MATCH
CHOKE
V
R*
0.01 F*
CC
47nF
V
CC
47nF
330
L
CHOKE
24
23
25
20
26
27
22
20
21
BPF, Z
4
5
10.7MHz
TXOUT
TXOUT
RXIN
RXIN
V
V
GND
RSSI
GC
GND
MIXOUT
CC
CC
0
= 330
0.1 F
LIMIN
MAX2511
330
1
VREF
28
CZ
OSCOUT
LIMOUT
LIMOUT
2
RXEN
TXEN
TANK
TANK
TXIN
TXIN
GND
GND
V
V
CZ
CC
CC
0.01 F
16
15
13
14
18
17
8
7
6
9
12
11
10
3
8.2nH
1k
V
CC
12pF
6.8pF
6.8 pF
D1
1k
V
V
47nF
47nF
CC
CC
470pF
47nF
10k
10k
10k
0.1 F
0.1 F
0.1 F
0.1 F
GAIN CONTROL VOLTAGE
TO PRESCALER
RSSI OUTPUT
D1 = ALPHA SMV1204-199
F
OSC
= 435.7MHz
10.7MHz Tx
INPUT
10.7MHz Rx
IF OUTPUT
VCO ADJUST
FROM PLL
CONTROL
LOGIC