Proposed
RF2722
Detailed Functional Block Diagram
32
31
30
29
28
27
26
25
LNA 1P
LNA 1N
LNA 2P
LNA 2N
LNA 3P
LNA 3N
LNA 4P
LNA 4N
1
2
3
4
5
6
7
8
24 DIG/FLT VCC
LNA1
Serial
Data
Interface
23 I OUT
22 IB OUT
21 QB OUT
20 Q OUT
LNA2
LNA3
Quadrature
Mixer
Polyphase
Filter
DC
Correct
19 TX EN
18 TXB IN HB
17 TXB IN LB
Quadrature
Generator
LNA4
9
10
11
12
13
14
15
16
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com.
Rev A4 DS050919
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