RF2948B RF Micro Devices, RF2948B Datasheet - Page 9

• Manufacturer Part Number: RF2948B
• Description: 2.4GHz SPREAD-SPECTRUM TRANSCEIVER
• Manufacturer: RF Micro Devices

Rev A6 040930
RX IF BIAS 3
RX IF IN 5
TX IF IN 6
TX VGC 8
RX EN 2
VCC1 4
VCC9 7
PD 1
9
Logic
÷2
32
10
Detailed Functional Block Diagram
Splitter
Phase
REF
31
11
30
12
Control
BW
29
13
Σ
Feedback
DC
14
gm-C
gm-C
LPF
LPF
28
15
Feedback
DC
27
16
Bias
TX
RF2948B
26
gm-C
gm-C
LPF
LPF
25
24
23
22
21
20
19
18
17
I OUT
VCC4
TXQ DATA
TXQ BP
TXI DATA
TXI BP
IF1 OUT+
IF1 OUT-
11-247