RF2948B RF Micro Devices, RF2948B Datasheet - Page 9
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RF2948B
Manufacturer Part Number
RF2948B
Description
2.4GHz SPREAD-SPECTRUM TRANSCEIVER
Manufacturer
RF Micro Devices
Datasheet
1.RF2948B.pdf
(18 pages)
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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