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RF2469 Datasheet(PDF) 6 Page - RF Micro Devices

Part # RF2469
Description  W-CDMA AND PCS LOW NOISE AMPLIFIER/MIXER DOWNCONVERTER
PDF  18 Pages
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Manufacturer  RFMD [RF Micro Devices]
Direct Link  http://www.rfmd.com
Logo RFMD - RF Micro Devices

RF2469 Datasheet(HTML) 6 Page - RF Micro Devices

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Preliminary
8-38
RF2469
Rev A5 010717
8
LNA1, LNA2 and Mixer Application Schematic
(RF=2140MHz, IF=190MHz)
Logic
Control
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
330 pF
0.5 pF
LNA1 IN
DNI
1000
Ω
ENABLE
L3
C4
L4
L1
100 nH
R
4.7
k
Ω
C1
5pF
C1
5pF
C3*
L2*
IF OUT
10 pF
10 nF
LO IN
LNA2 BYP
LNA1 BYP
10 nF
1.0 pF
MIX IN
10 pF
10 nF
2.4
k
Ω
10 pF
10 nF
1.1
k
Ω
27 nH
10 pF
10 nF
10 pF
LNA1 OUT
V
CC
V
CC
V
CC
V
CC
V
CC
V
CC
V
CC
V
CC
LNA2 OUT
C5
MIX IN
C2
3.0 pF
3.0 pF
LNA2 OUT and MIX IN matching network need
to be determined. (L3, L4, C4, and C5)
* See output interface network of the mixer to
determine L2 and C3.
500
Ω
IF SAW



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