RF2469PCBA Просмотр технического описания (PDF) - RF Micro Devices
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RF2469PCBA Datasheet PDF : 18 Pages
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RF2469
Preliminary
LNA1, LNA2 and Mixer Application Schematic
(RF=2140MHz, IF=190MHz)
LNA1 IN
10 nF
VCC
330 pF
0.5 pF
10 pF
VCC
VCC
DNI
1000
Ω
LNA1 OUT
27 nH
10 pF
20 19 18 17 16
1
15
ENABLE
LNA1 BYP
2
VCC
10 nF
10 pF
3
1.1
kΩ
4
Logic
14
Control
13
12
LNA2 BYP
VCC
VCC
10 nF
10 pF
5
11
3.0 pF
2.4
kΩ
10 nF
6 7 8 9 10
LO IN
MIX IN
8
1.0 pF
C1
5 pF
C2
3.0 pF
R
4.7
500 Ω
IF SAW
C3*
IF OUT
C1
5pF
L2*
kΩ
L4
10 pF
VCC
L1
VCC
100 nH
L3
C4
LNA2 OUT
C5
MIX IN
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.
10 nF
8-38
Rev A5 010717
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