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RF5187PCBA-41X 데이터 시트보기 (PDF) - RF Micro Devices
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RF5187PCBA-41X
LOW POWER LINEAR AMPLIFIER
RF Micro Devices
RF5187PCBA-41X Datasheet PDF : 8 Pages
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RF5187
Evaluation Board Schematic
2140MHz Operation
C2
J1
RF IN
50
Ω μ
strip
3 pF
1
C1
2.4 pF
2
VPC
3
C6
1000 pF
4
BIAS
CIRCUIT
PACKAGE BASE
VCC
V
CC
= 5 V
f = 2140 MHz
P
OUT
= 13 dBm
C8
C7
1 uF
1000 pF
8
C3
7
3.3 pF
50
Ω μ
strip
J2
RF OUT
C3
6
1.5 pF
5
L1
4.7 nH
C5
33 pF
P1
P1-1 1 VCC
2 GND
P1-3 3 VPC
CON3
Constant Bias Circuit
5.0 V
R1 R3
To VCC pins through LPF
Q1
Q2
R2 R4
To VPC pin through LPF
Bias Point R1 R2 R3 R4
mA
ΩΩΩΩ
100 120 1200 3.6 820
120 120 1200 3.0 820
150 120 1200 2.5 820
180 120 1200 2.0 820
200 120 1200 1.8 820
220 120 1200 1.7 820
240 120 1200 1.6 820
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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 A7 DS060630
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