參數(shù)資料
型號: MBC13900T1
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 小信號晶體管
英文描述: L BAND, Si, NPN, RF SMALL SIGNAL TRANSISTOR
封裝: ULTRA SMALL, PLASTIC, CASE 318M-01, SC-70, 4 PIN
文件頁數(shù): 4/24頁
文件大小: 691K
代理商: MBC13900T1
Applications Information
MBC13900 Technical Data, Rev. 1.1
12
Freescale Semiconductor
Figure 21. 1900 MHz LNA Board Layout
Table 6. Typical 1900 MHz LNA Performance
VCC
IC
(mA)
NF
(dB)
50
Insertion
Gain (dB)
Output IP3
(dBm)
Input Return
Loss (dB)
Output Return
Loss (dB)
3.0
5.0
1.28
14
19
10.4
10.7
3.5
6.1
1.29
14.4
20.2
10.8
11
Gnd
V
CC
C1
R
1
C4
R
5
L2
C2
R3
C5
R2
R
4
L
1
C
6
C3
R6
Component Value
Comments
C1
1.0 F
Optional Bypassing
C2
22 pF
DC Block and output match
C3
22 pF
DC Block and input match
C4
0.01 F
RF and IM subharmonic short to ground
C5
1.0 F
RF and IM subharmonic short to ground
C7
0.6 pF
Input match, RF / S11 compromise
L1
8.2 nH
Bias decoupling, input match
L2
3.3 nH
Output match, bias decoupling
L3
<0.5 nH
Emitter L on board (distance to GND vias)
L4
1.2 nH
S11
R1
133
Bias
R2
49.9 k
Bias
R3
8.2
Stability and S22 improvement
R4
0
Jumper
R5
4.7
Stability, Gain, S22
Vias
D = 15 mil
PCB
FR4
ε
r=4.5, h=25 mil, t=1.75 mil
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