參數(shù)資料
型號(hào): MBC13900T1
廠商: MOTOROLA INC
元件分類: 小信號(hào)晶體管
英文描述: NPN Silicon Low Noise Transistor
中文描述: L BAND, Si, NPN, RF SMALL SIGNAL TRANSISTOR
封裝: ULTRA SMALL, PLASTIC, CASE 318M, SC-70, 4 PIN
文件頁(yè)數(shù): 12/26頁(yè)
文件大?。?/td> 813K
代理商: MBC13900T1
12
MBC13900 Technical Data
For More Information On This Product,
Go to: www.freescale.com
MOTOROLA
Applications Information
Figure 20. 1900 MHz LNA Schematic
Figure 21. 1900 MHz LNA Board Layout
Table 5. Typical 1900 MHz LNA Performance
V
CC
I
C
(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
C3
L1
R4
R3
C2
C4
V
CC
C1
R1
R2
RF In
RF Out
R5
L2
L4
C7
Gnd
V
CC
C1
R
C4
R
L
C2
R3
C5
R2
R
L
C
C3
R6
Component Value
C1
C2
C3
C4
C5
C7
L1
L2
L3
L4
R1
R2
R3
R4
R5
Vias
PCB
Comments
Optional Bypassing
DC Block and output match
DC Block and input match
RF and IM subharmonic short to ground
RF and IM subharmonic short to ground
Input match, RF / S
compromise
Bias decoupling, input match
Output match, bias decoupling
Emitter L on board (distance to GND vias)
S
Bias
Bias
Stability and S
22
improvement
Jumper
Stability, Gain, S
22
D = 15 mil
ε
r
=4.5, h=25 mil, t=1.75 mil
1.0 μF
22 pF
22 pF
0.01 μF
1.0 μF
0.6 pF
8.2 nH
3.3 nH
<0.5 nH
1.2 nH
133
49.9 k
8.2
0
4.7
FR4
F
Freescale Semiconductor, Inc.
n
.
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