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PDF DB-499D-470 Data sheet ( Hoja de datos )

Número de pieza DB-499D-470
Descripción RF power amplifier using 1 x START499D NPN RF silicon transistor
Fabricantes ST Microelectronics 
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DB-499D-470
RF power amplifier using 1 x START499D
NPN RF silicon transistor
Preliminary Data
Features
Excellent thermal stability
Frequency: 430 - 470 MHz
Supply voltage: 3.6 V
Output power: 29 dBm
Power gain: 19 dB
Efficiency: 52 %
BeO free amplifier
Description
The DB-499D-470 is a NPN silicon RF power
amplifier designed for UHF 2-way radio
applications
Mechanical specification:
L = 60 mm, W = 30 mm
".W
Table 1.
Device summary
Order codes
DB-499D-470
February 2009
Rev 1
This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to
change without notice.
1/11
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DB-499D-470 pdf
www.DataSDhBee-t449U9.cDom-470
4 Test circuit
Table 4. Test circuit schematic
Test circuit
".W
Table 5. Components part list for DB-499D-470
Component ID Description
Value
Case size Manufacturer
Part code
C1
Capacitor
10 µF
0603
MURATA
GRM188R60J106ME47
C2
Capacitor
10 nF
0603
MURATA
GRM188R71H103KA01
C3
C5, C7
Capacitor
Capacitor
100 nF
1000 pF
0603
0603
MURATA
MURATA
GRM188R71H104KA01
GRM188R71H102KA01
C4,C6,C8,C11
Capacitor
100 pF
0603
MURATA
GRM1885C1H101JA01
C9
Capacitor
12 pF
0603
MURATA
GRM1885C1H120JA01
C10
Capacitor
15 pF
0603
MURATA
GRM1885C1H150JA01
L1
Inductor
47 nH
0603
Coilcraft
0603HP-47NXJL
L2
Inductor
22 nH
1812
Coilcraft
1812SMS-22NJLB
L3
Inductor
8.2 nH
0603
Coilcraft
0603HP-8N2XJL
L4
Inductor
2.55 nH
0906
Coilcraft
0906-3JLB
B1, B2
R1
Ferrite Bead
Resister
470 Ω
0603
0603
PANASONIC
EXCELDRC35C
R2
Potentiometer
10 kΩ
Bourns electronics
3214W-1-103E
R3
Resister
4.7 Ω
0603
TL1 L = 14 mm W=0.9 mm
TL2 L = 2 mm W=0.9 mm
Transmission line
TL3 L = 3.6 mm W=0.9 mm
TL4 L = 12.5 mm W=0.9 mm
BJT1
BJT
STMicroelectronics
START499D
Board
FR4 Er=4.5 THk = 0.020" 1 OZ Cu both sides
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