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PDF STAC2942B Data sheet ( Hoja de datos )
| Número de pieza | STAC2942B | |
| Descripción | RF power transistors HF/VHF/UHF N-channel MOSFETs | |
| Fabricantes | ST Microelectronics | |
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STAC2942B
RF power transistor:
HF/VHF/UHF RF power N-channel MOSFETs
Datasheet - production data
Features
• Gold metallization
• Excellent thermal stability
• Common source push-pull configuration
• POUT = 350 W min. with 21 dB gain @ 175 MHz
• In compliance with the 2002/95/EC European
directive
STAC244B
Air cavity
Figure 1. Pin connection
Description
The STAC2942B is a gold metallized N-channel
MOS field-effect RF power transistor, intended for
use in 50 V DC large signal applications up to 250
MHz.
1
1
2
3
3
1. Drain
2. Source (bottom side)
3. Gate
Table 1. Device summary
Order code
Marking
Package
STAC2942BW
(1)
STAC2942
STAC244B
1. For more details please refer to Chapter 7: Marking, packing and shipping specifications.
Packaging
Plastic tray
January 2014
This is information on a product in full production.
DocID15501 Rev 7
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1 page  
STAC2942B
3 Impedance
Figure 2. Current conventions
Impedance
Note:
Freq. (MHz)
175 MHz
Table 6. Impedance data
ZIN (Ω)
2.0 - j2.0
Measured gate to gate and drain to drain, respectively.
ZDL(Ω)
3.5 + j5.2
DocID15501 Rev 7
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STAC2942B
Test circuit
Component
R3, R4
B1
B2
T1
T2
L1
FB1,FB5
FB2, FB6
FB3, FB4
PCB
Table 7. 175 MHz test circuit component list (continued)
Description
270 Ω 1/2 W axial lead resistor
RG-316 50 Ω 11.8" through ferrite toroid
RG-142 50 Ω 11.8"
4:1, RG-316 25 Ω, 5.9", 2 turns thru ferrite core
1:4, 25 Ω semi-rigid cable, OD .141", 5.9"
λ/4 inductor, RG-142 50 Ω, 11.8", 3 turns thru ferrite toroid
Ferrite toroid
Multi-aperture core
Surface mount ferrite bead
Rogers ultralam 2000, Er 2.55, .060"
Figure 14. Circuit layout
DocID15501 Rev 7
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| Páginas | Total 16 Páginas | |
| PDF Descargar | [ Datasheet STAC2942B.PDF ] | |
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