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PDF BLV45-12 Data sheet ( Hoja de datos )
| Número de pieza | BLV45-12 | |
| Descripción | VHF power transistor | |
| Fabricantes | Philips | |
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DISCRETE SEMICONDUCTORS
DATA SHEET
BLV45/12
VHF power transistor
Product specification
August 1986
http://www.Datasheet4U.com
1 page  
Philips Semiconductors
VHF power transistor
Product specification
BLV45/12
APPLICATION INFORMATION
R. F. performance in c.w. operation (common-emitter circuit; class-B)
f = 175 MHz; Th = 25 °C; Rth mb-h = 0,2 K/W
MODE OF OPERATION
VCE
V
PL
W
narrow band; c.w.
12,5 45
Gp
dB
>
typ.
6,5
8,0
ηC
%
> 55
typ. 67
handbook, full pagewidth
50 Ω
C1 L1
C2
L2
C4
L3
T.U.T.
L6
L8
C7
L10
C3 C5
L4
L5
L7
C6
R1
C8
C9
L9
+VCC
Fig.6 Class-B test circuit at f = 175 MHz.
C10
C11
50 Ω
C12
MGP351
List of components:
C1 = C11 = C12 = 4 to 40 pF film dielectric trimmer (cat.no. 2222 809 07008)
C2 = C10 = 10 pF multilayer ceramic chip capacitor (1)
C3 = 2,5 to 20 pF film dielectric trimmer (cat. no. 2222 809 07004)
C4 = C5 = 91 pF multilayer ceramic chip capacitor (1)
C6 = 820 pF multilayer ceramic chip capacitor (1)
C7 = C8 = 2 × 4,7 pF multilayer ceramic chip capacitors(1) in parallel
C9 = 100 nF polyester capacitor
L1 = strip, 28 mm × 4 mm
L2 = 4 turns Cu wire (1,0 mm); int.dia. 4,0 mm; length 7,5 mm; leads 2 × 3,5 mm
L3 = strip, 22 mm × 6 mm
L4 = 1 turn Cu wire (0,8 mm); int.dia. 3,0 mm; leads 2 × 9 mm
L5 = L9 = Ferroxcube wideband h.f. choke, grade 3B (cat. no. 4312 020 36640)
L6 = strip, 12 mm × 6 mm
L7 = 2 turns enamelled Cu wire (1,6 mm); int.dia. 5,0 mm; length 7,0 mm; leads 2 × 5 mm
L8 = 2 turns enamelled Cu wire (1,6 mm); int.dia. 5,0 mm; length 7,0 mm; leads 2 × 3 mm
L10 = strip, 18 mm × 4 mm
L1, L3, L6 and L10 are strips on a double Cu-clad printed-circuit board with epoxy fibre-glass dielectric,
thickness 1/16 inch.
R1 = 4,7 Ω ± 10%, carbon resistor
Note
1. American Technical Ceramics capacitor type 100B or capacitor of same quality.
August 1986
5
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| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet BLV45-12.PDF ] | |
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