BLF145 NXP Semiconductors, BLF145 Datasheet - Page 10
BLF145
Manufacturer Part Number
BLF145
Description
Silicon N-channel enhancement mode vertical D-MOS transistor designed for SSB transmitter applications in the HF frequency range
Manufacturer
NXP Semiconductors
Datasheet
1.BLF145.pdf
(15 pages)
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NXP Semiconductors
List of components (see Fig.14)
Notes
1. American Technical Ceramics (ATC) capacitor, type 100B or other capacitor of the same quality.
2. The striplines are on a double copper-clad printed circuit board, with epoxy dielectric (
handbook, full pagewidth
C1, C2
C3, C6
C4, C5
C7, C10
C8, C9
C11
C12
L1
L2, L3
L4
L5
L6
R1
R2
COMPONENT
HF power MOS transistor
f = 28 MHz.
input
50
film dielectric trimmer
multilayer ceramic chip capacitor
multilayer ceramic chip capacitor; note 1
multilayer ceramic chip capacitor; note 1
film dielectric trimmer
multilayer ceramic chip capacitor
electrolytic capacitor
13 turns enamelled 0.5 mm copper wire
stripline; note 2
10 turns enamelled 1 mm copper wire
9 turns enamelled 1 mm copper wire
grade 3B Ferroxcube wideband HF choke
0.5 W metal film resistor
0.25 W metal film resistor
C1
C2
DESCRIPTION
L1
Fig.14 Test circuit for class-AB operation.
V G
R1
C3
L2
Rev. 04 - 5 January 2007
D.U.T.
L3
C6
5 to 60 pF
100 nF
27 pF
39 pF
7 to 100 pF
3
2.2 F, 63 V
415 nH
30
390 nH
245 nH
34
10
L4
VALUE
100 nF
R2
C4
L6
C5
L5
length 10 mm;
int. dia. 5 mm
length 15
length 13 mm;
int. dia. 7 mm
length 10 mm;
int. dia. 5 mm
DIMENSIONS
C11
C7
C8
C10
C9
6 mm
C12
r
= 4.5), thickness 1.6 mm.
V D
MGP045
output
50
Product specification
2222 809 07011
2222 852 47104
2222 809 07015
2222 852 47104
2222 030 38228
4312 020 36640
CATALOGUE NO.
BLF145
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