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BLF574 Datasheet(PDF) 5 Page - NXP Semiconductors

Part # BLF574
Description  HF / VHF power LDMOS transistor
PDF  18 Pages
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Manufacturer  PHILIPS [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

BLF574 Datasheet(HTML) 5 Page - NXP Semiconductors

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BLF574_2
© NXP B.V. 2009. All rights reserved.
Product data sheet
Rev. 02 — 24 February 2009
5 of 18
NXP Semiconductors
BLF574
HF / VHF power LDMOS transistor
7.
Application information
7.1 RF performance
RF performance in a 500 W application circuit at 225 MHz.
7.1.1 1-Tone CW
VDS = 50 V; IDq = 1000 mA; f = 225 MHz.
VDS = 50 V; f = 225 MHz.
(1) IDq = 400 mA
(2) IDq = 600 mA
(3) IDq = 800 mA
(4) IDq = 1000 mA
(5) IDq = 1200 mA
(6) IDq = 1400 mA
(7) IDq = 1800 mA
Fig 2.
Power gain and drain efficiency as functions of
load power; typical values
Fig 3.
Power gain as function of load power; typical
values
001aaj127
PL(PEP) (W)
0
600
400
200
26
24
28
30
Gp
(dB)
22
40
20
60
80
0
ηD
(%)
Gp
ηD
PL (W)
0
500
400
200
300
100
001aaj128
26
24
28
30
Gp
(dB)
22
(7)
(6)
(5)
(4)
(3)
(2)
(1)



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