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BLF278 Datasheet(PDF) 13 Page - NXP Semiconductors

Part # BLF278
Description  VHF push-pull power MOS transistor
PDF  21 Pages
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Manufacturer  PHILIPS [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

BLF278 Datasheet(HTML) 13 Page - NXP Semiconductors

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1996 Oct 21
13
Philips Semiconductors
Product Specification
VHF push-pull power MOS transistor
BLF278
Class-AB operation
RF performance in CW operation in a common source push-pull test circuit. Th =25 °C; Rth mb-h = 0.15 K/W unless
otherwise specified. RGS = 2.8 Ω per section; optimum load impedance per section = 0.74 + j2 Ω; (VDS = 50 V).
Ruggedness in class-AB operation
The BLF278 is capable of withstanding a load mismatch corresponding to VSWR =7:1 through all phases under the
conditions: VDS = 50 V; f = 225 MHz at rated output power.
MODE OF OPERATION
f
(MHz)
VDS
(V)
IDQ
(A)
PL
(W)
Gp
(dB)
η
D
(%)
CW, class-AB
225
50
2
× 0.5
250
>14
typ. 16
>50
typ. 55



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