參數(shù)資料
型號: 934031850112
廠商: NXP SEMICONDUCTORS
元件分類: 功率晶體管
英文描述: 2 CHANNEL, VHF BAND, Si, N-CHANNEL, RF POWER, MOSFET
封裝: CERAMIC PACKAGE-4
文件頁數(shù): 18/21頁
文件大?。?/td> 179K
代理商: 934031850112
1996 Oct 21
6
Philips Semiconductors
Product Specication
VHF push-pull power MOS transistor
BLF278
APPLICATION INFORMATION
Class-B 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 specied. RGS =4 per section; optimum load impedance per section = 3.2 + j4.3 (VDS = 50 V).
Ruggedness in class-B 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 = 108 MHz at rated load power.
MODE OF OPERATION
f
(MHz)
VDS
(V)
IDQ
(A)
PL
(W)
Gp
(dB)
ηD
(%)
CW, class-B
108
50
2
× 0.1
300
>20
typ. 22
>60
typ. 70
CW, class-C
108
50
VGS = 0
300
typ. 18
typ. 80
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