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參數(shù)資料
| 型號： | BLF348 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 功率晶體管 |
| 英文描述： | ECONOLINE: RM & RL - Single Output Rail- Industry Standard Pinout- 1kVDC & 2kVDC Isolation- High Efficiency for Low Power Applications- UL94V-0 Package Material- Toroidal Magnetics- Fully Encapsulated- Efficiency to 80% |
| 中文描述： | 2 CHANNEL, VHF BAND, Si, N-CHANNEL, RF POWER, MOSFET |
| 封裝： | SOT-262A1, 4 PIN |
| 文件頁數(shù)： | 6/12頁 |
| 文件大?。?/td> | 83K |
| 代理商： | BLF348 |
October 1992
6
Philips Semiconductors
Product specification
VHF linear push-pull power MOS transistor
BLF348
APPLICATION INFORMATION FOR CLASS-A OPERATION
T
h
= 70
°
C; R
th mb-h
= 0.15 K/W unless otherwise specified.
RF performance in a linear amplifier (common source circuit class-A circuit).
R
GS
= 82
per section; optimum load impedance per section = 0.14 + j0.14
.
Note
1.
Three-tone test method (vision carrier
7 dB, sideband signal
16 dB), zero dB corresponds to
peak synchronization level.
Ruggedness in class-A operation
The BLF348 is capable of withstanding a load mismatch corresponding to VSWR = 20 through all phases under the
following conditions:
V
DS
= 28 V; f = 224.25 MHz at rated output power.
MODE OF OPERATION
f
vision
(MHz)
V
DS
(V)
I
D
(A)
T
h
(
°
C)
d
im
(dB)
(note
1
)
52
P
o sync
(W)
G
p
(dB)
class-A
224.25
28
2
×
4.6
70
>
67
typ. 70
typ. 75
>
54
typ. 57
typ. 62
>
11
typ. 12.5
typ. 13
>
11
typ.12.5
typ. 13
224.25
224.25
28
28
2
×
4.6
2
×
4.6
25
70
52
55
224.25
28
2
×
4.6
25
55
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