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PDF ( 数据手册 , 数据表 ) BF1212

零件编号 BF1212
描述 N-channel dual-gate MOS-FETs
制造商 NXP Semiconductors
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BF1212 数据手册, 描述, 功能
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DISCRETE SEMICONDUCTORS
DATA SHEET
BF1212; BF1212R; BF1212WR
N-channel dual-gate MOS-FETs
Product specification
2003 Nov 14







BF1212 pdf, 数据表
www.DataSheet4U.com
Philips Semiconductors
N-channel dual-gate MOS-FETs
Product specification
BF1212; BF1212R; BF1212WR
handbook,3h0alfpage
IG1
(µA)
20
10
MLE241
(1)
(2)
(3)
(4)
(5)
handbook, h0alfpage
gain
reduction
(dB)
20
40
MLE242
0
02 4 6
VG2-S (V)
(1) VGG = 5 V.
(2) VGG = 4.5 V.
(3) VGG = 4 V.
(4) VGG = 3.5 V.
(5) VGG = 3 V.
VDS = 5 V; Tj = 25 °C.
RG1 = 150 k
(connected to VGG);
see Fig.21.
Fig.13 Gate 1 current as a function of gate 2
voltage; typical values.
60
01234
VAGC (V)
VDS = 5 V; VGG = 5 V; RG1 = 150 k(connected to VGG);
see Fig.21; f = 50 MHz; Tamb = 25 °C.
Fig.14 Typical gain reduction as a function of AGC
voltage.
handboo1k,2h0alfpage
Vunw
(dBµV)
110
MLE243
handbook,1h6alfpage
ID
(mA)
12
MLE244
100 8
90 4
80
0 10 20 30 40 50
gain reduction (dB)
VDS = 5 V; VGG = 5 V; RG1 = 150 k(connected to VGG);
see Fig.21; f= 50 MHz; funw = 60 MHz; Tamb = 25 °C.
Fig.15 Unwanted voltage for 1% cross-modulation
as a function of gain reduction; typical
values.
0
0 10 20 30 40 50
gain reduction (dB)
VDS = 5 V; VGG = 5 V; RG1 = 150 k(connected to VGG);
see Fig.21; f= 50 MHz; Tamb = 25 °C.
Fig.16 Drain current as a function of gain
reduction; typical values.
2003 Nov 14
8














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