mos field effect power transistor
Tài liệu Junction Field Effect Transistors doc
Ngày tải lên :
13/12/2013, 22:15
... the
field effect transistor and advances in semiconductor
process technology lead to the types in use today.
Field effect transistors include the Junction FET
(JFET) and the MOSFET. The MOSFET ... 276-3375
www.interfet.com
Junction Field Effect Transistors
InterFET Application Notes
Gate
Drain
Source
Gate
P
N
P
P
P
P
N
Drain
Source
P
Gate
Gate
Databook.fxp 1/13/99 2:09 PM Page H-3
Introduction
T
he Junction Field Effect ... Notes
01/99
H-5
G
DS
V
o
V
i
G
S
D
V
o
V
i
G
D
S
V
o
V
i
V
DD
V
SS
V
o
V
i
R
D
Databook.fxp 1/13/99 2:09 PM Page H-5
Introduction
T
he field effect transistor was actually con-
ceived before the more familiar bipolar
transistor. Due to limited technology and later the
rapid...
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Detection of an uncharged steroid with a silicon nanowire field effect transistor
Ngày tải lên :
16/03/2014, 15:23
... nanowire field -effect transistor
5
-3-Ketosteroid isomerase
Steroid
abstract
Among biosensors of various types, the silicon nanowire field -effect transistor (SiNW-FET) is believed to
be the most sensitive ... homepage: www.elsevier.com/locate/snb
Detection of an uncharged steroid with a silicon nanowire field -effect transistor
Ko Shing Chang
a
, Chen Chia Chen
b
, Jeng Tzong Sheu
b,∗∗
, Yaw-Kuan Li
a,∗
a
Department ... BS3-activated surface. The resulting substrate was treated with
AuNP. If the immobilization of KSI
126C is effective, the deposition
of AuNP becomes much increased, presumably through the forma-
tion of...
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laser direct writing of silicon field effect transistor sensors
Ngày tải lên :
06/05/2014, 08:54
... Laser direct writing of silicon field effect transistor sensors
Woongsik Nam,
1,2
James I. Mitchell,
1,2
Chookiat Tansarawiput,
2,3
Minghao ... copyright; see http://apl.aip.org/about/rights_and_permissions
Laser direct writing of silicon field effect transistor sensors
Woongsik Nam, James I. Mitchell, Chookiat Tansarawiput, Minghao Qi, and ... American Institute of
Physics.[http://dx.doi.org/10.1063/1.4794147]
During the past decades, field effect transistor (FET)
sensors, in which the surface potential of the conduction
channel is modulated...
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Tài liệu FIELD INTENSITY and POWER DENSITY doc
Ngày tải lên :
12/12/2013, 09:15
... GHz, power density
(P ) terminology is more often used than field strength.
D
Power density and field intensity are related by equation [1]:
[1]
where P is in W/m , E is the RMS value of the field ... '
E
2
Z
0
'
E
2
50
' 50I
2
4-1.1
FIELD INTENSITY and POWER DENSITY
Sometimes it is necessary to know the actual field intensity or power density at a given distance from a transmitter
instead ... intensity
2
and power density in the far field of a transmitting antenna are in Section 4-2 and Section 4-8. Refer to chapter 3 on
antennas for the definitions of near field and far field.
Note that...
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Tài liệu Field-E ect (FET) transistors ppt
Ngày tải lên :
23/12/2013, 14:15
... PMOS.
Complementary MOS (CMOS)
Complementary MOS technology employs MOS transistors of both polarites as is shown
below. CMOS devices are more difficult to fabricate than NMOS, but many more powerful
circuits ... NMOS, but many more powerful
circuits are possible with CMOS configuration. As such, most of MOS circuits today employ
CMOS configuration and CMOS technology is rapildy taking over many applications ... Spring 2002 64
Depletion-Type MOSFET
The depletion-type MOSFET has a structure similar to the enhancement-type MOSFET
with only one important difference; depletion-type MOSFET has a physically implanted
channel....
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Research on field weakening based on reactive power with BLDC motor for electric vehicle application
Ngày tải lên :
03/01/2014, 19:47
... WITH
BLDC
MOTOR
The electrical machinery power is composed by the active
power and the reactive power[ 9]-[10]. In the static α − β
frame, the active power P
e
and reactive power Q
e
of BLDC
motor which ... control keeping permanent power.
IV. T
HE DRIVE SYSTEM OF FIELD
-
WEAKENING BASED ON
REACTIVE POWER USING
BLDC
MOTOR
The principle of field-weakening based on reactive power
is realized by electrical ... The drive
system is one power core of the electric vehicle, realizing the
vehicles power performance. Along with the new material
technology, the computer technology, the power electronics
technology...
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![Báo cáo Y học: Effect of adenosine 5¢-[b,c-imido]triphosphate on myosin head domain movements Saturation transfer EPR measurements without low-power phase setting ppt](https://media.store123doc.com/images/document/14/rc/vd/medium_vdd1395606111.jpg)
Báo cáo Y học: Effect of adenosine 5¢-[b,c-imido]triphosphate on myosin head domain movements Saturation transfer EPR measurements without low-power phase setting ppt
Ngày tải lên :
24/03/2014, 03:21
... al.(Eur. J. Biochem. 269) Ó FEBS 2002
Effect of adenosine 5¢-[b,c-imido]triphosphate on myosin
head domain movements
Saturation transfer EPR measurements without low -power phase setting
No
´
ra Hartvig
1
,De
´
nes ... the motor function of myosin
heads in the in vitro motility assay is blocked [27,28]. The
most pronounced effect was observed in the intermediate
complex ADP–P
i
[19,20].
Spin label molecules bound ... low microwave power the variance of the
EPR signal would be minimum over the whole field scan at
the out-of-phase setting, the correct phase angle can be
calculated from two high -power spectra...
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Phương pháp thuyết trình dùng Power Point
Ngày tải lên :
18/08/2012, 11:53
... Phương Pháp Thuyết Trình Powerpoint
Phương pháp thuyết trình hiệu quả Powerpoint
Thuyết trình là một kỹ năng rất quan trọng trong quá trình học ... cách thành công thì rõ ràng công chúng sẽ nhìn
nhận bạn một cách rất tích cực.
Sử dụng phần mềm Powerpoint để thuyết trình ngày càng trở nên phổ biến đặc biệt là trong
thời đại kỹ thuật hiện ... xin đưa ra một số mẹo nhỏ có thể
giúp bạn hoàn thành tốt bài thuyết trình của mình khi sử dụng Powerpoint.
1. Có khả năng chỉ bảo thính giả
Khi thuyết trình, để cho an toàn bạn nên chắc chắn...
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Transistor hiệu ứng trường FET Phần 1.pdf
Ngày tải lên :
20/08/2012, 11:16
... thay đổi Q theo t
0
Chương 6
2
6.1 Giới thiệu
Transistor hiệu ứng trường (Field Effect Transistor – FET):
9 JFET: Junction FET
9 MOSFET: Metal-Oxid Semiconductor FET (Insulated-Gate ... thuyết hoạt động của MOSFET
6.3.1 Cấu tạo (n-channel MOSFET):
Nhận xét: Ban đầu chưa có kênh dẫn giữa D và S (enhancement mode)
Cực cổng Gate: Metal – Oxide – Semiconductor (MOS)
Chương 6 ...
Nhận xét: n-JFET: v
GS
≤ 0, V
po
> 0; Enhancement mode n-MOSFET: v
GS
> 0, V
po
< 0
Đặc tuyến VA: JFET: Bậc 3/2 ≈ MOSFET: Bậc 2
⇒ Xem gần đúng cho cả hai loại FET:
2
2
1][
⎟
⎟
⎠
⎞
⎜
⎜
⎝
⎛
+=−=
po
GS
poTNGSnDS
V
v
IVvki
...
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Transistor hiệu ứng trường FET phần 2.pdf
Ngày tải lên :
20/08/2012, 11:16
... FET (i
SD
, v
SD
, v
SG
) tương tự n-channel FET (i
DS
, v
DS
, v
GS
)
6.7.2 Depletion-mode MOSFET:
So sánh:
Khi v
GS
= 0: Enhancement-mode: Không có kênh dẫn giữa D và S
Depletion-mode: ... DCLL: v
DS
≈
(V
DD
/ 2) >> V
GSQ
⇒
R
s1
<< R
s2
Chửụng 6
30
p-channel MOSFET
Caỏu taùo:
ẹaởc tuyeỏn VA:
Chương 6
14
6.6 Giải tích tín hiệu nhỏ
6.6.1 Mạch ... khuếch đại áp ngược: h
r
≈ 0
Chương 6
17
Ví dụ: Xác định A
v
, Z
i
, Z
o
của mạch KĐ dùng MOSFET sau:
Mạch tương đương tín hiệu nhỏ:
Tại D:
Lds
ds
gsm
f
dsgs
Rr
v
vg
R
vv
i
//
+=
−
=
...
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