EDN_2012_i03.pdf

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FEB 2

The cows do the

tipping Pg 50

Issue 3/2012

www.edn.com

Kodak’s travails

provide multiple

lessons Pg 10

Signal Integrity Pg 18

Supply Chain Pg 46

VOICE OF THE ENGINEER

Design Ideas Pg 39

POWER MOSFETs

THANKS TO

WAFER THINNING

AND INNOVATIVE

PACKAGING Page 24

CONTINUE TO EVOLVE

Exploiting

subthreshold MOSFET

behavior in analog

applications

Page 20

Balancing GBWP

and quiescent current

for dissipation

optimization

Page 30

Small-signal

bandwidth in a

Big Ba ndwidth era

Page 35

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contents

2.2.12

Power MOSFETs

continue to

evolve, thanks

to wafer thinning

and innovative

packaging

24 Increases in

Exploiting

subthreshold

MOSFET

behavior

in analog

applications

20 You can now

power-MOSFET

performance now

come not just from tweaks in

the silicon device’s structure

but also—and more signifi-

cantly—from innovations in

manufacturing processes

and packaging.

by Margery Conner,

Technical Editor

spin MOSFETs’

“unusable” leakage current

into “gold.”

by Robert Chao,

Advanced Linear Devices Inc

Balancing GBWP and

quiescent current for

dissipation optimization

30 Minimizing power dissipation

Small-signal bandwidth

in a Big Bandwidth era

35 Understand the interplay

120

100

80

60

40

20

0

− 20

A OL (F) (dB)

L(F)

GAIN

(dB)

G DC = 100

between bandwidth and op-amp

specifications.

in analog applications requires

a careful balance between GBWP and

quiescent current.

by Bill Laumeister,

Maxim Integrated Products

0.001

0.01

0.1

1

10

100

1000

10,000

100,000

FREQUENCY (Hz)

by Namrata Pandya,

Microchip Technology Inc

COVER IMAGE: SHUTTERSTOCK/YOSHI HOHOKABE

DESIGN IDEAS

39 Stable pulse generator uses matched transistors in a current mirror

Q 1

Q 2

42 Implement an audio-frequency tilt-equalizer filter

BC856

BC856

R 1

1k

45 Circuit provides 70 dB of AGC

D 2

RB751

Find out how to submit your own Design Idea: http://bit.ly/DesignIdeasGuide.

[ www.edn.com ]

FEBRUARY 2, 2012 | EDN 5

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Plik z chomika:

Inne pliki z tego folderu:

EDN_2012_i18.pdf (18776 KB)
EDN_2012_i01.pdf (10899 KB)
EDN_2012_i02.pdf (19876 KB)
EDN_2012_i03.pdf (16553 KB)
EDN_2012_i05.pdf (16377 KB)

Inne foldery tego chomika:

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