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標題: 我也来分享一些示波器的资料 [打印本頁]
作者: vili    時間: 2008-9-12 11:12 AM
標題: 我也来分享一些示波器的资料
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FBDIMM
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HDMI( z, J, v- n/ ^4 p2 p
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作者: vili    時間: 2008-9-12 11:14 AM
標題: VoIP一致性、互操作能力和性能測試-Chris Kirk
VoIP一致性、互操作能力和性能測試-Chris Kirk# j+ o: c+ Y% x1 v9 p+ n+ A' m

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作者: vili    時間: 2008-9-12 11:18 AM
標題: ABCs of Probes
Table of Contents
, `. V0 z/ L* I# S" rProbes – The Critical Link To Measurement Quality . . . . . . . . .5
+ M; c7 W1 F( N( i$ r+ T* Q9 b) VWhat is a Probe? . . . . . .5
. {8 a8 C! u1 K1 wThe Ideal Probe . . . . . . .6! Y; Y" ^' G. @/ W1 ^; c
The Realities of Probes . 7
' i3 A: f1 K, [! D4 G5 O2 m; DChoosing the Right Probe .10
+ C- X/ P  C# H2 `0 Y/ h$ ESome Probing Tips . . . .11
3 Q' I' f0 ~$ ?; G- `( D9 f# KSummary 12
" Q7 R' m7 {! n& ~& s0 @Different Probes for Different Needs . . . . . . . . .13
% X. g" k( B) }# n; x4 ]Why So Many Probes? .13; |- v% m2 s; B" Z; C+ y
Different Probe Types and Their Benefits . . . . . . . .14
% F2 Y9 g: n8 I  C" H& L9 [Floating Measurements .19
+ S0 Z! Y/ f# s, w* W( C% xProbe Accessories . . . .20
. t& I3 n1 [1 ~) r( B- OHow Probes Affect Your Measurements . . . . . . 22
3 l$ |. B3 E5 Q$ LThe Effect of Source Impedance . . . . .22
8 B  J2 ?+ M- I% M3 _; VCapacitive Loading . . . .22$ U$ H! @$ Z0 _. H
Bandwidth Considerations 24. t4 L* Y3 i7 ^/ r! e
What To Do About Probing Effects . . . .28
9 J! P' X7 o/ M* F* NUnderstanding Probe Specifications . . . . . . . .29
2 O4 x, |$ f  g1 n! [Aberrations (universal) . 29
# e! C  K0 Q% Y$ t  |& p) @Amp-Second Product (current probes) .293 {, N( w/ E5 t2 @
Attenuation Factor (universal) . . . . . . .29/ k9 \; G/ Y' L, ?
Accuracy (universal) . . .29( J' Y% L! Z; {6 ^. e
Bandwidth (universal) . .30
3 N6 e+ m" I% _9 x+ k2 E. VCapacitance (universal) .30
' B6 A1 J! M) E0 f- ~2 g) c. hCMRR (differential probes) . . . . . . . . .30
! m; i: y( C1 e, f! q: W! ~CW Frequency Current Derating (current probes) . . .31- X9 ]  l, [( U6 x
Decay Time Constant (current probes) .315 f8 X, |1 w4 S6 f- N
Direct Current (current probes) . . . . . .31
) ^0 D2 l% N- g4 y/ \Insertion Impedance (current probes) . .314 @: o. c. E" F7 W  Z7 w
Input Capacitance (universal) . . . . . . . .31
# T0 }+ D& \5 g3 c, w8 u* _Input Resistance (universal) . . . . . . . . .310 l0 {' I& g! A- Y, P7 o# S( f% d: e
Maximum Input Current Rating (current probes) . . .31" s1 ]0 q6 w. V9 H( n
Maximum Peak Pulse Current Rating (current probes) .31: W; Z+ `% U/ y
Maximum Voltage Rating (universal) . . .31$ w3 R8 }, w% R6 f9 J, m. j
Propagation Delay (universal) . . . . . . .318 [% Y- k7 O4 o- F
Rise Time (universal) . .31
. R& d6 ^, {  ^" JTangential Noise (active probes) . . . . .311 e0 a$ {+ t) u3 S
Temperature Range (universal) . . . . . .31
) ^/ j: q/ W0 T* |9 FA Guide to Probe Selection . . . . . . .32
) M( ?9 Y( K' b* G+ F2 X1 ^Understanding the Signal Source . . . . .32/ c. l* y# z! M! s( O4 `# r6 ~
Oscilloscope Issues . . .34
  l/ w1 A$ C1 oSelecting the Right Probe 359 i, I; _" X' u3 _
Advanced Probing Techniques . . . .36
5 I) z' p2 t5 i; v% z5 RGround Lead Issues . . .360 S+ I" D# |4 z) C3 v) v
Differential Measurements . . . . . . . . .39
) _" |9 @6 o* t. @3 F: WSmall Signal Measurements . . . . . . . . 427 w! X% F# U  L9 L
Explanation of Safety Precautions .44
& R  ?2 \) g( d4 e1 r. ZObserve All Terminal Ratings . . . . . . . 449 t. l, ^1 H6 f: ?9 j
Use Proper Grounding Procedures . . . .44
) m, ~1 E7 O; H: d- B, qConnect and Disconnect Probes Properly . . . . . . . .44
" O$ ^. f# u- IAvoid Exposed Circuitry . .45
1 e, J7 o$ M" J$ xAvoid RF Burns While Handling Probes .45
3 Z6 G" N/ W8 b6 @! `Do Not Operate Without Covers . . . . . .45  R9 M; u& N5 U" N
Do Not Operate in Wet/Damp Conditions . . . . . . . .45
7 k' B0 v1 M4 `! i# O$ x; NDo Not Operate in an Explosive Atmosphere . . . . . .45
8 Y) `6 E/ p, |% wDo Not Operate with Suspected Failures . . . . . . . . .45: D: D1 e2 c# F8 V7 \4 C' Q6 D
Keep Probe Surfaces Clean and Dry . . .45
! Y/ L4 B1 s: E% eDo Not Immerse Probes in Liquids . . . .45
& x% Z) G8 c2 m  k' ^Glossary
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作者: vili    時間: 2008-9-12 11:28 AM
標題: A Guide to Digital Television Systems and Measurements
ABCs of Probes          
5 p# t" y+ u0 n" I1. Introduction ....1
8 H: {- Z  `2 O4 ^  u2. Digital Basics  ....3
9 W" r4 n# r$ n  V$ Y6 Q9 [, PComponent and Composite (analog).... 3
7 t2 s7 o6 z" y1 H* a. rSampling and Quantizing .... 4
' g. ~, X6 A* j9 x* g1 ZDigital Video Standards.... 43 \9 }* o5 p9 x$ ]5 o/ A1 U' o6 V% [
Serial Digital Video .... 80 A8 y: J; z& b  E/ g
Rate Conversion – Format conversion ....107 F% E* |$ o3 G9 ^
3. Digital Audio ......11& n+ x5 ^- p1 c  |! j$ l
AES/EBU Audio Data Format ....11! r  X( K4 h( y' [9 }! V# t
Embedded Audio....11
* v! @( U* @1 V: o$ B4. System Hardware and Issues .... 19
  J+ ^9 B& t) b/ VCable Selection ....199 q! I- n& k* \8 l9 h7 ^$ {
Connectors ....19
6 Q3 C3 O2 e( M2 z5 qPatch Panels ....19  h; \: u: ^6 c5 ]: ?) M# {- M
Terminations and Loop-throughs ....19
) w. y1 t4 g0 O5 Y+ D2 ^! W1 `Digital Audio Cable and Connector Types .... 20
$ Q- B% S+ G1 |, G; ISignal Distribution, Reclocking .... 20
0 x, ^2 U" E9 ^! WSystem Timing ....20
; B! F+ H( d$ o5. Monitoring and Measurements .... 23' L$ P+ z) q* K, E1 c8 S
6. Measuring the Serial Signal....25
! P2 f5 x9 u! a* `4 v; ]& Q  VWaveform Measurements .... 25) R( V) Y" p5 o- n9 x% |
Measuring Serial Digital Video Signal Timing ....26, R- D# N% @  v
7. Definition and Detection of Errors .... 29  @; I) \, R7 q: x7 K( {' W
Definition of Errors .... 29: Z% ]9 Z. v3 b& ]: M# B
Quantifying Errors ....30' \5 z/ E) ^- d, H& k8 s
Nature of the Studio Digital Video Transmission Systems ....30+ L( Q* L7 k% ^
Measuring Bit Error Rates ....32: a; u: y. `, l9 m7 w
An Error Measurement Method for Television....32  b1 T0 o, u. x4 L, t5 a
System considerations• • • • • •• • •• • 33
7 Z9 h5 v" U! q8 X, |$ W( l) M8. Jitter Effects and Measurements • • • • • •• 35
! Z; f2 l6 E& b8 f2 XJitter in Serial Digital Signals • • • • • • • • 35+ o" L: T1 M6 {/ P
Measuring Jitter • • • • • • • • • 379 i! S. x0 y7 z, e9 @( a& D
9. System Testing • • • • • • • 39/ `' z6 S4 T' B
Stress Testing • • • •  • • • • • • 39  g, @+ i" {* c, i. P) h1 Z
SDI Check Field • •  • • • • • 396 Y4 s( E7 \9 J' |
10. Bibliography• • • • • • • • • 42
* ~6 G  \: [( V! `$ _, WArticles and Books• • • • • • • 42
* I1 d" ], c3 r/ l2 W, F+ dStandards • • • • • • • • • 436 f' L9 n; ~% X: Y& E
11. Glossary • •• • •
作者: vili    時間: 2008-9-12 11:31 AM
標題: MPEG-2 Decoder Design & Test
MPEG-2 Decoder Design & Test
作者: vili    時間: 2008-9-12 11:33 AM
標題: A Guide to MPEG Fundamentals and Protocol Analysis
A Guide to MPEG Fundamentals and Protocol Analysis2 v8 Y* Z4 u2 \$ q
(Including DVB and ATSC)
作者: vili    時間: 2008-9-12 11:34 AM
標題: Jitter Analysis:
Jitter Analysis:% y: B; o) Z0 v0 g8 Z% Z6 r
Accuracy
9 f( G/ P& M2 ?. d) D3 e1 qResolution2 j$ B2 m+ ?2 x( E
Jitter Noise Floor
* s+ p. N0 \$ Z/ b$ _Delta Time Accuracy
作者: vili    時間: 2008-9-12 11:36 AM
標題: Resolving Jitter Issues in Your Designs
The Most Comprehensive, Convenient and Cost-Effective Answer to Resolving Jitter Issues in Your Designs
作者: PerformanceB    時間: 2008-12-15 12:52 PM
標題: 回復 2# 的帖子
thanks for your share . great!!!!!!!!!!!!!!!!!!
作者: bear_poppy    時間: 2009-5-3 08:54 PM
感謝大大的分享阿
" R% C% T$ o$ d$ O. T; v在公司用到
! F0 g2 |6 t/ W所以趕緊來看看囉% z" ]( J8 Z& b7 p
``~~~
作者: t69292000    時間: 2009-8-9 11:12 AM
測試儀器的使用也是一門大學問!!!  謝謝大大的分享!!!  感謝至極!!!



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