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混合信号测量
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o# n, g, Y; ?内容并不限于混合信号系统测试,而是一般芯片或模块测试的全过程,只是以ADC和DAC为例说明芯片外特性测试的全过程。本章更多地是讲测试中的数据处理方法,间或涉及到测试电路" w) }/ y4 o9 \
; r6 ~( s8 A% u" l" N8 {+ z I. What is Mixed Signal
$ P* k8 _3 D1 b2 a8 s# s II. Mixed Signal Test Parameters/ }& h7 a/ y: A4 E: [# P
III. Signal Generation
+ k, n2 b6 r. Z. {' S+ m. {9 v V4 P5 ^ IV. Signal Capture
5 ~; Q6 L5 _3 {. G8 H V. Fast Fourier Transform
4 v' Z% ]. a% {* p) m% o VI. Testing Digital-to-Analog Converters
" N: |! U: P2 R" S { VII. Testing Analog-to-Digital Converters0 v2 r4 G9 N* `$ f# P6 q
1 C: \! V g7 x. }6 ?7 [6 b Music CD
0 i- R, m' _3 e2 X7 W Analog information is processed in digital form
2 @5 t( k8 L! f; m+ v: [5 p$ S Modem
( |) _9 d h+ \$ a Digital information is processed in analog form7 ^! V( }- |5 J4 Q; n/ Y
Mixed Signal System
" x) M' _1 C I; g, N8 T Processes analog information in digital form; or! L$ m# z' h) n- s0 O
Processes digital information in analog form; or/ ] ^# [$ }+ M* R$ \7 p
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Mixed Signal Device
! b# B, j6 I9 n1 T Operates across digital and analog domains by representing 0 c5 T. t' V5 P) B& R1 ? p" V, p
or processing either analog or digital information in either
8 w+ Z: W/ `6 l& g/ x+ Nanalog or digital form; S6 }% v, |. O/ y0 t
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