Introduction to Electronics - Part 2 docx

... current : Introduction to Electronics 13 Amplifier Cascades + - v i1 A voc1 v i1 + - R i1 R o1 i i1 + - v o1 = v i2 A voc2 v i2 + - R i2 R o2 i i2 i o2 v o2 + - Amplifier 1 Amplifier 2 Fig. 25 . ... as fast as we need it to be (i.e., infinitely fast). Introduction to Electronics 27 Differential Amplifiers + - + - + - + - v I1 v I2 v I...

Ngày tải lên: 14/08/2014, 02:21

... ($/kg) E-glass 72. 4 2. 4 2. 6 2. 54 28 .5 0.95 1.1 S-glass 85.5 4.5 2. 0 2. 49 34.3 1.8 22 –33 aramid 124 3.6 2. 3 1.45 86 2. 5 22 –33 boron 400 3.5 1.0 2. 45 163 1.43 330–440 HS graphite 25 3 4.5 1.1 1.80 140 2. 5 ... very ex- pensive and largely restricted to R&D laboratories. Polymers are much more commonly used, with unsaturated styrene-hardened polyesters having the m...

Ngày tải lên: 11/08/2014, 09:20

... for all versions I OH mA -1 .0 -0 .36 -4 .0 -4 .0 -2 4 -2 4 I OL mA 2. 4 0.36 4.0 4.0 24 24 I IH µ A 1.0 1.0 1.0 1.0 1.0 1.0 I IL mA -1 .0 -1 .0 -1 .0 -1 .0 -1 .0 -1 .0 V OH V 2. 5 2. 4 3.5 3.5 3.7 3.7 V OL V ... 74F04 parameter unit standard S Schottky LS low-power S AS advanced S ALS advanced LS F FAST t PD ns 10 3 10 2 4 3 P static mW101 927 14 I O...

Ngày tải lên: 14/08/2014, 02:21

... peo- ple say, "I can't think of anything to write about." That's strange, because life is fascinating. The solution is to open yourself to experience. To look around. To describe what ... one -to- one correspondence exists be- tween strategy and purpose. A specific strategy may be adapted to various purposes. The question/answer mode of organizing, for example,...

Ngày tải lên: 26/01/2014, 00:20

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Ngày tải lên: 06/05/2014, 11:16

... to wait. Write a program to see if your conjecture is right. 2. 2. CONTINUOUS DENSITY FUNCTIONS 65 -1 -0 .5 0.5 1 1.5 2 0 .2 0.4 0.6 0.8 1 -1 -0 .5 0 0.5 1 1.5 2 0 .25 0.5 0.75 1 1 .25 1.5 1.75 2 F ... - z 1 - z 1 - z 1 - z E Figure 2. 19: Calculation of F Z . 20 40 60 80 100 120 0.005 0.01 0.015 0. 02 0. 025 0.03 f (t) = (1/30) e - (1/30) t...

Ngày tải lên: 04/07/2014, 10:20

... Allergy 20 05; 60:583–601. 42. Hamilos DL. Chronic sinusitis. J Allergy Clin Immunol 20 00; 106 :21 3 22 7. 43. Hamilos DL. Non infectious sinusitis. Allergy Clin Immunol Int 20 01; 13: 27 – 32. 44. Hamilos ... of da ta with one rota- tion of the X-ray tube. For example, 16-slice MC-CT equipment has a 16-fold capacity to collect image data per X-ray tube rotation compared to a SC-CT...

Ngày tải lên: 10/08/2014, 03:20

... a position r =  x 2 + y 2 + z 2  1 /2 can be shown to be Ω 1 (r)= β 3 √ π exp(−β 2 r 2 )= β 3 √ π exp  −β 2  x 2 + y 2 + z 2  The parameter β is a scale factor related to the number of units ... moved to x 2 = λ x x, y 2 = λ y y,z 2 = λ z z. The configurational probability of a segment being found in this stretched state is then Ω 2 = β 3 √ π exp  −β 2...

Ngày tải lên: 11/08/2014, 09:20

... The total stress acting upward on the punch face is therefore σ 1 = p + k =2k  1+ π 2  The ratio of punch pressure to the tensile yield strength 2k is σ 1 2k =1+ π 2 =2. 571 The factor 2. 571 ... strain in the 1-3 plane, with no strain in the 2- direction. There is a Poisson stress in the 2- direction, given by  2 =0= 1 E [σ 2 − ν(σ 1 + σ 3 )] Since ν =1 /2 in plastic flow,...

Ngày tải lên: 11/08/2014, 09:21