Broadband Circuits for Optical Fiber Communication phần 3 ppt

... cinema very often. 23 (You go) into the office every month? 24 I (not study) at the moment. 31 Present Continuous: short answers 34 Verbs 32 Present Simple: short answers FORM Positive Negative Notes ã ... since 1990. Practice 43a Circle for or since in each sentence. 1 I've worked here t(fori/since) six years. 2 I lived here [for/ since) three months. 3 I've worked in...

Ngày tải lên: 24/07/2014, 09:21

... occurred because after the appropriate case statement is matched to the switch variable, the switch structure continues processing each case statement thereafter. 72 C Programming for the ... 'a' ) Checking for a Range of Values Checking for a range of values is a common programming practice for input validation. You can use compound conditions and relati...

Ngày tải lên: 05/08/2014, 09:45

... class; components in other assemblies cannot. 0 436 01-X Ch 03. F 10/18/01 11:58 AM Page 53 ⁄ Click Start ➪ Programs ➪ Microsoft Visual Studio .NET 7.0 Microsoft Visual Studio .NET 7.0. Ô Click New Project in ... in another language such as Visual Basic. 57 0 436 01-X Ch 03. F 10/18/01 11:58 AM Page 57 ⁄ Click Start ➪ Programs ➪ Microsoft Visual Studio .NET 7.0 Micro...

Ngày tải lên: 12/08/2014, 12:20

Ngày tải lên: 13/08/2014, 21:21

... 70 73 82 86 90 95 96 10 0 10 1 I 05 I 05 I 05 10 7 I 08 10 8 I I1 11 2 11 2 11 3 12 1 13 0 13 2 13 3 13 4 13 5 13 6 13 7 14 1 14 3 14 5 14 5 14 7 14 9 lo my wife, Hye-Sun ... call for different circuit designs: continuous mode and burst mode. The signals corresponding to these two modes are shown schemati- cally in Fig. 1. 5. 10 010 1 11...

Ngày tải lên: 14/08/2014, 09:21

... into the fiber link to boost the optical signal. For example, let’s assume an 8,000-km long fiber link connecting two continents. To compensate the fiber loss of 0 .25 dB/km, we insert an optical ... -vs(t> , which is (4p /2) 2 for a DC-balanced ideal NRZ signal. Thenoisepoweriscalculated as vi(t), whichcan be written 1 /2. (~~,~ +21 ,2, ~), given equal probabili...

Ngày tải lên: 14/08/2014, 09:21

... 6.28 .50 Q * 0 .3 pF = 30 .6GHz fA 2 (5 .33 ) and A . fA = 1.44 .30 .6 GHz = 44 GHz. Fine, you can design this amplifier. What’s the TIA bandwidth now? (5 .34 ) Hurray, you’ve ... second- and third-order intermodulation distortions for the two-tone case are [82] IMD2 X la21 . X, IMD3 x 31 4. la31 . X2, (4.72) (4. 73) where X is the amplitude of one...

Ngày tải lên: 14/08/2014, 09:21

... 144 TRANSIMPEDANCE AMPLIFIERS Fig. 5.26 Receivers for analog signals: (a) low-impedance front-end and (b) front-end with matching transformer. matching transformer [ 14] . The transformer ... value 10 mV 0.01 16 - 14. 07 .3 kQ .380nA = 34. 6dB. A? And for a typical lO-Gb/s system (RT = 1 kC2, iimhA = 1 ,40 0nA) we get lOmV 0.0116. 14. 07. 1 kQ.l ,40 0nA =...

Ngày tải lên: 14/08/2014, 09:21

... on a 0. 05- dB power penalty (PP = 1.0116). For a 2 .5- Gb/s SONET system (r = 72), we obtain the numerical value 2 .5 Gb/s fLF 5 0.01 16. ___ - - 64 kHz. 6.28 .72 And for a 10-Gb/s ... than the numbers de- rived above (e.g., 2 .5 kHz for 2 .5 Gb/s and 25 kHz for I0 Gb/s). The cutoff frequency usually is set by an external capacitor, for example, a co...

Ngày tải lên: 14/08/2014, 09:21

... (b) Fig. 6. 53 Circuits for Problems 6. 7 and 6. 8: (a) stage with series feedback and (b) regu- lated cascode. 6. 5 6. 6 6. 7 6. 8 (GBWs). How large is the ratio of the GBW for the total ... the NRZ signal to an RZ signal in the optical domain. 233 2 56 OPTICAL TRANSMITTERS For example, given a fiber attenuation of 0.25 dB/km, typical for an SMF operate...

Ngày tải lên: 14/08/2014, 09:21

... transmitter and is identical to that derived for MAS in Section 6.2.6: 2nfLFr PP=l+- B' (8. 17) DRIVER ClRCUlT CONCEPTS 277 Fig. 8. 17 A simple predriver with pulse-width control. ... nonlinear leakage currents), or to permit higher optical output power levels, or both. Optical Feedforward Linearization. Optical feedforward linearization capitalizes on the...

Ngày tải lên: 14/08/2014, 09:21

... 43.0 8 8. 0 (s) 1,250 GaAs HFET 316 EYE DIAGRAMS + 1015P &PV1 1 185 P &PV1 + 24115P &PV1 24 385 P &PV1 + 24415P &PVO 24 585 P &PVO + 24615P &PV1 2 488 5P &PV1 ... for Problem 8. 9. Temperature Slope Efficiency Threshold Current (“C) (mW/mA) (mA) -40 20 80 0. 08 0.07 0.05 2 10 35 8. 10 Automatic Bias Control for MZMs. In a...

Ngày tải lên: 14/08/2014, 09:21

... Thus, the differential input voltage that switches 0 .99 1~ to one output and 0.01Z~ to the other is VBE(O .99 fM) - VBE(O.011M) = VT(In 0 .99 - In 0.01) = 4.6V~ M 115 mV. Therateofcurrentchangeisdi/dt ... 2.l(a) f = c/A = ( 299 .8Mm/s)/(1.55pm) = 193 .4THz. 2.Nb) A f = c/h2 . Ah = ( 299 .8 R4m/s)/(1.55 pm)2 . 0.1 nm = 12.48 GHz. 2.2 The linear expres...

Ngày tải lên: 14/08/2014, 09:21

... Optical feedforward linearization, 292 Optical fiber, 11, 13-14 Optical filter, 35-36 Optical in-line amplifier, l3,62,256 Optical isolator, 35 Optical modulation amplitude, 237 Optical ... bandwidth, 13.21 Fiber Channel, 6. 174 Fiber distributed data interface, 3,6-7 Fiber loss, 11,253 Fiber optical parametric amplifier, 13 Fiber- to-the-curb system, 8 Fibe...

Ngày tải lên: 14/08/2014, 09:21