Broadband Circuits for Optical Fiber Communication phần 5 potx

... function calls. printReportHeader; //Incorrect function call printReportHeader(); //Correct function call The first function call will not cause a compile error but will fail to execute the function ... concept. FIGURE 5. 2 Demonstrating the black box concept. Consider the two black box drawings in Figure 5. 2. Each black box describes one component; in this case the components ar...

Ngày tải lên: 05/08/2014, 09:45

... default value for pointers, if you wish to postpone initialization, is null. The null value in C++ is simply zero. Rewriting the preceding pointer declarations with initialization to null yie ool* ... actually valid or not. By nullifying the pointer after its deletion, we explicitly state that it is now an invalid (null) pointer, and there is no ambiguity about its validity. Rul...

Ngày tải lên: 05/08/2014, 09:45

... 5. 1). The UE enters CELL DCH if a dedicated physi- cal channel is assigned during the RRC connection establishment. Otherwise, the UE enters the CELL FACH state. Wideband TDD: WCDMA for the Unpaired ... to the network. The NW-RRC configures MAC and RLC on the network side. The MAC and RLC in the RNC should be configured before the receipt of the Radio Bearer S...

Ngày tải lên: 09/08/2014, 19:22

... Guide for Information Technology Systems. August 2001. NIST Special Publication 800-27. Engineering Principles for IT Security. June 2001. OMB Circular A-130. Management of Federal Information ... Part of Risk Management and synonymous with Risk Analysis. Risk Management The total process of identifying, controlling, and mitigating information system–relat...

Ngày tải lên: 10/08/2014, 11:20

... during assembly startup. CHAPTER 7 ■ USING C++/ CLI TO EXTEND VISUAL C++ PROJECTS WITH MANAGED CODE 152 145CHAPTER 7 ■ USING C++/ CLI TO EXTEND VISUAL C++ PROJECTS WITH MANAGED CODE the process ... USING C++/ CLI TO EXTEND VISUAL C++ PROJECTS WITH MANAGED CODE C++/ CLI s interoperability features pretty much bind you to the CLR. No other CLI imple- mentation supports...

Ngày tải lên: 12/08/2014, 16:21

... 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