0195136047.pdf

414 TRANSISTOR AMPLIFIERS + − vin vd vout A B Transistor amplifying unit with gain A Feedback with feedback factor B vf = vin − ...

PROBLEMS 415 products. Interdisciplinary experts who can blend many different technologies harmoniously are rather rare. Let us ...

416 TRANSISTOR AMPLIFIERS + − VCC RB RC Figure P8.1.3 + − VCC RB RC Figure P8.1.4 + − VCC = 24 V 30,000 Ω 9000 Ω I 1 I 2 750 Ω 1 ...

PROBLEMS 417 + − VDD RD RG RS Figure P8.2.3 C B E CE CC + − VCC + − vL Ground iS + − vS RS R 2 R 1 CB RC RE 1 RE 2 RL v iL 1 Fig ...

418 TRANSISTOR AMPLIFIERS 8.3.11Starting from Equations (8.3.9), (8.3.11), and (8.3.12), show that equations (8.3.13) through (8 ...

PROBLEMS 419 8.4.5For the CD JFET amplifier of Figure 8.4.2(a), show that Equations (8.4.8) and (8.4.9) can be rearranged as fol ...

420 TRANSISTOR AMPLIFIERS denotes a reference to the midband frequency range.) (g) The linear model of a common-emitter BJT ampl ...

PROBLEMS 421 B C E −12 V 1 kΩ 25 mV rms 4.5 kΩ 55 kΩ 6 kΩ 25 μF 25 μF, 12 V 100 μF 50 μF (c) 2.4 kΩ 0.24 kΩ 0.6 kΩ 0.1 kΩ BJT 2N ...

9 Digital Circuits 9.1 Transistor Switches 9.2 DTL and TTL Logic Circuits 9.3 CMOS and Other Logic Families 9.4 Learning Objecti ...

9.1 TRANSISTOR SWITCHES 423 9.1 TRANSISTOR SWITCHES The basic element of logic circuits is the transistor switch, a simplified m ...

424 DIGITAL CIRCUITS VCC = 5 V VT = 0.7 1 5 4 3 2 1 0.2 to 0.3 V 2345 IB sat = 50 60 μA 50 μA 40 μA 30 μA 20 μA 10 μA 0.5 Satura ...

9.1 TRANSISTOR SWITCHES 425 RC C E S Vo + VCC + = = − RC E C S Vo + VCC + − (a) RC C S E Vo Vsat ICEO + VCC + − + − RC C S E Vo ...

426 DIGITAL CIRCUITS Propagation delay tdis a certain amount of delay for a change to occur. It is defined here as the time to ...

9.2 DTL AND TTL LOGIC CIRCUITS 427 EXAMPLE 9.1.1 For the circuit of Figure 9.1.2, given thatVCC=5V,RC=1k, β=100, and the high r ...

428 DIGITAL CIRCUITS Using the transistor switch, logic gates can be constructed to perform the basic logic functions such as AN ...

9.2 DTL AND TTL LOGIC CIRCUITS 429 no load current flows through the output terminal. Thus in this case,DAandDBare conducting, w ...

430 DIGITAL CIRCUITS The DTL NAND gate circuit shown in Figure 9.2.1 and others closely related to it belong to the DTL logic fa ...

9.3 CMOS AND OTHER LOGIC FAMILIES 431 EXAMPLE 9.2.2 Considering the TTL NAND gate circuit of Figure 9.2.2, with one or more inpu ...

432 DIGITAL CIRCUITS RD VGS = 6 VGS = 7 VGS = 5 VGS ≤ 3 VGS = 4 VDS, V ID, mA vout vin VDD = 7 V = 23 kΩ Pinch-off or active reg ...

9.3 CMOS AND OTHER LOGIC FAMILIES 433 FET switches offer significant advantages over BJT switches. An FET switch does not draw c ...