Gallium Arsenide Digital Circuits

1: Introduction. - 1. 1 Gallium Arsenide. - 1. 2 Electronic properties of GaAs. - 1. 3 Velocity-field relation. - 1. 4 GaAs transistor structures MESFET HFET HBT. - 1. 5 Scope. - References. - 2: Circuit Models of the MESFET. - 2. 1 Introduction. - 2. 2 Schottky junction. - 2. 3 Drain current. - 2. 4 Gate current. - 2. 5 Capacitive currents. - 2. 6 Charge-based model for circuit simulation. - 2. 7 Capacitance-based model. - 2. 8 Parasitic elements. - 2. 9 Small signal model. - 2. 10 Empirical model. - 2. 11 Summary. - References. - 3: Enhancement-Depletion Logic Circuits. - 3. 1 Introduction. - 3. 2 Simplified device model for circuit design. - 3. 3 E-D logic. - 3. 4 Noise margin analysis. - 3. 5 Pull-up delay. - 3. 6 Pull-down delay. - 3. 7 Fan-out and fan-in. - 3. 8 NOR NAND. - 3. 9 Flip flops. - 3. 10 Remarks. - References. - 4: Transmission-Gate Logic. - 4. 1 Introduction. - 4. 2 Analysis. - 4. 3 Allowable range of VG. - 4. 4 Shift register. - 4. 5 Cross point switch. - 5: Buffered ED Logic Circuits. - 5. 1 Source follower. - 5. 2 EDSF logic. - 5. 3 EDSFD logic. - 5. 4 EDSB logic. - 5. 5 SPED logic. - 5. 6 Split-phase super buffer. - 5. 7 Ring oscillator. - 5. 8 Summary. - References. - 6: Source-Coupled Logic Circuits. - 6. 1 Source-coupled differential pair. - 6. 2 Observations. - 6. 3 Noise margins and delays. - 6. 4 Threshold variation. - 6. 5 Source-coupled logic. - 6. 6 Cascode differential pair. - 6. 7 Summary. - Reference. - 7: Subsystems Design. - 7. 1 Introduction. - 7. 2 Lightwave communications system. - 7. 3 Pulse width preservation. - 7. 4 Time-multiplexer/demultiplexer. - 7. 5 Cross-point switch. - 7. 6 Time- and Time-space-switches. - 7. 7 Static random access memory. - 7. 8 O/E-E/O repeater. - 7. 9 Remarks. - References. Language: English