MODELLING AND SIMULATION OF GaAs HIGH-SPEED HBT, MESFET, AND HEMT ANALOGUE/DIGITAL CIRCUITS
 
Zhou Xing and Tang Tianwen
 
School of Electrical & Electronic Engineering
Nanyang Technological University
 
 
Abstract | Figures | Back
 
(Click on the Figure inside the Paper to see its enlargement.)
 
 
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Figures
 
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Fig-1
 
Fig. 1 HBT equivalent subcircuit.
 
 Fig-2
 
Fig. 2 MESFET equivalent subcircuit.
 
 Fig-3
 
Fig. 3 HEMT equivalent subcircuit.
 
 Fig-4
 
Fig. 4 HEMT output characteristic (solid lines) and compared with experimental results (symbols).
 
 Fig-5
 
Fig. 5 HEMT input characteristic.
 
 Fig-6
 
Fig. 6 A seven-stage NOR-gate ring oscillator (a) using E/D HEMT as subcircuit (b).
 
 Fig-7
 
Fig. 7 Ring oscillator transients at nodes 2 and 3 for full-analogue (solid line) and full-digital (dotted line) simulation.
 
 Fig-8
 
Fig. 8 A string of inverters driven by an analogue stimulus.
 
 Fig-9
 
Fig. 9 Waveforms at three nodes when the mode is set to "analogue" (dotted), "digital" (dashed), and "mixed" (solid).
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