hw7_sol - V THL = 847 . 96 ps, V TLH = 725 . 7 ps 1 Figure...

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ECE 442 HW9 Solutions 1. The HSPICE stack for simulating inverter behavior is as follows: * Inverter Circuit . LIB ’ models15 . txt ’ MOS M1 OUT IN VDD VDD pch L=1.5u W=10u M2 OUT IN 0 0 nch L=1.5u W=5u CL OUT 0 1p VVDD VDD 0 5 VIN IN 0 0 PULSE 0 5 2n 1n 1n 5n 20n .DC VIN 0 5 0.01 .PRINT DC V(IN) V(OUT) .TRAN 100p 15n .PRINT TRAN V(IN) V(OUT) .OPTIONS LIST NODE POST .END a) Using CosmosScope as shown in Fig. 1a, DC plot is obtained, with the following values: V L = 2 . 09 V, V H = 3 . 13 V Figure 1a. DC analysis of inverter’s transfer characteristic b) Using CosmosScope as shown in Fig. 1b, transient plot is obtained, with the following values:
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Unformatted text preview: V THL = 847 . 96 ps, V TLH = 725 . 7 ps 1 Figure 1b. Transient analysis of inverter behavior 2. a) The HSPICE stack for simulating the CMOS common-source ampli±er is as follows: * OP and AC analysis . l i b ’ models15 . txt ’ MOS VVDD VDD 0 DC 2.5 VVSS VSS 0 DC-2.5 RD VDD VD 3k RSIG VSIG VX 500k RG VG 0 1MEG RL VO 0 200k CC1 VX VG 10u CC2 VD VO 10u CS VS 0 1u IBIAS VS VSS 1m M1 VD VG VS VS NCH W=15u L=1.5u VVSIG VSIG 0 AC 1 .AC DEC 5 100 100MEG 2...
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This note was uploaded on 11/06/2011 for the course ECE 342 taught by Professor Nareshshanbhag during the Spring '11 term at University of Illinois, Urbana Champaign.

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hw7_sol - V THL = 847 . 96 ps, V TLH = 725 . 7 ps 1 Figure...

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