hw9_sol - ECE 442 HW9 Solutions 1. The HSPICE stack for...

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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: V THL = 847 . 96 ps, V TLH = 725 . 7 ps 1
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2. a) The HSPICE stack for simulating the CMOS common-source amplifier 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
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hw9_sol - ECE 442 HW9 Solutions 1. The HSPICE stack for...

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