Exp08_Digital_Electronics

Exp08_Digital_Electronics - Georgia Institute of Technology...

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Unformatted text preview: Georgia Institute of Technology School of Electrical and Computer Engineering ECE 3042 Microelectronic Circuits Laboratory NAME:________________________________________ GT NUMBER:___________________________________ Experiment 8: Digital Electronic Circuits Procedure Time Completed Date Completed Verification (Must demonstrate circuit) Points Points Possible Received 25 25 25 25 SECTION:___________________________ GTID:______________________________ Verification Sheet 2. BJT Inverter 3. Standard TTL Inverter 4. 74LS TTL Inverter 5. CMOS Inverter To be permitted to complete the experiment during the open lab hours, you must complete at least three procedures during your scheduled lab period or spend your entire scheduled lab session attempting to do so. A signature below by your lab instructor, Dr. Brewer, or Dr. Robinson permits you to attend the open lab hours to complete the experiment and receive full credit on the report. Without this signature, you may use the open lab to perform the experiment at a 50% penalty. SIGNATURE:____________________________________ DATE:____________________________________ ECE 3042 Check‐off Requirements for Experiment 8 Make sure you have made all required measurements before requesting a check‐off. For all check‐offs, you must demonstrate the circuit or measurement to a lab instructor. All screen captures must have a time/date stamp. 2. BJT Inverter Screen capture of output voltage versus input voltage for ZL = ∞. Adjust x & y scales so that plot uses most of the scope screen. Measurement of VIL, VIH, VOL, VOH, NML, and NMH with scope cursors. Reference Fig. 8.7 and Eqns. 8.1 & 8.2. Screen capture of 100kHz 5 Vpp 2.5V dc square wave input and output voltage for ZL = ∞. Measurement of rise time, fall time, and storage time with scope cursors. Screen capture of 100kHz 5 Vpp 2.5V dc square wave input and output voltage for ZL = ∞ and 300pF cap across RB. Measurement of rise time, fall time, and storage time with scope cursors. Screen capture of 100kHz 5 Vpp 2.5V dc square wave input and output voltage for ZL = ∞ and diode from base to collector. Measurement of rise time, fall time, and storage time with scope cursors. 3. Standard TTL Inverter Screen capture of output voltage versus input voltage for ZL = ∞. Adjust x & y scales so that plot uses most of the scope screen. Measurement of VIL, VIH, VOL, VOH, NML, and NMH with scope cursors. Reference Fig. 8.7 and Eqns. 8.1 & 8.2. Screen capture of 100kHz 5 Vpp 2.5V dc square wave input and output voltage for ZL = ∞. Screen capture of 100kHz 5 Vpp 2.5V dc square wave input and voltage at collector of Q3. Previous two requirements repeated for f changed to 1MHz. 4. 74LS TTL Inverter Screen capture of output voltage versus input voltage for ZL = ∞. Adjust x & y scales so that plot uses most of the scope screen. Measurement of VIL, VIH, VOL, VOH, NML, and NMH with scope cursors. Reference Fig. 8.7 and Eqns. 8.1 & 8.2. Screen capture of 100kHz 5 Vpp 2.5V dc square wave input and output voltage for ZL = ∞. Screen capture of 1MHz 5 Vpp 2.5V dc square wave input and output voltage for ZL = ∞. Measurement of average power dissipation per gate for no input, 100kHz 5 Vpp 2.5V dc square wave input, and 1MHz 5 Vpp 2.5V dc square wave input. Measurement of ring oscillator frequency and calculation of propagation delay tp. Measurement of power dissipation PD of ring oscillator. Calculation of tpPD. 5. CMOS Inverter Screen capture of output voltage versus input voltage for ZL = ∞. Adjust x & y scales so that plot uses most of the scope screen. Measurement of VIL, VIH, VOL, VOH, NML, and NMH with scope cursors. Reference Fig. 8.7 and Eqns. 8.1 & 8.2. Screen capture of 100kHz 10 Vpp 5V dc square wave input and output voltage for ZL = ∞. Screen capture of 100kHz 10 Vpp 5V dc square wave input and output voltage for 1nF load cap. Measurement of average power dissipation per gate for both a 100kHz 10 Vpp 5V dc square wave input and a 15MHz 10 Vpp 5V dc square wave input. Measurement of ring oscillator frequency and calculation of propagation delay tp. Measurement of power dissipation PD of ring oscillator. Calculation of tpPD. ...
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This note was uploaded on 02/20/2010 for the course ECE 3042 taught by Professor Brewer during the Spring '08 term at Georgia Tech.

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