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SEQUEL: examples

(Electronics)

Mahesh B. Patil

Department of Electrical EngineeringIIT Bombay

sequel@ee.iitb.ac.in

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Examples shown here are available as .sqproj files.

To run an example, open the project, and click on run. When execution is completed, the graphs

menu will automatically open.

Select the x and y axes, and plot the results.

To change parameters (e.g., resistance values), refer

to the GUI manual.

A few tips

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diode_iv.sqproj

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diode_circuit_1.sqproj

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diode_circuit_1.sqproj

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rectifier_tap_1.sqproj

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Rectifier_tap_1.sqproj

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rectifier_tap_2.sqproj

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rectifier_tap_2.sqproj

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triangle_to_sine.sqproj

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triangle_to_sine.sqproj

Input spectrum Output spectrum

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wave_shaper_1.sqproj

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Voltage_doubler_1.sqproj

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bjt_ic_vce.sqproj

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bjt_beta_ic.sqproj

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bjt_inverter.sqproj

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bjt_inverter.sqproj

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bjt_ce_amp.sqproj

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bjt_cb_amp.sqproj

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bjt_cb_amp.sqproj

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bjt_cb_amp_freq.sqproj

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bjt_class_b.sqproj

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bjt_class_b.sqproj

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bjt_class_ab.sqproj

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bjt_mirror_1.sqproj

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bjt_mirror_2.sqproj

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bjt_mirror_3.sqproj

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bjt_widlar.sqproj

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bjt_miller_effect_1.sqproj

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bjt_diff_pair.sqproj

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bjt_audio_amp_1.sqproj

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bjt_audio_amp_1.sqproj

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bjt_audio_amp_2.sqproj

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bjt_audio_amp_2.sqproj

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bjt_diff_amp.sqproj

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bjt_diff_amp.sqproj

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bjt_diff_amp_ac.sqproj

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bjt_osc_1.sqproj

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bjt_ttl_dc.sqproj

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bjt_ttl_dc.sqproj

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bjt_schmitt.sqproj

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bjt_tri_to_sin.sqproj

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bjt_tri_to_sin.sqproj

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mos_iv_1.sqproj

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mos_inverter_dc_1.sqproj

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mos_inverter_trns.sqproj

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mos_pass_n.sqproj

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mos_pass_c.sqproj

i t b ff j

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mos_inverter_buffer.sqproj

mos ring osc sqproj

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mos_ring_osc.sqproj

l j

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mos_voltage_pump.sqproj

i 1 j

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mos_mirror_1.sqproj

i 2 j

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mos_mirror_2.sqproj

mos opamp 1 dc sqproj

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mos_opamp_1_dc.sqproj

mos opamp 1 dc sqproj

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mos_opamp_1_dc.sqproj

mos opamp 1 ac sqproj

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mos_opamp_1_ac.sqproj

mos opamp 1 ac sqproj

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mos_opamp_1_ac.sqproj

mos vco 1 sqproj

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mos_vco_1.sqproj

mos vco 1 sqproj

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mos_vco_1.sqproj

Vin=1.5 V

Vin=2.0 V

jkff test sqproj

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jkff_test.sqproj

jkffcntr.sqproj

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up down counter.sqproj

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up_do _cou te sqp oj

Mode=1 Mode=0

ring_counter.sqproj

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decade_sync_counter.sqproj

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demux_test_1.sqproj

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mux_test_1.sqproj

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inv_amp.sqproj

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inv_amp_ac.sqproj

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R2=10 k

R2=50 k

non_inv_amp.sqproj

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(slew rate limitation)

difference_amp.sqproj

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(note: common-mode voltage gets removed)

summer.sqproj

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integrator_741.sqproj

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(note: common-mode voltage gets removed)

opamp_current_source.sqproj

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opamp_current_source_1.sqproj

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Note: currents are in phase withthe input voltage

opamp_current_source_1.sqproj

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Note: v(6,4) is not in phase withthe input voltage

opamp_limiter_1.sqproj

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opamp_regulator.sqproj

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Note: regulation with respect to(a) Input voltage change(b) Output load current

low_pass_filter_1.sqproj

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low_pass_filter_trns_1.sqproj

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low_pass_filter_trns_1.sqproj

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band_pass.sqproj

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band_reject.sqproj

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bass_equalizer.sqproj

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a_pot=0

butterworth_4_ac.sqproj

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butterworth_4_trns.sqproj

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butterworth_4_digital_ac.sqproj

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butterworth_4_digital_trns.sqproj

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butterworth_4_digital_trns.sqproj

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schmitt_741.sqproj

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schmitt_741_1.sqproj

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schmitt_osc_741.sqproj

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schmitt_osc_411.sqproj

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opamp_osc_1.sqproj

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opamp_osc_2.sqproj

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wien_osc_1.sqproj

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wien_osc_2.sqproj

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phase_shift_osc_1.sqproj

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phase_shift_osc_1.sqproj

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super_diode_1.sqproj

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super_diode.sqproj

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precision_half_wave.sqproj

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precision_full_wave.sqproj

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precision_full_wave.sqproj

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ic555a.sqproj

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ic555b.sqproj

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rc_demo.sqproj

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sample_hold.sqproj

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sample_hold.sqproj

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adc_dual_slope.sqproj

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adc_dual_slope.sqproj

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vco_test.sqproj

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dpll1.sqproj

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dpll1.sqproj

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sigma_delta.sqproj

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sigma_delta.sqproj

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sc_lpf.sqproj

f=1 k

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f=5 k

f=20 k

sc_notch.sqproj

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sc_notch.sqprojf=100 Hz

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f=60 Hz f=20 Hz

sc_bpf_lq.sqproj

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sc_lpf_5th_1.sqproj

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sc_lpf_5th_1.sqproj f=1 kHz

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f=100 Hzf=2 kHz

sc_lpf_5th_2.sqproj

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sc_lpf_5th_3.sqproj

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sc_lpf_5th_3.sqproj

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References

A. S. Sedra and K. C. Smith, Microelectronic Circuits, 5th Edition,

Oxford University Press 2004

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Oxford University Press, 2004.

R. J. Baker, H. W. Li, and D. E. Boyce, CMOS: Circuit Design,

Layout and Simulation, IEEE Press Series on Microelectronic

Systems, 1997.

J. M. Fiore, Op Amps and Linear Integrated Circuits, Delmar

Thomson Learning, 2001. S. Franco, Design with Operational Amplifiers and Analog

Integrated Circuits, McGraw-Hill International, 1998.

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Thanks!