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Loudspeaker with Simple Amplifier

Electro-Magnetic Components
V+V-r11kr27kvsrc312.6freq10.6qgen1VNSNSsum1qsrc10.6freq_cmdoffsetfreq_sinesumr41kq2v1v_signal_inr39kv_refv_fbop1pos_conesp1m=7.0e-3k=1.0e3mtr1winding_resistance=5.0winding_inductance=1.0e-3v_basevccnet19v_speakerq1

Loudspeaker with Simple Amplifier

This "Live" example design includes a simple analog electronic amplifier, intended only to demonstrates the importance of multi...

Mike Donnelly
V+V-r11kr27kvsrc312.6freq10.6qgen1VNSNSsum1qsrc10.6freq_cmdoffsetfreq_sinesumr41kq2v1v_signal_inr39kv_refv_fbop1pos_conesp1m=7.0e-3k=1.0e3mtr1winding_resistance=5.0winding_inductance=1.0e-3v_basevccnet19v_speakerq1
Loudspeaker Amplifier electro-mechanical resonance BDP947 NCV20071 Op-Amp BDP947 NPN Transistor Mechatronics magnetic actuator
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Points +26
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Switched-Capacitor Filter Frequency Response using TDFS

Signals and Communications
r1c2c3sw1c1sw2clk1CH1CH2OSCVTDFSTransfer Functions(Gain & Phase)CH1/OSCCH2/OSCCH2/CH1tdfs1v_RC_filter_outv_osc_outv_sc_filter_outd_clk1d_clk2

Switched-Capacitor Filter Frequency Response using TDFS

This design shows the use of the TDFS (Time Domain Frequency Sweep) method to measure the frequency response of two low-pass...

Mike Donnelly
r1c2c3sw1c1sw2clk1CH1CH2OSCVTDFSTransfer Functions(Gain & Phase)CH1/OSCCH2/OSCCH2/CH1tdfs1v_RC_filter_outv_osc_outv_sc_filter_outd_clk1d_clk2
switched capacitor Frequency Response TDFS
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Points +70
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Transient Stability Testing of Transmission Line Fed LED Driver

Power Systems
VD333n2k150kVD3.0n2k10k25.0E-1260k50k5010k10k110uXAL6060_223_122.0e-6V+V-V+V-led1led2led322ubattery1Ai_inputVv_inputsw3TransmissionLinecascade RLCtline3vcc_halfvcc_halfv_dutyv_diffampv_setpointv_rampd_gate_drvv_gatev_sw_diodev_sensevccvccvccv_line_in_1v_batteryv_local_gndv_local_gndv_local_gndv_local_gndv_local_gndv_local_gndv_local_gndv_local_gndv_local_gndv_local_gndv_line_in_2v_out1_2v_out3

Transient Stability Testing of Transmission Line Fed LED Driver

This is a companion example to the design: "TDFS Impedance Stability of Transmission Line Fed LED Driver - Switching". In this...

Mike Donnelly
VD333n2k150kVD3.0n2k10k25.0E-1260k50k5010k10k110uXAL6060_223_122.0e-6V+V-V+V-led1led2led322ubattery1Ai_inputVv_inputsw3TransmissionLinecascade RLCtline3vcc_halfvcc_halfv_dutyv_diffampv_setpointv_rampd_gate_drvv_gatev_sw_diodev_sensevccvccvccv_line_in_1v_batteryv_local_gndv_local_gndv_local_gndv_local_gndv_local_gndv_local_gndv_local_gndv_local_gndv_local_gndv_local_gndv_line_in_2v_out1_2v_out3
Buck Converter Constant Power Loads Switching Converter LED transmission line Step-Down TDFS Impedance Stability
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Points -12
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Compare Soft Saturation vs. Regular Inductor - Switching

Electro-Magnetic Components
VDd2v2r_gate_ssm_ssd_ssVDd2v3r_gate_hsm_hsd_hsVoltagevgen2dsrc4inductor_hsr_ss1r_hs1c_hsv_gate_ssv_sw_diode_ssv_out_ssv_line_ind_gate_drvv_gate_hsv_sw_diode_hsv_out_hsXAL6060_22322.0e-6c_ss

Compare Soft Saturation vs. Regular Inductor - Switching

This design shows the importance of choosing the right inductor size and type, to avoid saturation-induced current spikes during...

Mike Donnelly
VDd2v2r_gate_ssm_ssd_ssVDd2v3r_gate_hsm_hsd_hsVoltagevgen2dsrc4inductor_hsr_ss1r_hs1c_hsv_gate_ssv_sw_diode_ssv_out_ssv_line_ind_gate_drvv_gate_hsv_sw_diode_hsv_out_hsXAL6060_22322.0e-6c_ss
Buck Power Stage inductance collapse Coilcraft XAL6060-223
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Points +59
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Current Boost Regulator

MikeDonnelly's Workspace
vsrc1r_line_in10mr_bias1.0c11uc310uc41ur_loadqsrc1p_out(Linear)p_inp_gndVoltageRegreg3c20.33uq1v_line_idealv_linev_outr_load_value

Current Boost Regulator

This 5V regulator circuit provides 5A load current capability, well above the current limit of the linear regular component itself...

Mike Donnelly
vsrc1r_line_in10mr_bias1.0c11uc310uc41ur_loadqsrc1p_out(Linear)p_inp_gndVoltageRegreg3c20.33uq1v_line_idealv_linev_outr_load_value
5V Regulator, 5A MC7805B
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Points +30
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Laser Temperature Regulator using Peltier TEC

Electronics Cooling and Thermal Control
laser_self_heatingVoltagevgen1cth1Cambient_temperature=25rth2cth2TECrth1thrmstr11.0e3r21kr31kr41k550k500kV2.5K=1Kss + aK=1Fp=5KK=3VV+V-v_electronicstemp_lasertemp_ambienttemp_heatsinkvccvccv_tecerrorsensor_fbproportional_outsumintegrator_outderivative_outv_sense_outsetpoint

Laser Temperature Regulator using Peltier TEC

This example shows the ability of a Peltier Module, or Thermo-Electric Cooler (TEC), to actively transfer heat away from a "laser"...

Mike Donnelly
laser_self_heatingVoltagevgen1cth1Cambient_temperature=25rth2cth2TECrth1thrmstr11.0e3r21kr31kr41k550k500kV2.5K=1Kss + aK=1Fp=5KK=3VV+V-v_electronicstemp_lasertemp_ambienttemp_heatsinkvccvccv_tecerrorsensor_fbproportional_outsumintegrator_outderivative_outv_sense_outsetpoint
TEC Peltier Thermistor PID
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Points -24
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Automotive Electrical Power Distribution System

Lighting Systems
mtr1fan1and10 nr1d1sw1clk_flashwire_fangauge=12length=1.0qsrc1dsrc_fan_on_offfuse_fancurrent_rating=5l1battery1c1viq2pwr3Acurrent_monitor_domer2d2wire_batterygauge=10length=1.0fuse_flashdsrc_fan_hi_lowviq2pwr4clk_chimeAcurrent_monitor_ajar_domewire_flash_lffuse_interiorsw3wire_flash_rfdsrc_flash_leftfuse_LEDdsrc_flash_hazardsw5wire_domedsrc_flash_rightlamp11sw8wire_ajar_domedsrc_interior_domesw9wire_flash_lrdsrc_interior_door_ajardsrc_interior_ignitionsw10wire_LED_leftv_fuse_fanv_fan_mid_switchesv_fan_motorw_shaftd_fan_hi_lowv_fan_at_switchd_fan_on_offd_flash_clkd_flash_sw_rightd_flash_hazardd_flash_rightd_flash_leftv_batteryv_fuse_flashv_lamp_flash_leftv_lamp_flash_lfv_lamp_flash_rfv_lamp_flash_rrv_lamp_flash_lrv_fuse_interiorv_lamp_domed_interior_door_ajard_interior_ignitiond_interior_domev_chimev_chime_switchedv_chime_capq_LED_powerq_LED_powerv_LED_leftv_lamp_flash_rightwire_flash_rrv_fuse_boxsw2d_flash_sw_leftsw4wire_LED_rightv_fuse_LEDv_LED_right

Automotive Electrical Power Distribution System

This automotive electrical power distribution system example includes multiple vehicle sub-systems and components. It supports...

Mike Donnelly
mtr1fan1and10 nr1d1sw1clk_flashwire_fangauge=12length=1.0qsrc1dsrc_fan_on_offfuse_fancurrent_rating=5l1battery1c1viq2pwr3Acurrent_monitor_domer2d2wire_batterygauge=10length=1.0fuse_flashdsrc_fan_hi_lowviq2pwr4clk_chimeAcurrent_monitor_ajar_domewire_flash_lffuse_interiorsw3wire_flash_rfdsrc_flash_leftfuse_LEDdsrc_flash_hazardsw5wire_domedsrc_flash_rightlamp11sw8wire_ajar_domedsrc_interior_domesw9wire_flash_lrdsrc_interior_door_ajardsrc_interior_ignitionsw10wire_LED_leftv_fuse_fanv_fan_mid_switchesv_fan_motorw_shaftd_fan_hi_lowv_fan_at_switchd_fan_on_offd_flash_clkd_flash_sw_rightd_flash_hazardd_flash_rightd_flash_leftv_batteryv_fuse_flashv_lamp_flash_leftv_lamp_flash_lfv_lamp_flash_rfv_lamp_flash_rrv_lamp_flash_lrv_fuse_interiorv_lamp_domed_interior_door_ajard_interior_ignitiond_interior_domev_chimev_chime_switchedv_chime_capq_LED_powerq_LED_powerv_LED_leftv_lamp_flash_rightwire_flash_rrv_fuse_boxsw2d_flash_sw_left