Terminal Learning Objective
- Explain how MOSFETs are used in the electrical circuit of an IED
Enabling Objectives
- Discuss how MOSFETs are used in an electrical circuit of an IED
- Identify the schematic symbol of a MOSFET
- Identify the legs of a MOSFET
- Describe the function of a MOSFET
Lessons
MOSFETs Lecture
Battery Removal
Lab Overview This circuit uses battery decay or battery removal to pull the gate of the MOSFET (Q1) low, allowing the capacitor to fire a single detonator. Tools / Parts / Test Equipment Soldering Iron Helping Hands Solder Multimeter Downloads Related Circuits in the Library Circuit #7 — Battery Removal
Adjustable Light Sensor
Lab Overview This circuit uses a LDR to trigger a MOSFET (Q1) to fire a single detonator. Tools / Parts / Test Equipment Soldering Iron Helping Hands Solder Multimeter Related Circuits in the Library Circuit #2 — Adjustable Light Sensor
Adjustable Dark Sensor
Lab Overview This circuit uses a LDR to trigger a MOSFET (Q1) to fire a single detonator. Tools / Parts / Test Equipment Soldering Iron Helping Hands Solder Multimeter Download files for this lab are coming soon. Downloads Related Circuits in the Library Circuit #1 — Adjustable Dark Sensor
MOSFET RC Timer
Lab Overview This circuit uses the RC timed circuit to trigger a MOSFET (Q1) to fire a single detonator. Tools / Parts / Test Equipment Soldering Iron Helping Hands Solder Multimeter Downloads Related Circuits in the Library Circuit #4 — MOSFET RC Timer
LDR Battery Removal
Lab Overview This circuit combines a Dark Sensor Circuit and a Battery Removal Circuit to fire a single detonator through a MOSFET. Tools / Parts / Test Equipment Soldering Iron Helping Hands Solder Multimeter Downloads Related Circuits in the Library Circuit #14 — LDR Battery Removal
RC Timer Armed LDR
Lab Overview This circuit uses a capacitor and LDR to function. The capacitor/RC timer arms the device and the LDR fires the device. Tools / Parts / Test Equipment Soldering Iron Helping Hands Solder Multimeter Related Circuits in the Library Circuit #3 — RC Timer Armed LDR
RC Timer Dual MOSFET
Lab Overview This circuit uses a RC Timer to arm the two MOSFETs.The gate from either MOSFETs (Q1 and Q2) fires the device. Tools / Parts / Test Equipment Soldering Iron Helping Hands Solder Multimeter Related Circuits in the Library Circuit #19 — RC Timer Dual MOSFET