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FET Characteristics Apparatus

FET Characteristics Apparatus

Product Code : SCL-EI-12140

Quick Answer: The FET Characteristics Apparatus is used to plot the drain and transfer characteristics of a junction FET and find its pinch-off voltage and transconductance. It has separate regulated supplies of 0–15V for the drain and 0–5V for the gate.

Last updated: October 2026

Key Features

  • Drain supply (VDS) 0–15V DC, regulated
  • Gate supply (VGS) 0–5V DC, regulated
  • Two voltmeters, 5V and 15V DC ranges
  • Ammeter 0–25mA DC
  • Built-in JFET on a bakelite panel with circuit diagram
  • 4mm shrouded, colour-coded sockets

Technical Specifications

SpecificationValue
Drain supply (VDS)Variable DC regulated, 0–15V
Gate supply (VGS)Variable DC regulated, 0–5V
VoltmetersDual analog, 5V / 15V DC
AmmeterAnalog, 0–25mA DC
DeviceIntegrated JFET
PanelBakelite with circuit diagram
Dimensions280mm x 205mm x 85mm (nominal)

About This Product

Holding the gate voltage fixed and stepping the drain voltage gives the drain curves; holding the drain voltage and stepping the gate gives the transfer curve. From these students read off the pinch-off voltage and work out transconductance in electronics practicals.

Frequently Asked Questions

Which FET parameters can be measured?

The apparatus is used to find the pinch-off voltage and transconductance from the drain and transfer characteristics.

Related: Electronic Instruments, Transistor Characteristics Apparatus, SCR Characteristics Apparatus and LED Characteristics Apparatus.

For a quotation on the FET Characteristics Apparatus, contact Educational Instrument.

   
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