Experiments:
1 Determination of inverse saturation current.
2 Study of the band gap width of p-n junction.
3 Investigation of the transition capacitance.
Characteristics:
– Suitable for diodes, transistors.
– Built-in current source, bias voltage generator.
– Built-in power supply for the heater.
Main unit
Selector switch: experiment VI and VT, Offset and Transition
Selector switch V-I position/communication
Voltmeter display: 3½ digits, 7-segment LED, automatic polarity
Voltage range : 0.000-1.999 V
Current display: 3½ digits, 7-segment LED
Current range: 0-20 mA
Selector switch V-T position/communication
Voltage indicator: 3½ digit, 7-segment LED
Voltage range: 0.000-1.999 V
Temperature display: 3½ digits, 7-segment LED
Temperature range: 273 K to 353 K
CRO is in a biased position:
Frequency: 5 kHz and 20 kHz
Voltage: 220 mV (swing)
Output connector: 3-pin, DIN type
Voltage range: 0.00-10.00 V
Furnace: pins 4 and 5 of the heater. Temperature contacts 1 and 2
Connector for furnace connection: 5-pin, DIN type
Diode and transistor: 4 mm safety socket
Input voltage: 220 V, 50 Hz AC
Furnace with temperature sensor
Heating element: 35 Ohm
Furnace connection connector: 5-pin, DIN type
Maximum heating temperature: 353K
Temperature sensor: Pt100
Output contact: pins 4 and 5 of the heater. Temperature contacts 1 and 2
Bipolar transistor
Transistor: NPN
Type: BC109
Connection Connector: 4-mm male connector
