AL-E070A DISCRETE COMPONENT TRAINER (DCT)

Project Information

Category: ELECTRONICS ENGINEERING
Sub Category: BREAD BOARD TRAINERS
Model Number: AL-E070A

Description

AL-E070A DISCRETE COMPONENT TRAINER (DCT)

Detailed Technical Specifications

AL-E070A – Discrete Component Trainer (DCT)

Product Category: Analog Electronics Trainer
Product Code: AL-E070A
Application: Study and construction of various analog electronics laboratory experiments.

---------------------------------------------------------------------------------------------------------------------------------------1. Power Supply

Parameter	Specification
Regulated DC Supply	+5 V, ±12 V DC @ 500 mA
Variable DC Supply – 1	0–15 V DC @ 250 mA
Variable DC Supply – 2	0–30 V DC @ 250 mA
AC Supply	15-0-15 VAC @ 250 mA
Mains Supply	230 V, 50 Hz, ±10%

2. Digital Meters

Meter	Range / Specification
Digital Voltmeter	20 V DC
Digital Ammeter	200 mA DC
Quantity	3 digital meters as indicated by the product designation; the supplied text explicitly specifies voltmeter and ammeter ranges

3. Components Mounted on Board

The trainer provides an extensive range of discrete semiconductor and passive components:

Component	Quantity / Specification
Variable Resistors	4 Nos.
Connected 2 mm Sockets	3 pairs
Rectifier Diodes	4 Nos.
OA79 Germanium Diode	1 No.
Zener Diodes	3 different values
Resistors	Different values, N
Capacitors	Different values, N
Inductors	1 mH and 10 mH
DIAC	DB33, 1 No.
SCR	TYN604, 1 No.
TRIAC	BT136, 1 No.
MOSFET	IRF540, 1 No.
UJT	2N2646, 1 No.
JFET	BFW11, 1 No.
Transistor Pair	SL100 and SK100
BJT	BC547 and BC557, 1 No. each
LDR	1 No.
Thermistor	1 No.
LEDs	2 Nos.
Relay	12 V, 1 No.
Speaker	8 Ω, 1/4 W
Audio Transformer	1 No.
ZIF Socket	20-pin

4. Construction & Front Panel

Front panel constructed using a high-class insulated printed circuit board sheet.
Circuits and component symbols are clearly printed on the panel.
Connections are brought out through 2 mm brass sockets.
Trainer is housed in an ABS plastic cabinet.
Fuse provided for short-circuit protection.
Supplied with an instruction manual.

5. Patch Cords

20 Nos. 2 mm patch cords
Provided with breadboard pins.
Used for making experimental interconnections through the panel sockets.

6. Physical Dimensions

Approximate trainer size: 12" × 10".

7. Optional Accessories

The following accessories are listed as optional:

Function Generator
CRO (Cathode Ray Oscilloscope)

8. Key Features

Comprehensive discrete-component platform for analog electronics experiments.
Multiple regulated DC and AC power supplies.
Integrated digital voltage and current measurement.
Wide selection of passive, diode, transistor, thyristor, FET and optoelectronic components.
Clearly marked experimental circuitry and symbols.
Safe 2 mm socket-based patching system.
Short-circuit protection through fuse.
Rugged ABS enclosure.
Compact 12" × 10" laboratory trainer.
Instruction manual included.

9. Catalogue / Tender Specification

AL-E070A Discrete Component Trainer (DCT) shall be a self-contained analog electronics training system suitable for the study and construction of various analog electronics laboratory experiments. It shall incorporate regulated DC supplies of +5 V and ±12 V at 500 mA, variable 0–15 V and 0–30 V DC supplies at 250 mA, and a 15-0-15 VAC, 250 mA supply. The unit shall include digital voltage/current measurement, a comprehensive range of discrete electronic components, 2 mm brass connection sockets, 20 patch cords, short-circuit fuse protection, an insulated printed front panel, ABS cabinet and instruction manual. Overall trainer size shall be approximately 12" × 10".

Note: The source uses “N” for the number of resistor and capacitor values, so no specific quantity has been assumed.