CLASSIFICATION OF COMPONENTS-

1. ACTIVE COMPONENETS-a. DIODES-

i. STANDARD DIODEii. RECTIFIER DIODE

iii. SCHOTKKY DIODEiv. ZENER DIODEv. VARACTOR DIODE

vi. TUNING DIODEvii. LIGHT EMITTING DIODE(LED)

viii. PHOTO DIODEix. BRIDGE RECTIFIER

b. TRANSISTORS-i. BJT

ii. DARLINGTON PAIRiii. FET-

JFET MOSFET

c. OP-AMPS-i. LM 741

ii. LM721iii. LM7301iv. LM8261

d. POWER SOURCES-i. BATTERY

ii. FUEL CELLiii. POWER SUPPLY

e. IC’s-i. LOGIC GATES

AND Dual 4-input AND gate(7421)

Quad 2-input AND gates with open coll outpt(7409)

Quad 2-input AND gates(7408) Triple 3-input AND gates(7411)

OR Quad 2-input OR gate(7432)

NOR Quad 2-input NOR gate(7402) Triple 3-input NOR gates(7427)

NAND 8-input NAND gate(7430) Dual 4-input NAND gate(7420) Quad 2-input NAND gate(7400) Quadruple 2 input +ve NAND gate (7401) Triple 3-input NAND gate(7410) Quad 2-input NAND gate wth schmitt triger

input74132 NOT

Hex Inverting gates(7404) Hex Invertor with schmitt trigger inputs(7414) Hex invertors wiTh open collector

outputs(7405) XOR

Quad 2-input XOR gate(7486)ii. MICROCONTROLLER(8051)

iii. MICROPROCESSOR(8085)iv. TIMERS

555 TIMER 556 TIMER

v. LATCH- BCD to 7-segment latch(74HC411)

vi. DECODER-

BCD to Decimal decoder(7442) BCD to 7-segment decoder with open collector

Outputs(7447)vii. MULTIPLEXOR-

viii. DEMULTIPLEXOR-ix. FLIP-FLOP-

Dual –ve edge triggered master-slave JK flipflop(74112)

x. COUNTERS- 12 stage binary ripple counter with oscillator

(74HC4060) 12 stage binary ripple ciunter(74HC4040) 14 stage binary ripple counter(74HC4020) Johnson decade couter with 10 outputs(74HC4017) Synchronous up-down counter(74LS) 4-bit Binary counter(7493) Decade n Binary counters(7490) dual 4 bit decade counter(74390) Dual 4-bit Binary counter(74393) sync 4 bit binary counter with dual clock(74193) Synchronous 4-bit binary counters(74161) Synchronous decade counter(74160) Synchronous up-down decade counter(74192)

2. PASSIVE COMPONENTS-a. RESISTORS-

i. RESISTORii. RHEOSTATS

iii. POTENTIOMETER

b. CAPACITORS-i. CERAMIC CAPACITORS

ii. ELECTROLYTIC CAPACITORSiii. VARIABLE CAPACITORSiv. VARICAP DIODE

c. TRANSDUCERSd. SENSORS-

i. AUDIOii. POSITION

iii. FORCEiv. THERMAL v. LIGHT

e. DETECTORS

3. ELECTROMECHANICAL COMPONENTS-a. MAGNETIC DEVICES-

i. INDUCTORSii. TRANSFORMER

iii. MOTOR

b. CABLES & CONNECTORS-c. LAMPS-d. SWITCHES-

i. KEYPADii. DIP SWITCH

iii. FOOT SWITCHiv. KNIFE SWITCHv. MICRO SWITCH

vi. LIMIT SWITCHvii. MERCURY SWITCH

viii. CENTRIFUGAL SWITCHix. REED SWITCHx. THERMOSTAT

e. PROTECTION DEVICES-i. FUSE

ii. POLYSWITCH

f. RELAYSg. CRYSTALS & RESONATORS