CN206805880U

CN206805880U - 555 integrated package multivibrator patterns, inverter pattern demonstrator

Info

Publication number: CN206805880U
Application number: CN201720062834.4U
Authority: CN
Inventors: 杨国平
Original assignee: Yancheng Vocational Institute of Industry Technology
Current assignee: Yancheng Institute of Industry Technology; Yancheng Vocational Institute of Industry Technology
Priority date: 2017-01-11
Filing date: 2017-01-11
Publication date: 2017-12-26
Anticipated expiration: 2027-01-11

Abstract

A kind of 555 integrated package multivibrator patterns, inverter pattern demonstrator are the utility model is related to, belongs to Technical Teaching instrument field, it is characterized in that：Circuit is by dc source E, switch S, resistance R₁, resistance R₂, resistance R₃, integrated package I₁, integrated package I₂, capacitor C₁, capacitor C₂, capacitor C₃, diode D₁, diode D₂, transformer T, voltmeter V, oscillograph Q₁, oscillograph Q₂Composition, integrated package I₁, integrated package I₂With NE555, oscillograph Q₁For demonstrating integrated package I₁3 pin waveforms, oscillograph Q₂For demonstrating integrated package I₂3 pin waveforms, voltmeter V be used for demonstrate integrated package I₁With integrated package I₂Push-pull oscillator circuit caused voltage in transformer T secondary coil is formed, advantage and good effect are possessed by the utility model：Simple in construction, operation demonstration is convenient.

Description

555 integrated package multivibrator patterns, inverter pattern demonstrator

Technical field

A kind of 555 integrated package multivibrator patterns, inverter pattern demonstrator are the utility model is related to, belongs to electronics skill Art instruments used for education field.

Background technology

At present, in Technical Teaching, do not demonstrated on 555 integrated package multivibrator patterns, inverter pattern Instrument, student are unable to the integrated package multivibrator pattern of profound understanding 555, inverter pattern, and it is integrated that this demonstration instrument can demonstrate 555 Block multivibrator pattern, inverter pattern.

Utility model content

The purpose of this utility model is to provide a kind of 555 integrated package multivibrator patterns, inverter pattern demonstrator, energy Demonstrate 555 integrated package multivibrator patterns, inverter pattern.

What the purpose of this utility model was realized in：Circuit is by dc source E, switch S, resistance R₁, resistance R₂, resistance R₃, integrated package I₁, integrated package I₂, capacitor C₁, capacitor C₂, capacitor C₃, diode D₁, diode D₂, transformer T, voltmeter V, oscillograph Q₁, oscillograph Q₂Composition.It is characterized in that：Integrated package I₁, resistance R₁, diode D₁, diode D₂, resistance R₂, electric capacity Device C₁, capacitor C₂Symmetrical expression multivibrator is formed, is oscillating impulse by dc source E voltage conversion, by integrated package I₁'s 3 pin export；Integrated package I₂, resistance R₃, capacitor C₃Schmidt trigger is formed, phase inverter effect is played, by integrated package I₁3 The anti-phase rear output of oscillating impulse of pin output, so, integrated package I₁With integrated package I₂Form push-pull oscillator circuit；Integrated package I₁With NE555, integrated package I₂With NE555, oscillograph Q₁For demonstrating integrated package I₁3 pin waveforms being operated under multivibrator pattern, Oscillograph Q₂For demonstrating integrated package I₂3 pin waveforms being operated under inverter pattern, voltmeter V are used for demonstrating integrated package I₁With Integrated package I₂Form push-pull oscillator circuit caused voltage in transformer T secondary coil.

Because using above-mentioned technical proposal, advantage and good effect are possessed by the utility model：It is integrated that 555 can be demonstrated Block multivibrator pattern, inverter pattern, simple in construction, directly perceived accurate, operation demonstration is convenient.

Brief description of the drawings

The utility model is further illustrated with reference to the accompanying drawings and examples.

Fig. 1 is circuit theory diagrams of the present utility model.

Fig. 2 is overall structure diagram of the present utility model.

E. dc sources S. switchs R in figure₁Resistance R₂Resistance R₃Resistance I₁Integrated package I₂Integrated package C₁. Capacitor C₂Capacitor C₃Capacitor D₁Diode D₂Diode Q₁Oscillograph Q₂Oscillograph V. voltmeters T. The demonstration board of 1. base of transformer 2.

Embodiment：

In Fig. 1, dc source E positive pole connects switch S one end, switchs the S other end while connecting resistance R₁One end, Integrated package I₁8 pin, integrated package I₁4 pin, integrated package I₂8 pin, integrated package I₂4 pin, resistance R₁The other end simultaneously connect collection Blocking I₁7 pin, diode D₁Positive pole, diode D₂Negative pole, diode D₂Positive pole connecting resistance R2 one end, resistance R₂'s The other end meets integrated package I simultaneously₁2 pin, integrated package I₁6 pin, capacitor C₁One end, diode D₁Negative pole, capacitor C₁ The other end simultaneously meet integrated package I₁1 pin, dc source E negative pole, integrated package I₁5 pin meet capacitor C₂One end, integrate Block I₁3 pin simultaneously meet oscillograph Q₁One end, resistance R₃One end, transformer T primary coil one end, resistance R₃It is another One end meets integrated package I simultaneously₂2 pin, integrated package I₂6 pin, integrated package I₂1 pin simultaneously meet oscillograph Q₁The other end, electric capacity Device C₂The other end, dc source E negative pole, integrated package I₂5 pin meet capacitor C₃One end, integrated package I₂3 pin connect simultaneously Oscillograph Q₂One end, transformer T primary coil the other end, oscillograph Q₂The other end simultaneously meet capacitor C₃It is another End, dc source E negative pole, two termination voltmeter V of transformer T secondary coil both ends.Integrated package I₁With NE555, collection Blocking I₂With NE555, dc source E is 5 volts, resistance R₁For 18 kilo-ohms, resistance R₂For 18 kilo-ohms, resistance R₃For 10 kilo-ohms, electric capacity Device C₁, capacitor C₂, capacitor C₃It is 0.01 microfarad, diode D₁, diode D₂It is 1N4148, oscillograph Q₁For demonstrating Integrated package I₁3 pin waveforms being operated under multivibrator pattern, oscillograph Q₂For demonstrating integrated package I₂It is operated in phase inverter mould 3 pin waveforms under formula, voltmeter V are used for demonstrating integrated package I₁With integrated package I₂Form secondary of the push-pull oscillator circuit in transformer T Caused voltage in coil.

In fig. 2, dc source E, switch S, integrated package I₁, integrated package I₂, voltmeter V, oscillograph Q₁, oscillograph Q₂ The front of demonstration board 2 is fixed on, other elements are fixed on the reverse side of demonstration board 2, connected with wire.

Demenstration method：ON switch S, oscillograph Q₁Display：It is full symmetric that 5 volts of DC voltages are converted into " 1 " and " 0 " , 5 volts of amplitude, the oscillating impulse of 4 kilo hertzs of frequency；Oscillograph Q₂Display：Integrated package I₂3 pin waveforms and integrated package I₁3 pin ripples Shape is anti-phase；Voltmeter V shows transformer T secondary voltage.

Claims

1. a kind of 555 integrated package multivibrator patterns, inverter pattern demonstrator, circuit is by dc source E, switch S, resistance R₁, resistance R₂, resistance R₃, integrated package I₁, integrated package I₂, capacitor C₁, capacitor C₂, capacitor C₃, diode D_I, diode D₂、 Transformer T, voltmeter V, oscillograph Q₁, oscillograph Q₂Composition, it is characterized in that：Dc source E positive pole connects switch S one end, opens Close the S other end while connecting resistance R_IOne end, integrated package I₁8 pin, integrated package I₁4 pin, integrated package I₂8 pin, integrated package I₂4 pin, resistance R₁The other end simultaneously meet integrated package I₁7 pin, diode D₁Positive pole, diode D₂Negative pole, diode D₂Positive pole connecting resistance R₂One end, resistance R₂The other end simultaneously meet integrated package I₁2 pin, integrated package I₁6 pin, capacitor C₁ One end, diode D_INegative pole, capacitor C₁The other end simultaneously meet integrated package I₁1 pin, dc source E negative pole, integrate Block I₁5 pin meet capacitor C₂One end, integrated package I₁3 pin simultaneously meet oscillograph Q₁One end, resistance R₃One end, transformer One end of T primary coil, resistance R₃The other end simultaneously meet integrated package I₂2 pin, integrated package I₂6 pin, integrated package I₂1 Pin meets oscillograph Q simultaneously₁The other end, capacitor C₂The other end, dc source E negative pole, integrated package I₂5 pin connect electric capacity Device C₃One end, integrated package I₂3 pin simultaneously meet oscillograph Q₂One end, transformer T primary coil the other end, oscillograph Q₂The other end simultaneously meet capacitor C₃The other end, dc source E negative pole, two termination voltages of transformer T secondary coil The both ends of Table V, integrated package I₁Use NE555.