Regulated power supply using transistor tip31
#transistor
#TIP31
#regulated power supply
#voltage regulation
#DC power supply
#electronic components
#circuit design
#power electronics
#linear regulator
#voltage control
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A Transistor Based Motorcycle Alarm circuit
This circuit includes a timed output and an automatic reset feature. It can be manually operated using a key switch or a concealed switch. By incorporating an external relay, the circuit will automatically engage or immobilize the machine each time...
Robot control circuit composed of transistor and NE555
Figure 2-33 (a) illustrates the schematic diagram of a robot approaching an object. When no objects are detected in front of the robot, it moves forward in a straight line. If an object is detected on the left or right...
Bipolar Transistor HBridge Motor Driver
Schematic, breadboard photo, parts list, and results of several transistor variations on the classic bipolar H-bridge motor driver circuit.
The classic bipolar H-bridge motor driver circuit is a widely used configuration that allows for the control of DC motors in both...
Touch-on-off-electronic-switch
Transistors Q1 and Q2 control latches Q3 and Q4 to switch on the lamp. A high resistance from touching the electrode biases Q1 or Q2 on, setting or resetting the latch.
In this circuit, transistors Q1 and Q2 function as input...
Power Control
The circuit presented utilizes a two-transistor "flasher" to generate triggering pulses, replacing the traditional unijunction transistor design. This configuration allows for a broad range of control with minimal hysteresis and sensitivity to line voltage. Two diodes rectify the line voltage,...
Voltage-controlled amplifier or tremolo circuit
The transistors create a differential pair with an active current-source tail. This configuration, referred to as a variable-transconductance multiplier, produces an output that is proportional to the product of the two input signals. The multiplication effect arises from the dependence...
Transistorized flashers
Transistors Q1 and Q2 are configured as a free-running multivibrator. The output at the emitter of Q2 drives the base of the common emitter amplifier Q3, which controls the lamp. This circuit configuration allows for independent variation of flash duration,...
capacitor Explaining a car voltage regulator circuit
The circuit regulates approximately 12V from the car battery down to 5V for use by an Atmel AVR microcontroller. The presence of two capacitors on each side of the linear regulator LM7805 raises questions regarding their purpose. It is suggested...
Transistor Tutorial Power Amplifiers Part 4
An audio power amplifier can enhance weak signals from devices like tuners, CD players, or tape decks to fill a room with sound. This article emphasizes the operating principles and circuitry of low-frequency power amplifiers utilizing bipolar junction transistors (BJTs)....