2022年12月1日 · We use the Simple Zener diode voltage regulator as main ideas, and two transistors to increase current to the load at 1A-2A. This regulated power supply included a transformer-T1, a bridge-D1…D4, and the 38V DC filtering voltage regulator circuits, which consists of C1, C2, R1, R2, R3, Q1, and Q2.

2020年2月11日 · For a detailed description of pinout, dimension features, and specifications download the datasheet of 2N3055. This circuit is capable of providing a DC voltage source of 12 volts with a current of max 3A. The power supply circuit uses a …

2025年2月19日 · Simple dual-rail voltage regulator using Zener diode circuit diagram. When electrical current flow to the Zener diode in the reverse breakdown voltage. Making the voltage across it is the constant—voltage regulator—to a load. In the circuit above, it is so easy. There is an unregulated DC power supply here.

2024年7月23日 · We can use a Zener diode that a low-temperature coefficient (5.6V), to cause the output voltage to depend on the op-amp gain only. The op-amp input does not pull current from the Zener diode. Thus, the Zener diode current …

2024年7月31日 · If a specific minimum value is required the diode can be substituted with a zener diode having the specified value. Consequently, in this variable power supply circuit utilizing the 2N3055 transistor and a 0 to 40V transformer the output ranges from 0.6 to a maximum of 40V a highly practical range.

Transistor-Zener Diode Regulator Circuits. by Lewis Loflin. Updated, revised October 2016. This will explore the basic operation of Zener diodes and their use as voltage regulators. They will be used in conjunction with common bi-polar transistors to boost the output current and can used for real-world voltage regulators by students and hobbyists.

2012年4月14日 · This plain converter using a Zener diode and a transistor into a 9V DC 12V DC battery power to the most 1A. The circuit is very simple to build, and requires just 3 electronic components, resistors, zener diodes and transistors.

2023年5月23日 · This 50W power amp uses three 2N3055 transistors and an IC called LM3900 to support the device. When we provide input, we get the 50W at the output. The circuit 2N3055 Power Amplifier Circuit is what we choose, even though they are extremely old transistors, the sound is still quite nice and vintage.

2022年3月14日 · The circuit uses a transformer, bridge rectifier, transistor 2N3055, a Zener diode, and a few passive components. The circuit at the output will yield a constant voltage of 12V and up to 3A current.

2024年2月14日 · Build a 12v 3a Power supply circuit using 2N3055 NPN transistor. Most of the electronic device need high current so it is useful.