simple preamplifier circuits by transistors
Posted on Feb 4, 2014
Related Circuits
New Circuits
-
This project fits more for custom made battery casing that can have more space to hide things inside. This switch with few alterations can be used for any other project as well but is designed based on e-bike needs! This project use a clever functionality of.... -
The circuit described here uses ultrasonic oscillations and operates based on the propagation velocity of these oscillations in the air. Thus, we can easily determine the distance of two points if the time within which the wave travels this distance is.... -
Sometimes the precious metals are hidden too deep and are not detected except with complicated devices. In many cases, however, small pieces of precious metal buried near the surface can be detected by relatively simple means. Everyone is very attractive to.... -
Many times for various reasons we forget or can not water the plants that we have in our homes. And many humidity sensors units just notify us with a beeping sound or with a flashing light, that the pot needs watering. But what if we are away from home? This.... -
The principle behind a metal detector is really very simple. Proof of this is the circuit that follows, in which it proves that the construction of a metal detector can be done in the minute, with few components that we find very easily everywhere. With the.... -
The sub-harmonic bass generator is a sound producing unit for guitars. The sound it produces looks very much like that of the bass guitar. The octave generator is sometimes quite unusual since it does not produce any of the usual ways of coloring the sound,.... -
In the past the sounding (sea bottom measurement) was done with the "bullet", that is, with a heavy lead object that the seamen plucked into the sea hung from a calibrated rope. As soon as the "bullet" reached the bottom, the depth appeared directly from the.... -
This Amplifier was designed to have the following specifications: Distortion less than 0.1% at full power of 100W even at 20KHz. Power has to be attributed to an extended bandwidth. The output transistors must be protected against short circuits. The power.... -
A series of LEDs serve to alert the gardener when plants need water. Using two conventional digital integrated LEDs and a series of LEDs, we make a very useful device for gardening. The device detects the amount of water in the pot and alerts the grower.....
.
Here the popular 555 timing IC, is wired as a monostable. The timing period is precise and...
Simple and low cost. The optimal supply voltage is around 50V, but this amp work from 30 to 60V....
Both circuits use the GE. SC146B, 200 V, 10 A Triac as load current contacts. These triacs are...
The circuit of the transmitter is shown in Figure 1, and as you can see it is quite simple. The...
Tube Distortion Pedal circuit diagram. IC1 : 747 dual op-amp, other ICs may be substitued but...
This RF Wave Absorbion meter will detect signals between 10cms and 10m away all acording to the...
This article is about a simple 5 channel radio remote control circuit based on ICs TX-2B and...
Circuit shows the operation of an ultrasonic motion detector. There are two transducers, one...
The MAR6 (MSA-0686, 0685, 0885) is a high performance silicon bipolar Monolithic Microwave...
Integrated AF power amps have seen great improvements in recent years offering improved power and...
From what I understand, an SCR is like a diode that can either be turned on to act like an...
The following plans describe how to build a very small tracking transmitter that can be tracked...
The first circuit of nickel-cadmium battery discharge before recharging to eliminate the...
As shown in FIG constituted by RF2104 830MHz *** amplifier circuit works. Radio frequency (RF)...
Construction and operation of the brushless motor windings principle e Structure and working...
Due to the amplifier frequency characteristics and impact of parasitic capacitance, to make...
characters left: