Antenna projects
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Zeroth-order resonant (ZOR) antenna manufactured on microstrip transmission lines has attracted great interest in the small antenna applications. Many techniques have been employed in order to miniaturize the composite right/left handed (CRLH) transmission.... -
The antenna amplifier circuit has a part count of about 40, using the following active parts: 2 NPN transistors (BC548`s), 1 MOSFET (BF981), 2 Varicap diodes (KV1235), as well as a 6v2 zener-diode. there is and a 330uH (micro Henry) inductor / coil, which.... -
The Anderson Loop is the simplest detector. Most hams don`t refer to it as an Anderson Loop, and I`ve only seen the loop described as such by the folks who patented it. A good example of an analyzer that uses this detector is the VK5JST Aerial Analyzer..... -
Here is abooster antennacircuit for 550Khz to 1650Khz. to amplify the input from a telescopic antenna. cover the medium waveband from about 550Khz to 1650Khz. To drive low impedance (50 ohm) receivers, the medium output impedance of the BF981 stage is.... -
Use this fm antenna amplifier in areas where the signal reception of FM stations is too bad. This circuit is just the right thing to do it. It is designed... -
UHF antenna booster can be used for better reception, especially when you`re far from TV station / relay transmitter. This UHF antenna booster works in 400-850... -
This amplifier has VHF (very high frequency) and UHF (ultra high frequency) response, you can use it for receiver booster for example. Here is the schematic... -
Together with a good directional antenna this high performance two-stage antenna amplifier for the VHF FM broadcast band will enable you to capture far rem... -
The loop may be fed inside the center of one of the vertical sides if vertical polarization is preferred. For horizontal polarization, it can be necessary to feed either in the horizontal sides in the center. Optimum directivity happens at proper angles.... -
I`ve designed IFA antenna in Altium as described in DN007 and created a balun circuit from the schematic design of CC2500EM Reference Design (swrr016a). I`m very new to RF designs, as I could understand from application notes and forum posts; this design.... -
The "green area" is where should be placed the TRF7970A `s antenna (Between 0 ohm resistors, the antenna should be connected). TRF7970A `s antenna can be done step by step according to the document "Antenna Matching for the TRF7960 RFID Reader (SLOA135) "..... -
This Blog show the Different Electronics Circuit Design, Application, Fields and Resources which could help students, engineers, professionals, and common people whose interest is in electronics! For your comments, suggestions, or your looking for a circuit.... -
This HD TV UHF wideband amplifier(Ultra High Frequency amplifier) has a total gain of 10 to 15 dB in the 400 ? 850 MHz domain frequency so it can be used where the tv signal is weak. For this UHF antenna tv amplifier to work correctly you need to cut the.... -
Here`s a design circuit for very simple antenna amplifier electronic circuit project can be designed using this circuit diagram. This antenna amplifier electronic circuit can be used for a frequency range between 1 and 300MHz. This circuit antenna amplifier.... -
This Wideband DTV UHF Antenna TV Amplifier has a total gain of 10 to 15 dB in the 400 850 MHz domain frequency.... -
Two aluminum rods, each of length "L" in meters are joined together through an insulator as shown in fig. From center, 75 ohm cable is feeded just like ordinary TV antenna... -
This is an UHF band TV antenna preamp circuit with 15dB gain and build by a transistor. It is formed based on BF180 UHF Transistor. This circuit is a simple circuit. This is a figure of the circuit. The principle operation of the circuit is two stages. The.... -
This up/down timer was designed to control a power antenna on a late-model vehicle. Normally, this vehicle uses a body computer to control the antenna. However, the person who owned the vehicle wanted to install his own high-powered audio stereo system. The.... -
Input coil L1 consists of four turns of 20SWG enamelled copper wire (slightly space wound) over 5mm diameter former. It is tapped at the first turn from ground lead side. Coil L2 is similar to L1, but has only three turns. Pin configuration of transistor.... -
It is tapped at the first turn from ground lead side. Coil L2 is similar to L1, but has only three turns. Pin configuration of transistor 2SC2570 is shown in the fm antenna booster schematic. Adjust input/output trimmers (VC1/VC2) f.. -
The circuit of active shortwave antenna presented here boosts weak shortwave signals so that these can be heard with enhanced clarity over a shortwave receiver. Further, the receiver doesn`t require any physical connection as its placement in the vicinity.... -
Low power ( 3 to 30 MHz) transmitters constructed by hams are generally called QRP`s. For such transmitters a well tuned antenna is a must. If the impedance is not properly matched there will be a little or no output. But if properly matched there will be.... -
The circuit shown here is of a TV antenna booster based on the transistor BF180. The circuit operates in the UHF band and has a gain of 15dB. Capacitors C2, C3 C4, C5 and inductors L3, L4 forms a UHF band pass filter. The input signal is fed to the emitter.... -
This is a very simple circuit of UHF band TV antenna booster with 15dB gain power. This low cost antenna booster is simple and easy to build. This .... -
This document provides details on using the ATA6833-DK for BLDC Motor Control applications. The BLDC Motor Control Kit consists of two boards: Basic board with a BLDC Gate Driver SBC (System Basis Chip) ATA6833 ATA6834 and external MOSFETs Controller board.... -
The CYWUSB6953 is a complete Radio System-on-Chip device, enabling many simple RF systems to be implemented with a single device and a handful of Discrete components. The CYWUSB6953 is designed to implement low cost Wireless systems operating in the.... -
On-Glass Antenna Amplifi er AGC IC LA1070 The LA1070 is an Automatic gain control IC for use with automotive on-glass Antennas By Sanyo Semiconductor Corporation .. -
A very simple active antenna can be designed using this electronic circuit diagram. This active antenna is based on transistors and other few common electronic components. Because in practice of frequency short-wave reception, the general rule is that if the.... -
T1 transistor must be BF200 type (or similar ) and the other transistors can be BF214 type. For high efficiency, the antenna amplifier must be placed at a small distance from antenna. This amplifier circuit can be powered using a power supply that supply an.... -
This antenna amplifier is very useful for 35kHz-150Mhz frequency band. This antenna amplifier circuit is based on transistors and has a low 3dB non-linearity and a high gain of 43 dB. The input and output impedance for this rf amplifier is 75 ohms. All used....
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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.....
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