FM Transmitter

This low-power video transmitter is suitable for remote control, surveillance or amateur radio occasions. It uses 7 transistors in the transistor oscillator to prepare for the RF power amplifier chain and the high-level video modulator. The circuit r

Posted at 20-10-16 by SKYSKY views(354)

High Frequency PCB Design: Factors Affecting RF Signal Performance With the rise of the Internet of Things technology, it is becoming more and more common for electronic products to carry wireless communication functions, and wireless communication t

Posted at 20-09-28 by SKYSKY views(782)

When purchasing a wireless network bridge, many people are very concerned about the transmission distance of the wireless network bridge and think that the performance of the long transmission distance is better. So how far is the transmission distan

Posted at 20-09-21 by SKYSKY views(362)

9800 Series UHF transmitter unit is more commonly used in CATV trunk amplifier module for doubling the output power transmission equipment equipment. Practice has proved that either Motorola or Philips with the module , the effects were just as good

Posted at 11-11-23 by Sky views(1862)

The mid-power radio frequency amplifier can be used as a pre-driver in the radio frequency power amplifier of the transmitting circuit, and can be used for signal amplification in the receiving circuit. It is an important part of the radio frequency

Posted at 20-09-14 by SKYSKY views(731)

How to improve the efficiency of RF power amplifier? The basic laws of thermodynamics reveal that no electronic equipment can achieve 100% efficiency-although switching power supplies are relatively close (up to 98%). Unfortunately, any device that g

Posted at 20-09-16 by SKYSKY views(747)

Center-focused satellite antenna Center-focused satellite antennas are generally called positive-focus antennas, or parabolic antennas. Regardless of the depth, the arc of the antenna disk is parabolic. The center-focus antenna is characterized by a

Posted at 20-09-17 by SKYSKY views(1535)

FM Transmitter A portable FM transmitter that can be used to replace a FM microphone. Notes: This simple transmitter operates from a 9V battery as shown above. I personally built this for a purpose. This is how it happened:- members of my singing gr

Posted at 20-09-17 by SKYSKY views(473)

Software radio is a brand-new architecture based on broadband A/D devices, high-speed DSP chips, and software as the core. The basic idea is to put the broadband A/D as close as possible to the radio frequency antenna in order to digitize the receive

Posted at 20-09-17 by SKYSKY views(479)

Design of RF Transceiver Circuit Based on TRF6900 MCU This article introduces the structure, principle, characteristics and application circuit of TRF6900. TRF6900 is a single-chip radio frequency transceiver chip, which integrates a complete transmi

Posted at 20-09-18 by SKYSKY views(547)