Ch4QGcf2

5807fp+2822 power amplifier radio test passed

Overview

Final version: The previous version of the antenna has been optimized this time, and a tp4056x lithium battery charging and a dw01 battery over-discharge management chip have been added to solve the problem of battery over-discharge damage caused by forgetting to turn off the power supply.

Version 1.0: 5807fp and 2822 use the classic circuits in the chip specifications. 20 clear radio stations can be received indoors. This is thanks to Jialichuang for giving me the opportunity to learn, and the big guys in the hardware group for selflessly giving me guidance. , the effect is getting better and better. The 1117 used in the step-down chip is still a bit big when the voltage is reduced to 3.3v. I will optimize it again next time and plan to use me6209a33. If there are any shortcomings, I hope you will give me some advice.

Design Files

aaaa.mp4

All reference designs on this site are sourced from major semiconductor manufacturers or collected online for learning and research. The copyright belongs to the semiconductor manufacturer or the original author. If you believe that the reference design of this site infringes upon your relevant rights and interests, please send us a rights notice. As a neutral platform service provider, we will take measures to delete the relevant content in accordance with relevant laws after receiving the relevant notice from the rights holder. Please send relevant notifications to email: bbs_service@eeworld.com.cn.

It is your responsibility to test the circuit yourself and determine its suitability for you. EEWorld will not be liable for direct, indirect, special, incidental, consequential or punitive damages arising from any cause or anything connected to any reference design used.

Hot

Technical Resources More

Search Datasheet?

Supported by EEWorld Datasheet

Technical Videos More

Forum More

Update:2025-06-08 02:04:30

Let's play with ESP8266 - a small test
[i=s]This post was last edited by dong2213dong on 2016-8-13 00:16[/i] I bought the module on Taobao on the 4th, but the YTO Express was not very good. The board stayed in Beijing for two days, and the
Sensortile Bluetooth Programming 5: Bluetooth Anti-lost Device and Altitude Measurement
The app is tested on Samsung mobile phone 5.1 Android system. The firmware is a hexadecimal file. You can burn it to the official board for testing.
【Share your experience】Use CC2541SensorTag to measure temperature and humidity
Actually I installed it the day the package was opened, but I didn't install the battery. Today I had some time to open it and install the battery, and scanned the QR code and installed the TI mobile
Apply for EZ430-RF2500 development board
Use RF2500 development board to complete the design of QQ message reminder [[i] This post was last edited by tagetage on 2010-10-14 10:54 [/i]]
New observations on social networks and online shopping malls for component distribution
This summer, I have been attending industry exhibitions held in Beijing and technical seminars held by chip original authorized agents. I have also visited friends who are authorized agents of electro
Help with AD9854
I made a board of AD9854 by myself. After powering on, the linear power supply has 110MA, but the registers have no operation! There is also a 20M system crystal oscillator, and the UD pin is only 153

Datasheet More

Circuits More