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RDA5807 87MHz-108MHz FM Radio Receiver DIY Kit
1.Introduction:
It is a 3.0V RDA5807 87MHz-108MHz FM Radio Receiver DIY Kit. It is a simple FM
receiver and can be used all over the world with power by AA*2 battery. It is very suitable
for users to learn electronic circuits, practice and proficient soldering skills, enhance
electronic professional knowledge and interest.
2.Feature:
1>.Universal frequency 87MHz-108MHz
2>.Stable fixing bracket
3>.Support battery charging function
3.Parameter:
1>.Product Name:RDA5807 FM Radio Receiver DIY Kit
2>.Work Voltage:DC 3.0V
3>.Power Type:AA*2 Battery
4>.Channel: Dual channel
5>.FM Frequency: 87MHz-108MHz
6>.Frequency accuracy:0.1MHz
7>.Equivalent noise:>=30dB
8>.Work Temperature:-25℃~85℃
9>.Work Humidity:5%~95%RH
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Summary of Contents for ICStation GY21106-1
- Page 1 RDA5807 87MHz-108MHz FM Radio Receiver DIY Kit 1.Introduction: It is a 3.0V RDA5807 87MHz-108MHz FM Radio Receiver DIY Kit. It is a simple FM receiver and can be used all over the world with power by AA*2 battery. It is very suitable for users to learn electronic circuits, practice and proficient soldering skills, enhance electronic professional knowledge and interest.
- Page 2 10>.Size(Installed):123x95x56mm 4.Function: 1>.Buttons VOL- and VOL+ are used to adjust volume. 2>.Buttons FM- and FM+ are used to switch FM stations. 3>.The toggle switch on the side is the power switch. 5.Component Listing: Component Name PCB Marker Parameter Metal Film Resistor R7,R8 1Kohm Metal Film Resistor...
- Page 3 7.Installation Tips: 1>.User needs to prepare the soldering tool at first: 1.1>.Small screwdriver 1.2>.Small wire cutters 1.3>.Fine tip soldering iron(Recommend using a fine point soldering tip) 1.4>.Good quality small gauge solder(recommend no larger than 1.0 mm) 1.5>.Magnifying glass 2>.Please be patient until the installation is complete. 3>.The soldering iron can't touch the components for a long time(1.0 second), otherwise it will damage the components.
- Page 4 3>.Step 3: Fix RDA5807: Use a soldering iron to melt tin on the pad just now and hold RDA5807 with tweezers in the other hand to place/press on U1 to prevent movement. Take care to match and align each pads. Then remove soldering iron. Then remove tweezers after solder tin cooling and solidification.
- Page 20 11.SMD IC Installation Method: 1>.Step 1: Melt a small amount of solder on the pad which IC can placed(It is used for positioning the chip in the next step). 2>.Step 2: Hold the chip with tweezers and adjust the position so that the pins of the chip coincide with all the pads and are close to the pads.Pay attention to the mounting direction of the chip.