DIY CF210SP AM FM Radio Kit Electronic Assemble Kit For Electronic

DIY CF210SP AM FM Radio Kit Electronic Assemble Kit For Electronic Learner
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IY CF210SP AM FM Radio Kit Electronic Assemble Kit For Electronic Learner Here is the connection diagram ...   CF210SP is a new type of radio FM, AM two band radio, the FM band using the CD9088 chip, which uses patch element SMT package, the receive frequency range of 76-108HMZ.  Not only to accept the FM radio, can also receive campus radio & part of the audio signal of the television stations. AM band using direct IC the TA7642, receive frequency range is 525-1605KHZ circuit is simple, assembly success rate, a better selectivity having a little;. amplifier circuit using TD2822 special function ICs having loud. Sound quality is good.   Circuit works:   1. Frequency Modulation (FM) section   CD9088 is a dedicated single-chip FM radio chip, Its simple external circuit, the circuit was built frequently 70KHZ phase locked loop system, selectively implemented by active RC filter, mute circuit can be suppressed non-IF signal & the IF signal is too weak. FM signal input circuit rod antenna C8 / C10 & L1 IC1 11, 12 feet into the mixer circuit, local oscillation circuit uses a variable capacitor CA / L2, etc. vitality can be achieved manually tune. Circuit R2 / C2 to squelch circuit, 3 feet to the audio loop filter capacitor C4. Indirect C13 6, 8 feet of the intermediate frequency feedback capacitor, 7 feet is connected to C14 was the low-pass capacitors, between C17 of 8/9 feet is IF coupling capacitor 10 feet connected to the C12 is a limiting amplifier low-pass capaci
Supplier: Banggood UK
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Jargon Buster (Suggest a new term - coming soon)
FM - Frequency Modulation - A band used for analog radio transmission
Radio - A device used for listening to audio transmissions
Frequency - A term used to describe how often something is done
Frequency - A wave frequency is the number of times a wave repeats within a given time
Television - A device used for receiving moving images and sound
Filter - A device used to separate mixtures
Filter - An optical device to remove or enhance particular wavelengths of light.
Audio - Also known as sound. An audible vibration wave which can be heard.
Quality - An object that has quality is superior in function and finish than a less quality object.
DIY - Do It Yourself
Simple - Basic, easy no difficulty in understanding.
Assembly - A gathering of people for a purpose e.g. a school assembly
Assembly - A gathering of people all together for the same purpose.
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Page Updated: 2018-11-28 07:26:43
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