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As expected, it’s a dual band (AM/FM) radio, with the whole kit coming in at a reasonable AU$7.99 including postage and comes complete with exterior casing. I settled on one which was listed as CF210SP AM FM Radio Kit, with a few other “related” words thrown in. So, I rummaged on eBay looking for radio kits, and surprisingly, there were quite a few! Sadly, a good number of them are very opaque in the sense that they rely on a digital auto-scan FM receiver chip and there really isn’t much to them aside from that and an amplifier chip. I was aware of the Tecsun 2P3 which looks to be a very nice kit, but a bit on the pricey side for an AM only radio. Seeing as I enjoyed reviving a few of Dick Smith’s Funway 2 Pocket Transistor Radio kits, I wondered if there was anything out there I could build which would be a little more attractive and perhaps slightly more sophisticated. I actually tried this on my second kit and it was a disaster.It’s been a bit quiet around here lately – I’m just swamped with work, and it never quite goes away, but neither does the desire to do something for my own enrichment and enjoyment … and the desire to blog about it. Once that is soldered into place, you can breathe a sigh catasheet relief as the worst part is over. The other comment about using solder paste and running the tip along the pins is one i agree with also, even if some clean up is required afterwards. Once it is soldered, the speaker can be glued into the front casing with hot melt glue around the dataaheet or superglue if unavailable. The other two battery terminals form the positive and negative. January 17, at 3: There is also a jumper wire marked with a J - this can be made with a scrap electrolytic capacitor leg. From here, we can mount the two copper air-coiled inductors. The unit has an Datasheett of about 70kHz, and features a frequency locked loop with internal muting of weak signals. That way you can flip the board over and solder the leaded parts without them sliding down to the table. Massage it over the end of the rod, and glue into place optional.Ībout one to two hours of time dataseet complete the kit. The reamed hole first the jack a lot better. Project: Paeansonic CFSP CD+CD AM/FM Radio Kit | Gough’s Tech Zone The pleasure is probably only the build, test and hearing something from it or breaking it. Secure the rear of the case to the front using three long tapping screws on the exposed holes, and a short tapping screw on the hole inside the battery compartment. Rather nicely, the PCB is a single sided paper-type board with silkscreening on both sides which is very datawheet, and solder mask on the rear.Ĭool kit and fun to build. The next step is to align the AM band.Įverything is in Chinese. Ordering two ensures that you have cd9808 spares in case things do go wrong ….
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Of interest is that the reception mode switch actually switches the audio path to the amplifier. November 10, at 3: Now, the screws need to be sorted and the dials installed. Start by securing the PCB to the front of the case using a short tapping screw on the stud in-between the volume and tuning dials. Frank McCaffery Dec 20 Assembled without too much trouble. This might be the case especially near dafasheet headphone jack. CD9088CB Даташит - Monolithic Power FM radio tunerĭo the soldering with the antenna on the benchso not to melt the casing, and ensure adequate heat. That leaves the TDAwhich is a stereo audio amplifier chip to drive speakers and headphones. Once that is dialled in, the unit has been tuned and the radio should now be somewhat functional. Hi, I have had made it 3 times, and the last was today.
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CD Datasheet, PDF – AlldatasheetĬonclusion After enjoying repairing a few AM radio kits, I embarked on a challenge to build a cheap Chinese dual-band radio kit. Rather unimpressively, each kit comes in a bubble wrap package.
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Preparation We start by first emptying all components into a plastic bowl so they can be sorted through. cd datasheet, cd datasheets, cd pdf, cd price, cd buy, cd stock.īy now, most of the remaining components are resistors or capacitors. It is used when a minimum of peripheral components (of.
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The YD is a bipolar integrated circuit for use in mono portable and pocket radios. CD Datasheet – 1-Chip FM Electrical Tuner IC, pdf, pinout, equivalent, replacement, schematic, manual, data, circuit, parts, datasheet.