how to make radio AM | AM Radio Electronic DIY Kit | Assembly & RUN

Building a Super Simple AM Radio Receiver
how to make radio AM , AM Radio Electronic DIY Kit , Assembly & RUN
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[@mading789]

清楚的看到电路图是简体中文的，老古董了，上小学的时候就喜欢自己组装收音机，现在是老年人了。买来一大堆电子元器件开始焊接，安装调试好后听到喇叭发出的声音就会觉得满满的成就感。😊😊😊

[@Bartok_J]

One day, I'll see a video showing the correct way to align one of these Chinese radio kits. Goodness knows what all that fiddling with the slugs from about 10 minutes onwards was for, other than to misalign transformers that probably were best left alone.
A signal generator is useful but not necessary as all alignment can be done on a "weak but stable" off-air signal.
I've built several of these kits, including this particular model (and they've all worked well). ♥
Every Chinese kit I've built came with pre-aligned IF transformers. They were almost spot-on, and only needed a slight tweak when the set was up and running.
If you've built the kit correctly, it should be receiving at least some signals without further alignment. If it doesn't, then check the wiring, look for solder bridges and dry joints, and check the circuit voltages before you go adjusting anything.
The general rule: adjust coils at the low frequency end, and capacitors at the high. The trimmer capacitors are those little screws on the back of the main tuning capacitor.
When the set is receiving signals, it's necessary to align the front end to obtain optimum sensitivity over the whole range. Tune the radio to a signal near the bottom of the band. Then slide the coil back and fourth on the ferrite rod to obtain best results.
Then you do the same with a signal at the top end of the band: only, this time, the adjuster will be one of the trimmers on the back of the main tuning capacitor. One adjusts sensitivity, and that's the one to adjust. Then repeat the coil adjustment and, when no further improvement is obtained, secure the coil on the ferrite with a little wax or glue.
Final step is to adjust dial calibration. Again, coil at the low end, capacitor at the top. This time, you need to adjust the oscillator coil (the can with the red slug) so that the dial markings are correct for a station of known frequency at the low end. Then repeat the procedure for a station at the top end, only this time, adjust the OTHER trimmer on the main tuning capacitor. Repeat a few times until calibration is correct (as close as it can be on a simple dial like these).
THEN you can try a slight tweak to the IF transformers, though that probably won't make much difference. Happy listening! ☺♥

[@user-qw2oq6rg5p]

Isti tranzistor sam imao u vojsci,samo sam u umesto malih stavio dve brodske baterije bile su ogromne kao limenka pola litra jedna a 1,5 volti.Sta je imala sve Jna ex Yugoslavia❤

[@nanangbudihermawan2598]

Good job mr

[@jj74qformerlyjailbreak3]

United States, Ohio to be specific.
I doubt I’ll win the contest but it wouldn’t stop me from learning great tips and tricks as I always do from your channel. You are an inspiration for many. I assure you.
God Bless and keep up the great work.

[@topikhodiri9587]

Kerja bagus. Saya suka radio analog...

[@lkzone8981]

Good from Bangladesh ❤

[@Shimaneko227]

このAMラジオキット、中華製じゃないか😱 本格的な計測機器を用いて調整し、しっかり受信できていましたね。周波数帯が日本のAMラジオと同一みたいです。

[@user-pk3bt8xb2o]

Good job to you 💯💯💯💯💯💯

[@radhe-krishna14]

I love it works and want to learn ❤❤❤

[@joaojuvencio4802]

Já montei um rádio quando estudei no Instituto Universal Brasileiro Curso de Eletrônica, isto nos anos oitenta, passei muito tempo estudando pra poder ir recebendo as peças para concluir a montagem. Tudo isso por correspondência. Foi legal!

[@Carlos___]

O que é essa peça laranja q aparece em 1:00 ?

[@joaojuvencio4802]

​@@Carlos___essa peça é a que aumenta e diminue o volume do rádio.

[@markospaulo6283]

Vendo esse radio me deu nostaugia da epoca q os radios estavam no auge, eu era criança 😅

[@gilhermedemelo9550]

Eu já tive um rádio desses 😊.

[@user-po7vs3cz7f]

Todo mundo 🌍🌎 critica y destruye, pero nadie enseña como hacerlo, buen trabajo 😊😊😊😊😊

[@user-zg6nm2hp1y]

Old is gold ❤❤❤ it

[@MAHAKALBAJARANGBALI]

I have also repaired such radios and I used to love listening to songs, even now I listen to radios from mobile apps.❤

[@gerryroberts662]

Wow that was built quickly.. neat..

[@60pluscrazy]

Nostalgic ❤❤

[@tecnicoenlavadoras6531]

Esto me recuerda que debo reparar varias radios antiguas de A.M.,saludos.-

[@JoseManuel-of9xy]

És um grande artista parabéns pelo seu trabalho

[@ikhoChvolume12]

Good job

[@planker]

Excellent. You have given me the confidence to get started on my kit. I am hoping the test points on final check will get me close I don't have a signal gen. You have been a big help. Subscribed.

[@roshanali4486]

Printed cricket best for beginners thanking you very much brother

[@dedehermawan1698]

Project ini seolah mengulang kembali kenangan masa lalu..

[@andreastriwinarto4422]

Sudah berhasil merakitnya pak?

[@TENETELOS1986]

Excelente projeto.

[@nationalelectronicssrilanka]

Not to brag or anything, but I cAmazing stunt. His daughter has the best manners. David your best performance is you raising a fine human being. All stunts you do are impressive. Following you for a long time now. The Best.hanged the lightbulb in my hallway while standing on a kitchen chair last week.

[@adeyemijames1582]

I like the background musical tune. It's very cool.

[@yellaiahvanumula1305]

Super bro next FM radio board fitting please

[@Dark-eis]

Я думал радио петь песни будет,
но работа хорошая, радио топ 👍

[@Yran-io1bi]

Exente trabajo❤

[@nawazishhussain2431]

Beautiful video

[@ravidrm0729]

Love from srilanka

[@fiddlyphuk6414]

When I was young, we had one weak AM rock and roll station (5000 Watts and 120 miles distant) that I always listened to and one local AM station that always came in very strong. I really only listened to those two stations. Had I known then, I would have just tuned the radio circuitry for the best sensitivity on the weak station with the IFs tuned to 455KHZ and left it at that. Would have also incorporated a tuned long wire outside antenna to inject more signal into the radio's front end, which is easy to do. Just make sure the outside antenna is lightning protected- I've seen many old radios that used outside antennas exclusively for reception with antenna coils burnt open from the antenna not being protected.

[@mochamadharso6545]

Terima kasih buat lembaga pendidikan kejuruan Kartini.
Di jln Muwardi Grogol jkrtbrt .barokah belajar selama 1 th bisa punya ketrampilan buat bekal sampai saat ini

[@janetwinslow2039]

As other posts have said, you're just twiddling stuff! The proper way to do it:
Set the IFs to 455 kHz (or whatever they are.) If you can't adjust them with a 455 kHz source, leave them alone and hope they are adjusted properly already.
Go the HF end of MW and adjust the trimmer slot on the variable cap that tunes the stations. There are 2 trimmers, use the one that tunes stations and adjust it to bring a station on the correct frequency on the HF end of the dial. Tune to LF end and adjust the red core on a station to bring it to the right place. Back to HF end and repeat HF procedure.
Once calibration is correct adjust sensitivity by peaking signal strength on LF end by sliding coil on ferrite rod, and on HF end by adjusting the other trimmer capacitor on the main tuning cap.

[@RI-ns8wz]

I concur 100% with that. I am from Argentina, and before 1978's football world championship, radios were so expensive that I bought a lot of kits and put them together, to sell. I had experience with valve radios too, and I can tell with perhaps 98% of certainty that the IF coils were always tuned right out of the factory.

[@jimmyjudha8424]

​@@RI-ns8wzyou are the legends.
I wonder how many IF stage radio have back then.

[@jimmyjudha8424]

​@@RI-ns8wzyou are the legends.
I wonder how many IF stage radio have back then.

[@shindvs]

I use to make transistor during 1978. Famous brand in India named Jerking

[@rickybelaongtv.3994]

New supporter friend,

[@marcosoliveirasantos3243]

Gosto desses kits. ótima montagem!

[@user-sb5zh6zd7s]

Kesukaan saya waktu kecil saya sering membongkar radio dan melihat isinya...

[@edwardreichard3852]

New at this! Was wondering about the bridging that was done near the end

[@user-io3yy9vp9n]

Ceramic IF filters are for weaklings. And here is real superheterodyne hardcore! The dream of every true radio amateur.🤩😍🤗

[@saptobudiyono2303]

😊net pernah radio am persis kayak di video tsb,apa msih ada PCB+komponen2 tsb net pengen merakit lagi,kalo ada net mau beli+free ongkir 😮

[@sidd7775]

Woooówooooo fantastic 😍

[@MonkeyLove-tv3jb]

good

[@claudiomartinez2264]

Lamentablemente , ya no hay emisoras am , por lo menos aqui en chile...años atras , la radio am hacía furor. Hoy en dia, las pocas que quedan , son utilizadas por grupos evangélicos...se extraña aquella época...

[@Stan0708]

O mesmo ocorre no Brasil , as emissoras de AM migraram para FM.
As emissoras que ficaram no AM estão com programação evangélica.

[@locutor-todotipodevoces]

Todo para decir "chile". A nadie le importa tu país.

[@SlowbutSure490]

Unfortunately nowadays it is very rare to hear the radio, Unfortunately nowadays it is very rare to hear the radio, Unfortunately nowadays it is very rare to hear the radio, Moreover, AM signals. But this video tutorial is very good and helpful for beginners who are learning

[@user-ql7sv3vg3w]

А что в Франции уже не делают свои приемники? АлиЭкспресс рулит?

[@user-zk3uj7dx6k]

Devre güzel, bütün eski radyolarda bu devrenin bi benzeri var, fakat bu kadar iyi yakalayamıyorlar.

[@UTintHo-le1yw]

အော်စီလေတာဘူးအနီရောင်နှင့်IFဘူးအဝါ အဖြူ အနက်ဘူးအင်ပို့အောက်ပို့ပါသောတလိုင်းဆွဲရေဒီယို။

[@md.shariarkabir7350]

My father's old Radio 😢❤

[@jamirosantos]

É bom prestar atenção sem barulho de som

[@prabhakarv4193]

Very nice

[@gardening5164]

Input and output transformers and IF transformers for frequency alignments in olden days.

[@geraldocorsini4436]

Ja montei no anos 80 e gostaria de me divertir novamente.
Onde conseguir o kit ?

[@outboyronyplusout2562]

nice

[@ntv7981]

super video

[@RakibKhan-dy7hz]

Well done 💯

[@user-gk8co5wb6t]

nice but i want PCB radio world resiver AM FM And Sw bands along with Tv band

[@joshisongs8480]

Very nice 👌

[@user-hf7fv4zu6h]

Да уж. Всегда мечтал сделать радио на средних волнах, чтобы слушать китайцев.

[@user-io3yy9vp9n]

А гдеже твои станцыи типа "Маяк" и всё такое?

[@user-y6ancif86b]

​@@user-io3yy9vp9nпо проводам вещают.

[@Cutting_Fruits99]

Good idea 👍💡

[@waleedantar4991]

I love the AM radio, but to make it is only one issue : how can I get the variable capacitor, IF, long coil and small transformers ?

[@inventorkr1]

It can be found in scrap or purchased from Ali Express or eBay

[@agustjen7149]

setelah semua selesai dirakit seharusnya ada penjelasan secara tehnik tahap 1 yg hrs disetel yg mana dulu sampai tahap akhir tidak bisa hanya secara visual saja utk content 2 kedepannya saya rasa bisa dibuatkan vidio 2 seperti itu jadi lebih sempurna 👍👍👍👍👍

[@vicenteeustaquilinodesouza9379]

POSSUI VÁRIOS RADINHOS DESTES LANÇAMENTO DA SHARP NA COPA DE 1970. OS TRANSISTORES NA ÉPOCA ERAM DE GERMÂNIO ENCAPSULAMENTO DE ALUMÍNIO

[@youtubetv7000]

SUPER

[@user-up6kv6pc2i]

Tunning of IF correctly is the most important part in this circuit

[@Bartok_J]

The IF transformers with most of these Chinese kits are aligned at the factory. They are best left alone until the radio is fully working.

[@ranbirsingh6641]

In India also, I personally feel that we dont have AM, MW and SW ransmission.

[@inventorkr1]

These are international radio stations. You can receive these stations in all countries

[@user-sv8fk3ff8u]

Good very good 👏👏🌹🍀🍀OFlraq🇮🇶

[@franciscoalencar-js2qv]

Circuito absoleto não existe mais rádio AM aqui no Brasil!

[@EvanEvan-iq8js]

❤❤❤❤❤❤❤

[@RayRayfrfr]

Lebanon (Currently in U.S.)

[@rimsonsitohangchannel5607]

It's hard to find AM radio stations in my town.

[@dz-abouttechnique1849]

Nice radio! 👍

[@TATA1975VLOG]

Wow nice idol😂🎉

[@user-ml6bj6kb8r]

FM séria melhor , aqui na minha cidade desativaram todas as AM .

[@ramdhirajjaiswal6820]

Itne sare upkaran kit ke sath me aate hai kya.

[@Nato-master]

Nostalgic ❤🧖

[@user-rt1ex9ut6g]

Esto no es inteligencia es genialidad, la inteligencia y la genialidad son cosas distintas, después de la inteligencia viene la genialidad, alguien puede ser muy inteligente, pero la genialidad es la genialidad y no la supera, gracias tesla y demás inventores genios los creadores del pcb del transistor de los resistores capacitores etc etc la genialidad es la impulsora del mundo moderno y la tecnología, se piensa que la inteligencia lo es todo, pero la genialidad es el futuro

[@valyokolev7841]

Professionally , it is unacceptable to tune resonant oscillating circuits , regardless of whether they are intermediate frequency or heterodyne with a screwdriver , it must be made of non-magnetic material ! Greetings from Bulgaria !

[@secsemiconductor]

Perfect

[@shindvs]

Correct

[@felixmotanul5242]

Please look carefully. The screwdriver is a plastic one. Alternatively, use your glasses.

[@tonywright8294]

Well said .

[@ArielTulidRemix]

Kindly wear your glasses sir because as what i see he uses a plastic screw driver...

[@cosmosilva3614]

Consertei estes tipos de rádios nos anos 70 e 80, como conseguir estes kits para montagem?

[@Stan0708]

Aliexpress ... Kit diy AM radio.

[@vinyladict8264]

Que difícil es poder sintonizar algo hoy en día en la banda AM. Con toda la interferencia de los aparatos electrónicos que hay

[@shivanikumari79]

Nice.bhai

[@AshokPrasad-hy2cg]

❤❤❤❤❤❤❤❤❤❤❤❤

[@user-sb5zh6zd7s]

Halo bos.bagai mana cara membuat relay sederhana dan saya suka...

[@MultiKomentator]

Właśnie kupiłem i czeka zestaw na złożenie. Zamierzam zrobić tam modyfikacje, żeby radio było energooszczędne 3mA max na minimum głośności i odbiór krajowej radiostacji na falach długich (LW).

[@inventorkr1]

Gratulacje, proszę podzielić się wynikami później

[@NaithokProductions]

Nice

[@user-wq8tg1pf4m]

잡음이 심해서 회로 선택을 바꿔야 좋을 것으로 보입니다

[@mohsangill9738]

❤❤❤❤

[@hamdifouzai4713]

j'ai vu ce kit sur Aliexpress pour 3€×frais de port compris

[@sahrulfauzani2238]

how to make an inverter 12v dc to 45 v dc ct for an amplifier for the car 🙏

[@manishchaudhary3011]

Bro where can i get this

[@yogeshsoni4046]

It was jetking I also assembled it in 1994

[@ahmedadly4817]

الحمدلله

[@tianyang5241]

我上学的时候买过套件，焊接组装后不懂如何调试 失败了

[@user-te6yv7de5f]

Удивительно, что после такой рукожопой сборки и бездумного кручения сердечников контуров, этот приёмник смог поймать что-то, кроме помех.

[@MarcosSilvaSilva-wn3ge]

Boa noite

[@janamahachereddy8193]

how to make voice recorder

[@pekertimulia125]

1.bagan skematik
2.pcb board
3.komponen

[@Choho-]

Nostalgic

[@TheAlemens]

Tinha um Dunga da motoradio .

[@TESTMNOKTI]

هذا مجرد تجميع لا غير لا ينم عن اي مهارات.. كنت اضن انك سوف تقوم بصناعة راديو من الصفر وتقوم بشرح ذلك