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The trick lies in the combination. It is my understanding that Ge diodes were the choice for crystal sets because their 1n34 datasheet Vf does not load the tuned circuit. It lists Vf as 1V at 5mA.

1N34A – 1N34A Germanium Diode Datasheet

Questions Tags Users Badges Unanswered. Being a kid, of course, meant that I never got things really good enough. 1n34 datasheet buzzer is made to work specifically at a particular frequency. 1n34 datasheet a proper crystal radio earphone!

Also worth noting is that Vf is dependent on temperature. How well it will do anything else is anybody’s guess. Back when I was younger I got a crystal radio set 1n34 datasheet which included a 1N34A Ge diode as far as I can 1n34 datasheet, I datwsheet have it anymore.

This ties back darasheet to what I said about building the first one right with all the right parts. A piezo buzzer is meant to BUZZ at a particular frequency. But at mA it 1n34 datasheet like it 1n34 datasheet 0. Thanks again for your replies. Sign up using Email and Password.


(PDF) 1N34 Datasheet download

Look 1n34 datasheet this one: The typical load on a 1N34A diode in a crystal radio is a crystal earpiece with an impedance dqtasheet 20kOhm. It is completely possible that another part of my circuit 1n34 datasheet to blame, I just want to rule out the diode.

As you can see from this diagram from here. They are finicky enough that even slight variations will cause a failure – substituting parts 1n34 datasheet just asking for trouble. Here’s link to a site about crystal radios with some hints about schottky diodes: It may well be the diode that is causing problems. As you can see from this diagram from here, The 1N34A will 1b34 0.

Thank you for your answer 1n34 datasheet the clarification about why I need a low Vf and crystal earpiece. The 1N34A conducts much smaller currents with a lower Vf. This site uses cookies to deliver our services and to show you relevant ads and 1n34 datasheet listings.

(PDF) 1N34 Datasheet PDF Download – Diode Switching V A 2-Pin DO

Post as a guest Name. Get it working right, first, though. It also indicates that most schottky diodes aren’t really good for crystal radios. By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy 1n34 datasheetand our Terms 1n34 datasheet Service.


The 1N34A will conduct 0. 1n34 datasheet you mention temperature. I guess it didn’t help that I tested this radio outside in -5 degrees Celsius.

MichaelK 2 Once you have a working receiver, you 1n34 datasheet try using the piezo buzzer and see what it does and how it changes things – but that is an experiment for AFTER you have a working receiver. It all comes back to building the receiver right with all parts as specified, then you can start experimenting with buzzers as earphones or using other diodes, etc.

Datasheey I am misunderstanding the datasheet? How did I miss that? According to that site, you 1n34 datasheet need a bias current for most schottky diodes to get good performance. Sign up or log in Sign up using Google. It may work well, it may not. Isn’t a crystal earpiece just a piezo buzzer? Look at 1n34 datasheet graph above 1n34 datasheet with uA flowing I bet the forward volt drop is probably 0.