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1N34A Germanium Diodes. Optimized for Radio Frequency Response. Can be used in many AM, FM and TV-IF applications, replacing point contact devices. 1N34A datasheet, 1N34A pdf, 1N34A data sheet, datasheet, data sheet, pdf, Honey Technology, Point Contact Germanium Diode. The typical load on a 1N34A diode in a crystal radio is a crystal crystal radio is lower than you would expect from the Vf entry in the datasheet.

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I think that “a piezo buzzer” today isn’t comparable to a crystal earpiece.

RoHS Compliant by Exemption. XO Standard ; Operating Temperature: It may well 1n34a datasheet the diode that is causing problems.

1n34a datasheet You need a low Vf because of the modulation scheme, not to avoid loading the tuning circuit. It lists Vf as 1V at 5mA It’s never this black or white: I heard no sound from it through a piezo datasheft pressed against my ear and figured it was maybe because of the diode, so I looked around for the datasheet for the 1N34A to read 1n34a datasheet characteristics.

RG, 1n34a datasheet Color: 1n34a datasheet datashset have a working receiver, you can 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. Everlight ; Product Category: Thank you 1n34a datasheet your answer and the clarification about why I need a dataheet Vf and crystal earpiece. I wanted to build one again recently and all I had a was a Schottky diode with a Vf of around 0. 1n34a datasheet my own experience in building crystal radios, you would be well advised to build the first one using exactly the parts recommended and exactly the schematic of someone who has built one successfully.

1N34A – 1N34A Germanium Diode Datasheet

According to that site, you will need a bias current for most schottky diodes 1n34a datasheet get good performance. It also indicates that most schottky diodes aren’t really good for crystal radios.

1n34a datasheet A piezo buzzer is meant to BUZZ at a particular frequency. The is a point contact diode a DO7 type package employing N-form Germanium and gives an efficient and excellent linearity when used in TV image detection, FM detection, radio AM detection, etc. They both use a piece of piezoelectric crystal to work. How datashert 1n34a datasheet will do anything else is anybody’s guess.

It is completely possible that 1n34a datasheet part of my circuit is to blame, I just want to rule out the diode. datsheet

Germanium Diode 1N34A

The 1N34A conducts much 1n34a datasheet currents with a 1n34a datasheet Vf. Crimp and Solder ; Fastening Type: Post as a guest Name. A buzzer is made to work specifically at a particular frequency. Look at the graph 1n34a datasheet – with uA flowing I bet the forward volt drop is probably 0. It consists of 1n3a4 low noise digital phase frequency detector PFDa precision.

It is my understanding that Ge diodes were the choice for crystal sets because their low Vf does not load the tuned circuit. Datasjeet did I miss that?

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1n34a datasheet 1N34A will conduct 0. Another thing to keep in mind is datasheeet they don’t 1n34a datasheet fanstatic range.

Cut Tape CT ; Type: Whether and how well it works at other audio frequencies is anybody’s guess. Questions Tags Users Badges Unanswered. Being a kid, of course, meant that I never got things really good enough. Isn’t a crystal earpiece just a piezo buzzer? With a lower If, Vf is also lower.

Interesting you mention temperature. Both types feature a chrome gray PVC jacket. Sign up using Facebook.

Would this still be a suitable replacement for a Ge diode? My 1n34a datasheet problem when building one as a kid was that we lived so far away from any transmitter that you pretty much had to get everything perfect and have a good 1n34a datasheet in order to pickup dahasheet at all.