2SC2053 DATASHEET PDF

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Thread starter mdanh Start date Apr 21, I do not have those. Can replace the 2SC transistors with the transistors that I have?

Thanks in advance. Last edited: Apr 21, The 2SC has a transition frequency over 1GHz, the 2N is a fraction of that - it just isn't fast enough. Crossing these is a little difficult. Here's the datasheet on the 2SC, notice the transition frequency isn't even listed - pdf1.

Once you have enough specs, you can do a "parametric" search on places like Digi-Key, Mouser, etc. Last edited: Apr 22, Hi all, Thanks for the tips on getting the equivalent transistors for 2SC I think I will stick to common transistors 2N and operate at low frequency only.

I used a 2N instead. The circuit does not work as expected e. All I get at the output is 0. Is there a formula for calculating the output frequency? I am currently using a 47uH resistor-like inductor with a 35pF trimmer capacitor. Also is it correct that the other lead of the trimmer capacitor is connected to ground according to the diagram? It seems strange to me. I tested the circuit by building the audio section alone and using my 50Mhz digital oscilloscope and monitor the on-screen frequency counter.

It is random no matter how I adjust the trimmer capacitor. The waveform at the output is apparently the input audio waveform, with reduced magnitude. Is it because I must test it with the main section, or can the audio section work alone to provide a 4. Thanks for any advice. I seriously do not think there are any connections issues - this is my 3rd attempt, all with same results.

Last edited: Apr 23, Any suggestions? EDIT: Sarma makes good point, make sure there is no input signal to this stage while measuring frequency should have been obvious.

The schematic is now made using eagle and pdf attached to enable discussion. Ps: attachment is replaced. Last edited: Apr 24, Hi mvs sarma. Thanks for the schematics althought it is mirrored and I need to flip it horizontally to view it. I found the layout diagram to be weird and confusing. With a schematics, it's better. Hi panic mode, thanks for the detail explanation on the circuit and the differences with other circuits. I spend a lot of hours checking for connection errors on the stripboard.

Thanks again for the suggestions. I will work on the main section and post back if any problems. I will continue with the entire circuit when I have time to. Just for the sake of curiosity, is it feasible to build a TV transmitter with audio by using 2 independent transmitters, one for video and the other is for FM-audio tuned to the audio channel?

I replaced the trimmer in the FM transmitter with a variable capacitor from a radio that has a plastic handle so that I can tune it without causing disturbance. It was very difficult to get the FM transmitter to tune into exactly 5. However, although the audio can be heard on the TV with video after some adjustment, there is always a background white noise.

This happens on all the TVs that I have. The FM transmitter audio, however, can be heard clearly with no background noises on my radio. Any ideas what cause this? Thus it is prudent to use combined one. I enjoy your working around fm audio and am video circuits. Sure that in the begining they appear hardnut, as you progress things would be to your satisfaction. You must log in or register to reply here. Latest threads A. General Electronics Chat. Automotive Electronics.

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2SC2053 Mitsubishi Electric Semiconductor, 2SC2053 Datasheet

DescriptionThe 2SC is a silicon npn epitaxial planar type transistor designed for rf amplifiers on vhf band mobile radio applications. Features of the 2SC are: 1 high power gain:Gpe DescriptionThe 2SC is designed for use in driver stage of high voltage audio equipments. The 2SC is a silicon npn epitaxial planar type transistor designed for rf amplifiers on vhf band mobile radio applications. The absolute maximum ratings of the 2SC can be summarized as: 1 collector-base voltageV; 2 emitter-base voltage:4V; 3 collector-emitter voltageV; 4 collector current If you want to know more information such as the electrical characteristics ,please download the datasheet in www.

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2SC2053 Datasheet

Warm Tips: Please fill out the below form and we will contact you as soon as possible. The 2SC components of Jotrin Electronics are carefully chosen, undergo stringent quality control and are successfully meet at all required standards. The production status marked on Jotrin. If you did not find what you were looking for, you can get more value information by email, such as the 2SC Inventory quantity, preferential price, and manufacturer.

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2SC2053 - NPN EPITAXIAL PLANAR TYPE

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