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If you want more power then the transformer must be driven with two transistors in push-pull so that there is always one transistor conducting into the transformer. Since you are using old-fashioned transistors instead of Mosfets then the transistors need to have a driver transistor to provide plenty of base current.
Since your 8k resistor plus 1k resistor between the 555 and the transistor limits the base current of the transistor to only 2.4mA then the output current of the transistor is only 24mA but only when it conducts.A.G., pls give the circuit of push-pull & you are saying to provide driver transistor to have plenty of base current but i have seen on increasing base current upto certain limit the output decrease.
now, i have connected 4k resistance, but there is no change in output, pls help.
You forgot to say where you connected the 4k resistor and did not show it on a schematic so we don't know what you are talking about.now, i have connected 4k resistance, but there is no change in output, pls help.
You forgot to say where you connected the 4k resistor and did not show it on a schematic so we don't know what you are talking about.
I finished answering you one minute ago about your awful circuit on the other website.here is schematic and i have using almost all component like darling ton(508d),mosfet,2n3055. for amplification giving almost same output.
now, the resistance of 4k is of 2W, pls tell it does matter the watt of resistance??
This Should Work Better.
But it is Still a VERY POOR DESIGN!
**broken link removed**
Sorry a Previous Error.
Here is the Correct Schematic.
But it is still a VERY POOR CIRCUIT.
And If the values of your transformer are in Micro-Henries, They are Totally Incorrect for such a Low Frequency!
as you have connected 7812 it limit is 1amp and when i will give 25V with 7amp, i thick it will destroy.
And If the values of your transformer are in Micro-Henries, They are Totally Incorrect for such a Low Frequency!
pls, tell Relation between Henry and no. of turns or voltage.
as in software (LT Spice), it as for Henry and i don't know how to find output of transformer.
But you are saying that the transformer are in micro henry??