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Recent content by cutedrummerboy

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    strange problem of my oscillator buffer

    thank you FvM. but it is getting too much hot, i cannot touch its metal case more than 10 seconds. do you think it really normal??
  2. C

    strange problem of my oscillator buffer

    hi all, i have a strange problem... i have successfully completed a colpitts oscillator. it is the vfo from a ham band transceiver called bitx20. this oscillator is up and running and tunable also at 4Mhz but the problem is the buffer portion. i used 2n2222 for the oscillator as well as the...
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    Usb rs232 cable converyter using pic16f84 or 16f828 or 12f628

    MAX232 is a level converter. it is just covert RS232 level to TTL and you need either an FT232 or an USB enabled PIC like PIC18F2450 for usb interfacing as said by FvM. edit: pic18f4550 also have usb support
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    Digital Voltmeter and ammeter

    I found a project of Digital Voltmeter and ammeter in a website but they don't give the source or hex file. can anyone recommended me a good project as provided in this website? Digital Voltmeter Ammeter
  5. C

    [SOLVED] 2 Amp 16 Volt Power supply problem

    which fuse rating should i use before the transformer and also after the transformer and why??
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    [SOLVED] 2 Amp 16 Volt Power supply problem

    sharma jee the bridge connection was correct and thamid, the regulator stage is designed with LM317 and it is correct. i had found that the problem was 1N4007 can not take load of 2 amp. now i am using 1N5402 and i am quit satisfied with my power supply.... bridge rectifier is more costly than...
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    [SOLVED] 2 Amp 16 Volt Power supply problem

    Thank you sharma jee
  8. C

    [SOLVED] 2 Amp 16 Volt Power supply problem

    thank you all. now my problem is solved.
  9. C

    [SOLVED] 2 Amp 16 Volt Power supply problem

    thank you all. i understand it. now i am going to build my power supply. i am planning to add a voltmeter and a ammeter to it also. pjdd can you tell me why in some power supply there .1uf paralleled with every diode? is it good or bad?
  10. C

    [SOLVED] 2 Amp 16 Volt Power supply problem

    thanks all for your suggestion. i will check it. i have one more question, why we use 8 diode in a single bridge? i saw that there is two parallel diode in every arm of some bridge. can anyone explain me this?
  11. C

    [SOLVED] 2 Amp 16 Volt Power supply problem

    i have a 16v 2 amp transformer, i make a bridge with 1N4007 and after the bridge two 2200uf/25volt and a .1uf disc type capacitor is paralleled. now when i switched on, two of my diodes is burned... can anyone help me to rectify this problem. i am a newbie to electronics. thanks in advance. here...
  12. C

    please help guys..can you tell me the substitute of bf900?

    please help guys.... hi all, can you tell me the substitute of bf900?? can i use bf961 instead of bf 900 in this oscillator?? **broken link removed**
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    Is their any 32GB Pen Drive in Market???

    i saw 32gb pen drive. its real. some china company
  14. C

    stereo fm receiver schematic with mpx out

    receiver mpx out can any one give me a schematic of a fm receiver with mpx out only....
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