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Hi,
One of my friends asked about the value of C7, the correct value it's C7=10microFarads.
Below it's the modified schematic as the original was with a wrong value for C7:
Hi,
I've only designed the PCB of the schematic , the schematic was from a Romanian electronics magazine called "Tehnium".
As I specified it's a simple schematic but with very good sesitivity and selectivity.
BR/Daniel
Hi,
I've designed back in the 90s a small medium waves-short waves superheterodine radio, powered at 1.5V
Above is the schematic, and below the PCB:
It has a very good sensitivity and selectivity taking in the account how simple is the schematic.
BR/Daniel
Hi,
As it says in the post title, I need the service manual for Indesit ITW E 71252 W washing machine.
If someone has only the electrical shematic, it will be usefull to.
Thank you,
Daniel
Hi,
When I've built it first time I've used AD9850 and it works fine until 40Mhz.
As I had also AD9851 I used it up to 70Mhz, but with some software changes.
The soft with AD9850 is attached.
Hi,
I've implemented the design of my friend VA3FGR with a DDS module with AD9851 and PIC16F876A to build a signal generator from 0-70Mhz.
The design schematic and the hex file you'll find on my page : **broken link removed**
Thank you,
BR/Daniel
Hello,
I've built a simple RJ45 UTP/STP cable tester.
You can find the schematic of the emitter and the receiver on my site: **broken link removed**
Happy new year!
Hi,
I designed and build a very simple Wien bridge audio signal generator in the frequency range of 0-10Khz.
It has 2 scales 0-1khz and 1-10khz, and use a Jfet transistor for the negative feedback.
It is powered up from a single 9V baterry and uses a dc-dc converter(LM555) for the minus rail...
benchtop dual power supply 0-30V, 1A
Hello,
I've designed and build this dual power supply back in 1992.
Since then it never fails.
It has double protection to shortcircuit , and the ripple on maximum load (30V, 1A) it's under 5 mV.
You can find the schematic, picture and a small...
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