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service manual with schematics, pcb layout and description (german)
The STNF is a reference clock signal generator for video applications.
Sorry, upload failed several times! If someone needs it I can send it by ftp.
int to 7 segment with avr
There is a special version of the Atmel AVR uC available with build-in LCD driver. You want to use this one, an external driver will be more expensive and consume more space. Look for ATMega169.
There is even an evaluation board available for this Atmel uC (STK502)...
This is manual for R&S DPSP variable attenuator. It includes operating instructions in german and english as well as parts lists, schematics, PCB layouts etc.
You can use either a spectrum analyzer or a (EMC) measurement receiver for this purpose. You also need an antenna with a known antenna factor. Logper antennas (or LPDAs) are widely used for this purpose. They have even gain over several octaves.
In some newer spectrum analyzers (since early to...
old circuit diagram power supply
Hello!
Looking for this schematic, it is an old power supply manufactured in 1972. The voltage regulation works now, but the current limiter doesn't.
A schematic would be helpful to speed up things.
Label on outside: Siemens
inside: Gossen
Type: 34K32R4
CU
profibus master chip
Hello!
Has anyone good suggestions for a reliable Profibus Master chip?
I am currently using the SPC3 from Siemens in my slave designs, and I want to go to master now. The master chip shall be connected to a microcontroller (Renesas).
Having the companion software...
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