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dvb projekt dvb projekt is offline

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  • Last Activity: Today 02:24 PM
  • Join Date: 25th February 2009

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Latest Blog Entry

Posted 2nd February 2014 at 04:26 PM by dvb projekt Comments 0
For Sale


I am selling my handmade

First Watt F5

Stereo Amplifier
for

1.490,- EURO




The price includes worldwide insured shipping.


All photos of the building you could see

HERE and HERE



Posted 16th September 2013 at 05:28 PM by dvb projekt Comments 0
Posted in Offer
The new Tube-I-zator V3.1



The evolution brings the following changes:

- Anode PSU with Salas SSHV Shunt Reg. onboard
- External B+ Input for usage with other Anode PSU
- Heater PSU with C-R-C filtering
- Heater PSU with Softstart circuit
- Heater PSU Power LED

- Design failures corrected

Thanks to John (-ecdesigns-) for the following suggestions!

- Grid stoppers to prevent unwanted oscillations
- Bias current injection for TDA1541A usage
- Pull-down resistors to keep the coupling cap output at GND-potential

Still on the Module:

- Heater switch for 6N2P or 12AX7 usage



An example for a balanced use (e.g. Bufalo II), you could see HERE.



The PCB has the following data:

Material: FR4 - 2mm
Layers:
...

Posted 12th August 2013 at 06:56 AM by dvb projekt Comments 2
Now the digital input section is completed!





Wave I/O for USB input --> SPDIF/AES input board --> FIFO --> Isolator board -->
Dual Clock board with Crystek CCHD-957 clocks (powerd exclusive from a A123 Systems LiFePo4 cell) -->
Ianīs I2S to PCM V2.0 Module --> Red Baron



Because i use two Red Baronīs parallel, i added two additional U-FL connectors for DR and DL.






Posted 19th June 2013 at 10:54 AM by dvb projekt Comments 0
Posted in Project builds
From today you will find high resolution pictures

of all my projects at my

flickr

Webside





Posted 19th June 2013 at 10:30 AM by dvb projekt Comments 0
Posted in Offer
The new Red Baron
V5.0





The evolution brings the following changes

- Jumper for I2S / simultaneous mode
- latest 3.3V attenuator for I2S & simultaneous mode (by -ecdesigns-)
- free running DEM oscillator (by -ecdesigns-)
- additional U.FL pads for I2S & simultaneous mode
- Separate U.FL-GND route to Digital-GND


Still on the module

- Separate I2S-GND route to Digital-GND
- Separate Analog Output GND route
- Separate GND route for active divider decoupling caps to Analog-GND
- Modified active divider decoupling pads for better SMD 1210 caps soldering
- Un-interrupted ground plane
- Direct shunt voltage inputs with shortest onboard traces
- I2S In-/Outputs with shortest onboard traces
- Onboard Grounded-Gate MOSFET Current Buffer I/V Stage
(-ecdesigns-
...
Recent Comments
Yes, I agree, Arbie...
Posted 8th April 2014 at 04:38 PM by Scheff Scheff is offline
Thanks !!!!!! Schaeffer-AG...
Posted 14th January 2014 at 05:16 PM by WalterW WalterW is offline
Quote:
Originally Posted by WalterW
Wow, this F5 looks really
...
Posted 8th January 2014 at 07:18 PM by dvb projekt dvb projekt is offline
Wow, this F5 looks really...
Posted 8th January 2014 at 08:15 AM by WalterW WalterW is offline
Also... Very controversial...
Posted 21st December 2013 at 03:36 PM by wlowes wlowes is offline
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