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Now BJR-Labs is a part of Valvecs Holding PLC. Please view the information below and decide how your project and subject matter looks like. Please review the cover letter and resume (CV) at the bottom of this page. Maybe this is the right place and choice…

FREE PRODUCTS:

NAME
Information Download VU Panels and Skins
Analog VU Meter (RMS) - V1.51
Click here for information Click here to get now! Click here to get panels

COMERCIAL PRODUCTS:
NAME
Information Download

Price
(without shipping)

Test Audio Tapes
Click here for information N/A 15 USD each
Spread Spectrum AX.25 TNC
High Speed Wireless Radio LAN on 433.8MHz
Click here for information N/A Click here for price information
Atmel 89CXX low cost programmer
Click here for information N/A Click here for price information
USB storage device
Click here for information N/A Click here for price information

RESEARCH PROJECTS:
NAME
Information Download Additional Information
Digital Sound Compression without Looses
Click here for information N/A N/A
DRM-Digital Radio Broadcasting below 30MHz
Click here for information N/A N/A
10/100 Mbit Full Duplex DataLink at 10GHz (3cm)
Click here for information N/A N/A

SOME PROTOTYPES & PROJECTS DONE BY: "BJR LABS."
NAME
Information Download Additional Information
Reference Generator designed for the SSR (Secondary Surveillance Radar)
Click here for information N/A N/A
Direct Sequence Spread Spectrum in 2.4GHz ISM band
Click here for information N/A N/A

PUBLICATIONS:
SUBJECT
Presented at: Author Download Size
Spread Spectrum for wireless systems using PIC based micro-controllers as a spreader

The Eleventh International Scientific and Applied Science Conference

"ELECTRONICS ET'2002"

September 25-27, 2002
Sozopol, Bulgaria

eng. Boris Ribov, M.Sc.
[email protected]

dsss.pdf 240Kb

Complementary Code Keying for the RF wireless communications

International Conference on Computer Systems and Technologies

CompSysTech'03

19-20 June 2003
Sofia, Bulgaria

*Award from ACM in hardware section at the proceeding of the conference

eng. Boris Ribov, M.Sc.
[email protected]

cck.pdf
(574Kb)

 

Presentation:
cck.ppt
(443Kb)

 
Software State Machnine Decoder For The Infrared Remote Control Units, Using Bi-Phase Coding Scheme

The Thirteen International Scientific and Applied Science Conference

"ELECTRONICS ET'2004"

September 22-24, 2004
Sozopol, Bulgaria

eng. Boris Ribov, M.Sc.
[email protected]

eng. Valentin Vasilev, M.Sc.
[email protected]

 

IR decoder.pdf
518Kb
Investigation of interference between Bluetooth and wireless LAN working on 802.11

The Union of Scientists in Bulgaria

"A silver jubilee 2004"

2004
Plovdiv, Bulgaria

eng.Dimitar Grozev
[email protected]

eng. Nikolai Kakanakov
[email protected]

Grisha Spasov,PhD
[email protected]

eng. Boris Ribov,M.Sc.
[email protected]

bluetooth.pdf

congerence.pdf

211Kb

86Kb

A method for decreasing the multipath interference in digital data
transmission over wireless radio channels and its implementation on
single chip microcontroller as a wireless data encoder

International Conference on Computer Systems and Technologies

CompSysTech'05

16-17 June 2005
Varna, Bulgaria

*Award in hardware section at the proceeding of the conference

eng. Boris Ribov, M.Sc.
[email protected]

Paper:
ofdm.pdf

 

Presentation:
ofdm.zip

 


Last updated: 20 Juny 2005

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