STEVAL-LNB Interface

Contents:
  1. References
  2. Glossary

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The STMicroelectronics' evaluation board implements in various configurations,their LNBH26LS intergrated circuit. LNBH05 - Power supply evaluation board for LNB based on the LNBH26S LNBH06 LNBH26LS - Dual LNBS supply and control IC with step-up and I²C interface STEVAL-CBL011V1 - Evaiuation Board for LNBH26 chipset (Obselete)

images/LNBH25LS.webp

Description This board implements a DC-DC converter based on the LNBH26LS device. It is used to power LNBs inside dish antennas to receive satellite TV signals.

The LNBH26LS evaluation board includes an I²C bus interface and the internal 22 kHz tone generator which can be controlled by the DSQIN pin (TTL compatible), allowing immediate DiSEqC™ data encoding.

Requires an input voltage from 8 V to 16 V.

LNBH01-schematic.webp

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References

Power supply evaluation board for LNB based on the LNBH25LS:
https://www.farnell.com/datasheets/2160911.pdf



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Glossary

LNB - low-noise block downconverter. A receiving device for high frequency weak signals
Commonly used for satellite reception.

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Glenn Lyons VK4PK
glenn@LyonsComputer.com.au
Ver:gnl20251124- pre published v0.9