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Essa   SPI
Essa Electronics - Small Practical Innovation - this page is a stub

Essa Electronics, also Essa Electronic BV, later known as Small Practical Innovation (SPI), is an engineering company in The Netherlands, specialised in the design of electronic circuits and printed circuit boards (PCBs) for a wide variety of customers. Essa Electronics was founded in 1986 as a one-man operation by Electronics Engineer and ham radio operator Rob Keij.

SPI company logo

When ESSA was sold in 1994, it was renamed ESSA Electronic BV (Ltd) and moved to Heemstede, some 10 km south of IJmuiden. A year later – in 1995 – the company was re-established by the original owner as Small Practical Innovation (SPI) and moved to Heerhugowaard – some 15 km north of IJmuiden – where it is still based today (2024) [3]. An overview of the many projects that have been carried out since 1986, used to be available on the SPI website [2].

Essa/SPI products on this website
Essa BMR-1000 frequency counter with integrated field-strength indicator
Essa ÷100 prescaler
History
  • 1986-1994
    ESSA Electronics, IJmuiden
  • 1994-1995
    ESSA Electronics BV, Heemstede
  • 1995-present
    Small Practical Innovation (SPI), Heerhugowaard
Last known address
Related products
  • 90000295
    Interface BMR-1000
  • 90002695
    BMR-1000
  • 90002795
    Schema BMR-1000
  • 90000597
    New BMR-1000
  • 90002797
    Frequency counter prescaler BMR-1000
  • 19749700
    Counter rattler
  • 19029800
    New BMR-1000
  • 90004097
    100 divider RDR 20—1000 MHz <1mV
References
  1. SPI website, List of products ... since 1983
    Retrieved April 2019 (via WayBack machine).

  2. Rob Keij, Essa/SPI director
    Personal correspondence, April 2019.
Further information
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© Crypto Museum. Created: Wednesday 11 December 2024. Last changed: Wednesday, 11 December 2024 - 19:09 CET.
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