4708
An " electron-multiplying CCD " ( EMCCD , also known as an L3Vision CCD , a product commercialized by e2v Ltd. , GB , L3CCD or Impactron CCD , a now-discontinued product offered in the past by Texas Instruments ) is a charge-coupled device in which a gain register is placed between the shift register and the output amplifier .
 e2v Ltd., L3CCD, Texas Instruments
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 e2v Ltd., L3CCD, Texas Instruments