3643173

Information

• Patent Grant
• 3643173

• References
• Source

• Patent Number

  3,643,173

• Date Filed

  Not available

• Date Issued

  Tuesday, February 15, 1972
  52 years ago

• CPC

  • H03H11/126 - using a single operational amplifier
  • H03H11/1204 - Distributed RC filters

• US Classifications

  • 330 - Amplifiers