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EPM Series Power Meters Firmware Archive

The EPM Series power meters (E4418B single channel and E4419B dual channel) provide a low-cost, high-performance, programmable power meter for CW and average power measurements. They are compatible with the 8480 series and E Series power sensors (except the E9320A family). Depending upon which sensor is used, the EPM Series power meters can measure average power over -70 dBm to +44 dBm, at frequencies from 9 kHz to 110 GHz.

Please refer to the Revision History

E4418x Single Channel Power Meter E4419x Dual Channel Power Meter
  A1.09.00: E4418 Firmware Release. Compatibility with N8480 Power Sensors   A2.09.00: E4419 Firmware Release. Compatibility with N8480 Power Sensors
  A1.08.04: Bug Fix:- Calibrator fault on self test   A2.08.04: Bug Fix:- Calibrator fault on self test
  A1.08.03: E4418 Firmware Release. ID string returns Agilent Technologies.   A2.08.03: E4419 Firmware Release. ID string returns Agilent Technologies.
  A1.08.01: Bug Fix:- Zero and Meter Range Cal values over a power cycle with E-Series sensors. ID str   A2.08.01: Bug Fix:- Zero and Meter Range Cal values over a power cycle with E-Series sensors. ID str
  A1.08.00: Bug Fix:- Zero and Meter Range Cal values over power with E930xA sensors  
  A1.07.00: Bug Fix:- HP436A/HP437B/HP438A emulation   A2.07.00: Bug Fix:- HP436A/HP437B/HP438A emulation
  A1.06.00: Support for E9300B/H sensors added  
  A1.05.00: Single channel meters now support HP436A code compatibility A2.05.00: Revision number was never used - not applicable
  A1.04.00: Added support for E-Series sensors   A2.04.00: Added support for E-Series sensors
  A1.03.00: Revision at E4418B introduction   A2.03.00: Revision at E4419B introduction
  A1.02.00: New Feature:- Frequency dependent offset tables   A2.02.00: New Feature:- Added frequency dependent offset tables
  A1.01.01: New Feature:- Ability to switch off step detection A2.01.01: New Feature:- Ability to switch off step detection
  A1.01.00: Revision at E4418 introduction   A2.01.00: Revision at E4419A introduction