Documentation

Active Hydrogen Masers

Active Hydrogen Frequency Standard VCH-1003A

  • Brief description and maintenance instruction download

Active Hydrogen Maser VCH-1003M

Active Hydrogen Frequency Standard VCH-1005

  • Brief description and maintenance instruction download

Passive Hydrogen Masers

Passive Hydrogen Maser VCH-1008M

Passive Hydrogen Maser VCH-1008

Frequency comparators

Precision frequency Comparator VCH-314

  • Hardware Operational Manual download
  • VCH-314 Routine for Multi-Channel Measurement of Frequency Instability download

Multichannel Frequency Comparator VCH-315M

Phase Comparator-Analyzer VCH-323

Output Signal Generators and Distributors

Microstepper Combiner Synthesizer VCH-317