Startup/yank circuit for self-biased phase-locked loops
State-of-charge indicator for zinc-mercuric oxide primary cells
Static means for detecting ground insulation failure for rotary
Static trip circuit breaker test set
Stationary probability integrator system
Stimulus/measuring unit for DC characteristics measuring
Storage battery analyzer
Storage battery test apparatus to determine remaining stored cha
Subsynchronous resonance detection
Superconducting magnetic sensor with improved balancing system
Superheterodyne noise measuring discriminators
Supply voltage characteristic measurement
Supply voltage characteristic measurement
Surface defect probe and dual channel apparatus with liftoff com
Surge comparison type coil tester
Sweep generator for engine analyzers
Swept frequency circuit for precision gain or loss measurements
Swept group delay measurement
Swept-dip probe
Switchless D.C. multifunction tester