The ELGAR 401CVE is a fixed-frequency RC phase shift oscillator module designed to provide precise output frequency control for ELGAR AC power sources. It delivers low-distortion sine wave output and integrates with linear AC power supplies to enable variable or fixed frequency operation across single, dual, or three-phase configurations. The 401CVE combines cost-effective performance with field-proven reliability for applications where crystal-level precision is not required.
## Technical Specifications
• **Operating Frequency:** 50 Hz, 60 Hz, or 400 Hz
• **Configuration:** Single, dual, or three-phase
• **Output Signal:** Low-distortion sine wave
• **Frequency Accuracy:** ±0.1%
• **Output Control:** Amplitude programmable via external resistor (0–13 kΩ for 0 to full-scale output voltage) or external DC voltage input (0–10 VDC for 0 to full-scale output voltage)
## Key Features
• Fixed-frequency architecture eliminates tuning complexity for standard utility frequencies
• Single-phase versions include 1/8″ phone jack for external signal input
• Plug-in form factor enables field installation and replacement
• Low-cost alternative to crystal-controlled oscillators for applications where continuous sweep capability is not needed
## Typical Applications
• AC power source frequency establishment for precision test benches
• Fixed utility frequency (50/60 Hz) generation for power conditioning systems
• Aerospace power supply testing (400 Hz operation)
• Industrial AC test and measurement systems
## Compatibility & Integration
The 401CVE operates as an integral plug-in module within ELGAR 400 Series AC power source platforms. Associated power sources deliver line regulation of ±0.25% at full load across ±10% input line variation, load regulation better than +1% from no load to full load, and response times under 50 µsec. Output noise is maintained at 70 dB below full scale. Amplitude adjustment is controlled via the gain potentiometer on the associated power source unit.
