The Panasonic VP-7723A is a precision audio analyzer combining low-distortion signal generation with comprehensive measurement capabilities for professional R&D, manufacturing, and service environments. Built around a bridged-T oscillation system, it delivers signal generation from 5 Hz to 110 kHz with output levels spanning 16.2 to −83.7 dBm (600 Ω balanced), and distortion as low as 0.001% (−80 dB) across the 20 Hz to 15 kHz band.
Technical Specifications
Signal Generation
• Oscillator: Bridged-T system
• Frequency range: 5 Hz to 110 kHz
• Output impedance: 600 Ω (balanced)
• Output level: 16.2 to −83.7 dBm; 14.00 to −85.9 dBV
• Distortion: < 0.01% (−80 dB) / < 0.001% (−80 dB) from 20 Hz to 15 kHz
Measurement Functions
• AC level: Seven ranges (100.0 mV to 100.0 V), minimum 3.16 mV full-range detection, ≥10% over-range per range
• DC level: Four ranges (3.16 mV to 100.0 V), ≥10% over-range
• Total distortion: Five ranges (0.01000% to 31.6%), down to 0.001% (−100 dB, 80 kHz bandwidth), auto-ranging, input 0.1 to 100 V rms
• Signal-to-noise ratio: 30 µV to 100 V rms / 0 to 130 dB
• Frequency: Reciprocal counter, 5 × 10⁻⁵ accuracy (8 MHz reference, 125 ns time base)
• Wow & flutter (optional): 3 kHz and 3.15 kHz center frequencies; quasi-peak (IEC/DIN/EIAJ) or RMS (JIS); selectable psofometric weighting
– Key Features
• Digital control with automatic ranging and tuning
• 100-set preset memory with auto-sequence recall
• PASS/FAIL judgment output
• Power consumption: < 60 VA
• Supply voltage: 100 V, 120 V, 220 V, or 240 V nominal, 50/60 Hz
• Weight: approximately 15 lbs
– Interfaces & Integration
• GP-IB interface
• EXT CONTROL I/O
• Printer output capability
