Wavetek 80304

The Wavetek 80304 is a precision signal generator delivering selectable waveforms across a 0.0001 Hz to 20 MHz frequency range with 10 overlapping bands and 1% vernier control. Built for laboratory, engineering, and production environments, it combines low-frequency capability with accurate amplitude control and modulation flexibility.

– Technical Specifications

Frequency
• Range: 0.0001 Hz to 20 MHz across 10 overlapping ranges
• Dial accuracy: ±3% of full scale (X0.1 Hz to X1 MHz); ±5% of full scale (X10M range)
• Short-term stability: ±0.05% over 10 minutes
• Long-term stability: ±0.25% over 24 hours
• Voltage-controlled frequency: up to 1000:1 sweep with 0 to +5V external signal; 2% of range per µs slew rate; ±0.2% linearity (10 Hz to 100 kHz), ±0.75% (0.001 Hz to 2 MHz)

Waveforms & Distortion
• Sine, square, triangle, DC, positive/negative pulses, sawtooth ramps, and distorted sine
• Sine wave distortion: <0.5% (X100 Hz to X10 kHz); <1.0% (X0.01 to X10 Hz and X100 kHz); all harmonics 34 dB below fundamental at X1 MHz
• Square wave rise/fall times: <20 ns into 50Ω
• Triangle linearity: ±0.2% (10 Hz to 100 kHz), ±0.75% (0.001 Hz to 2 MHz)
• Variable symmetry control for pulses and ramps

Amplitude
• Output voltage: up to 15V p-p into 50Ω load
• Attenuation: 60 dB in 20 dB steps plus 20 dB vernier control
• Peak current output: 150 mA
• Amplitude stability: ±0.05% (10 minutes), ±0.25% (24 hours)

DC Offset
• Range: ±15 Vdc adjustable (±7.5 Vdc into 50Ω)
• Signal peak plus offset limited to ±15 Vdc
• Front panel or external voltage control

Modulation
• Amplitude modulation (AM) and frequency modulation (FM) capabilities

– Key Features

• Extended low-frequency range from 0.0001 Hz enables subsonic and ultra-low-frequency testing
• 1% vernier dial control provides fine frequency adjustment across all ranges
• DC offset capability allows biasing waveforms for component characterization
• Variable pulse and ramp symmetry supports arbitrary waveform generation
• High current output (150 mA peak) drives reactive loads and external circuits

– Typical Applications

• Audio and subsonic system testing
• Component characterization and curve tracing
• Transducer calibration and response measurement
• Control system stimulus generation
• Production testing of analog circuits

– Compatibility & Integration

External modulation inputs (0 to +5V) enable system integration with automated test setups and closed-loop measurement systems.