Wavetek SI

The Wavetek SI is a signal injector engineered for testing and troubleshooting electronic circuits. It delivers stable, accurate signal generation across a wide frequency spectrum, serving as a reliable source for RF, microwave, and communication applications. The instrument combines frequency agility with precise modulation control, making it suitable for circuit validation, signal tracing, and system-level diagnostics in development and field environments.

– Technical Specifications

Frequency and Signal Generation

• Frequency range: up to 1 GHz (SI-4040, SI-4015 models)
• Output impedance: 50 Ohms
• Output power: -55 dBm minimum; +10 dBm maximum (model-dependent; adjustable ranges from +13 dBm to -97 dBm on specific variants)
• Harmonic distortion: <-35 dBc (2nd harmonic), <-40 dBc (3rd harmonic)
• Noise floor: 30 dBc

Modulation and Waveform Capabilities

• AM and FM modulation standard
• Advanced modulation types: ASK, FSK, PSK, PWM
• VCO (Voltage Controlled Oscillator) function
• Waveform generation: sine, square, pulse, triangle, ramp, exponential rise/fall, arbitrary
• Sweep modes: linear; logarithmic on advanced models
• Adjustable sweep times and directions
• Frequency accuracy: ±2% of full scale (model-dependent); precision options to ±0.25 ppm

– Key Features

• Stable, accurate signal source for RF and microwave testing
• Multiple waveform and modulation options for flexible circuit stimulus
• Linear and logarithmic sweep capability for frequency characterization
• 50 Ohm output impedance matching standard RF/microwave systems
• Low harmonic distortion suitable for sensitive measurement environments

– Typical Applications

• RF and microwave circuit testing
• Communication system monitoring and validation
• Signal tracing in analog and digital circuits
• Frequency response characterization
• Component and subsystem troubleshooting

– Compatibility & Integration

• GPIB programmability for remote control and automated test integration
• Proprietary user interfaces for direct operation
• USA manufacture (Wavetek origin)