Agilent/Keysight 400F

The Agilent/Keysight 400F is a high-performance function generator engineered for electronic testing, circuit design, and laboratory applications. It delivers precise signal generation across standard and arbitrary waveforms with exceptional time resolution and low distortion. The instrument combines flexible modulation capabilities, dual-channel operation, and Trueform technology to meet demanding measurement and signal synthesis requirements.

– Technical Specifications

Waveform Generation

• Standard waveforms: sine, square, triangle, ramp, pulse, noise, DC volts; optional sin(x)/x, exponential rise/fall, and cardiac profiles
• Arbitrary waveform memory: 1 MSa/channel standard; options for 16 MSa/channel or up to 64 MSa depending on model
• Sampling rate: up to 160 MSa/s; select models support 250 MSa/s or 1 GSa/s
• Amplitude resolution: 16-bit (12-bit on certain models)
• Output amplitude: 1 mVpp to 10 Vpp
• Harmonic distortion: <0.04% THD for sine waves to 20 kHz and general arbitrary waveforms; 5× lower than traditional DDS generators
• Jitter: <1 ps to <40 ps depending on model; pulses to 20 MHz exhibit 10× lower jitter than conventional designs

Frequency and Signal Characteristics

• Frequency range: up to 15 MHz, 30 MHz, 100 MHz, or 120 MHz depending on model configuration
• Amplitude accuracy: ±0.5 dB

Modulation and Advanced Features

• Modulation modes: AM, FM, FSK, BPSK, PWM, and Sum (carrier + modulation)
• Sweep and burst capability
• Pulse generation: up to 20 MHz with precise timing; high-bandwidth pulse output to 100 MHz with independent leading and trailing edge control
• Dual-channel operation with independent or coupled channel control, including frequency/amplitude coupling and differential output options
• Trueform technology: proprietary architecture delivering enhanced signal fidelity and reduced jitter versus DDS generators

– Key Features

• User-defined, point-by-point arbitrary waveforms with sequencing for complex signal representation
• Precise timing and pulse edge control for demanding applications
• Low-distortion sine wave generation for analog and RF testing
• Flexible modulation framework supporting standard and custom schemes

– Typical Applications

• RF and analog circuit design and validation
• Pulse and timing measurement
• Modulation and signal integrity testing
• Educational laboratory use

– Compatibility & Integration

Standard interface connectivity available for laboratory integration.