GF-857 Signal function synthesizer

Product catalog summary

Overview: The GF-857 is a functional signal generator utilizing Direct Digital Synthesis (DDS) technology, capable of generating frequencies with a resolution of 20 MHz and a high frequency accuracy of 10 ppm. It supports various waveform outputs including sine, square, triangle, ramp, and arbitrary waves.

Specifications:

Output Functions: Sine, Triangle, Ramp, Square, Sync, Arbitrary
Frequency Range: Sine and Square: 20 mHz to 30 MHz; Triangle and Ramp: 10 mHz to 100 kHz
Frequency Resolution: Sine/Square: 20 mHz; Triangle/Ramp: 10 mHz
Accuracy: ±10 ppm; Frequency aging: ±5 ppm/year
Output Impedance: 50 Ω ±10%
Amplitude Range: 10 mV to 10 Vp-p (into 50 Ω)
DC Offset Range: ±5 V (into 50 Ω)
Sync Output: TTL Levels, Fan-Out > 10 TTL Load
Sine Output Harmonics: Varies from -50 dBc to -25 dBc depending on frequency range
Square Output: Rise/Fall Time ≤ 15 nS, Overshoot ≤ 5%
Triangle and Ramp Linearity: ±0.1% of full scale output
Arbitrary Waveforms: Sample Rate: 42.949600 MHz/N, Waveform Length: 12,000 points max, Vertical Resolution: 12 bits
Sweep Function: LIN or LOG, Range: 20 mHz to 30 MHz, Time: 0.01 s to 1000 s
Modulation: AM, FM, PSK with various modulation rates and spans
Interface: Standard RS-232 C, Optional GPIB Interface
Power Supply: 100V/120V/220V/240V AC, 50/60Hz
Mechanical Features: Dimensions: 214 x 89 x 370 mm, Weight: 4.8 kg

Additional Features: The device includes an arbitrary waveform function with a data length of 12,000 x 12 bits for free compiling, which can be done via front panel keys or through the "Arbitrary Waveform Composer Software for Windows".

Accessories: Includes mains cord, user’s manual, and GTL-101.

GF-857 Signal function synthesizer

GF-857 Signal function synthesizer

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