GAO Tek DDS Function Generator (40 µHz to 5 MHz)

This DDS function generator is used in development, testing and repair of electronic equipment.




This DDS function generator is used in development, testing and repair of electronic equipment. This advanced function generator uses direct digital synthesis (DDS) to generate different types of electrical waveforms over a wide frequency range of 40 µHz to 5 MHz. It generates 32 types of waveforms. It provides a stable output waveform down to 1 mV (50 Ω). It can store 40 groups of settings. Modulations including FM, FSK, PSK, ASK can also be generated.

Key Features

  • Uses Direct Digital Synthesis (DDS) technology
  • Stable output waveforms down to 1 mV (50 Ω)
  • Over voltage protection, over current protection, short circuit protection and reverse voltage protection
  • 0.1% pulse duty cycle resolution
  • Numeric keyboard and rotary dial for data input
  • RS232 interface, USB interface and optional power amplifier
  • 3.5-inch TFT LCD display
  • SMT technology production, high reliability

Technical Specifications

Model A0230006
Frequency Range 40 mHz to 5 MHz
Waveform (CHA)
Waveform Types 32 types waveforms, including Sine, Square, Pulse, etc.
Waveform Length 1024 points
Vertical Resolution 8 bits
Sampling Rate 100 MSa/s
Sine Harmonic Distortion ≥40 dBc (<1 MHz)
≥35 dBc (1 MHz to 20 MHz)
Sine Wave Total Distortion ≤1% (20 Hz to 200 kHz)
Square Wave Rise/fall edge time: ≤35 ns
Overshoot: ≤10%
Duty cycle: 1%~99%
Frequency (CHA)
Frequency Range Sine wave: 40 mHz to max. frequency
Other waveforms: 40 mHz to 1 MHz
Resolution 40 mHz
Accuracy ±(5 × 10-5 + 40 mHz)
Stability ±5 × 10-6/3 hours
Amplitude (CHA)
Amplitude Range 2mVpp to 20Vpp, 40 mHz to 10 MHz (high impedance)
2mVpp to 15Vpp, 10 MHz to 15 MHz (high impedance)
2mVpp to 8Vpp, 15 MHz to 20 MHz (high impedance)
Resolution 20mVpp (amplitude>2Vpp), 2mVpp (amplitude<2Vpp)
Accuracy ± (1% + 2 mVrms) (high impedance, RMS, frequency 1 kHz)
Stability ±0.5% / 3 hours
Flatness ±5% (frequency of 10 MHz or below )
±10% (frequency above 10 MHz)
Output Impedance 50 Ω
DC Offset (CHA)
Offset range ±10 V (high impedance, attenuation 0 dB)
Resolution 20 mV DC
Accuracy ±(1% + 20 mV DC)
Sweep (CHA)
Linear Sweep on Frequency Or Amplitude
Sweep Range Free to set starting point and end point
Sweep Step Higher than any value of the resolution
Sweep Rate 10 ms to 60 ms/step
Sweep Direction Up, Down, Up-Down
Manual Sweep Step/time
Frequency Modulation (FM) (CHA)
Carrier Signal CHA waveforms
Modulating Signal Internal signal of CHB or External signal
Modulating Deviation 0% to 20%
Shift Keying (CHA)
FSK Free to set carrier frequency and hop frequency
ASK Free to set carrier amplitude and hop amplitude
PSK hop phase 0 to 360°, max. resolution 1°
Alternative rate 10 ms to 60 s
Burst (CHA)
Carrier Signal CHA signal
Trigger Signal TTL_A signal
Burst Counts 1 to 65000 cycles
Burst Mode Internal TTL, External, Single
CHB Output Characteristics
Waveform 32 types waveforms, including Sine, Square, Pulse
Length: 1024 points
Sampling range : 12.5 Msa/s
Amplitude resolution : 8 bits
Square wave duty cycle : 1% to 99%
Frequency Range: Sine wave: 10 mHz to 1 MHz; Other waveforms: 10 mHz to 100 kHz
Resolution: 10 mHz
Accuracy: ± (1 × 10-5 + 10 mHz)
Amplitude Range: 50mVpp to 20Vpp (high impedance)
Resolution: 20mVpp
Output impedance : 50 Ω
Burst Carrier single: channel B signal
Trigger signal: TTL_B signal
Burst count : 1 to 65000 cycles
Burst mode : Internal, External, Single
TTL Output
Waveform Characteristics Square wave, rise/fall time ≤20 ns
Frequency Characteristics 40 mHz to 1 MHz
Amplitude Characteristics TTL and CMOS compatible, low<0.3 V, high>4 V
Optional Parts
Frequency Counter Testing frequency range: 1 Hz to 200 MHz
Input signal amplitude: 100mVpp to 20Vpp
Power Amplifier Max. output power: 7 W (8 Ω), 1 W (50 Ω)
Max. output voltage: 22Vpp
Frequency bandwidth: 1 Hz to 200 kHz
Remote Interface RS232 serial interface
Common Characteristics
Operation Characteristics Key operation for all functions, menu display, rotary dial adjustment
Display Display: TFT, English
Power Requirements Power Requirements: AC 220 V (1 ± 10%) / AC 110 V (1 ± 10%)
Frequency: 50 Hz/60 Hz (1 ± 5%)
Power Consumption: <45 VA
Environmental Condition Temperature: 0 °C to 40 °C
Humidity: <80%
Standard Accessories Power cord × 1, Operation manual × 1, BNC-BNC cable × 1, test lead ×1
Dimension 415 mm × 295 mm × 195 mm
Weight 3.5 kg

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