40MHz Direct Digital Synthesis (DDS) Converter Arbitrary Waveform Function Signal Generator

Main Features:
1. Direct Digital Synthesis(DDS) technology,2 independent output channels
2. 3.5-inch TFT display
3.32 kinds of standard or built-in fixed waveforms
4. Minimum stable output waveform: 1mV(50Ω)
5. Multiple modulation functions: FM,FSK,ASK,PSK
6.  Frequency sweep,amplitude sweep and burst functions
7.  Overvoltage,overcurrent,output short-circuit and reverse voltage protections
8.  Optional parts:RS232 interface,frequency counter,power amplifier
 
 
 
Technical Specifications
Output Characteristics of Channel A
Waveform Characteristics
Waveform type: 32 waveforms including: Sine, Square, Triangle, Ramp, Pulse etc.
Waveform length: 1024 points Sample rate: 100MSa/s
Waveform amplitude resolution: 8bits
Sinusoidal harmonic rejection: ≥40dBc (<1MHz), ≥35dBc (1MHz~20MHz)
Sine wave total distortion: ≤1% (20Hz~200kHz)
Square rise/fall edge time: ≤35ns                Overshoot: ≤10%
Square wave duty cycle: 1%~99%
 
Frequency Characteristics
Frequency range: Sine: 40mHz~Max. frequency (MHz)  Other waveforms: 40mHz~1MHz
Frequency resolution: 40mHz
Frequency accuracy: ±(5×10-5+40mHz)
Frequency stability: ±5×10-6/3 hours
 
Amplitude Characteristics
Amplitude range: 2mVpp~20Vpp         40mHz~10MHz (high impedance)
  2mVpp~15Vpp       10MHz~15MHz (high impedance)
  2mVpp~8Vpp         15MHz~20MHz (high impedance)
Resolution: 20mVpp (amplitude>2Vpp), 2mVpp (amplitude<2Vpp)
Amplitude accuracy: ±(1%+2mVrms) (high impedance, true RMS, frequency at 1kHz)
Amplitude stability: ±0.5%/3 hours
Amplitude flatness: ±5% (frequency<10MHz), ±10% (frequency >10MHz)
Output impedance: 50Ω
 
DC Offset Characteristics
Offset range: ±10V (high impedance, attenuation 0dB)     Resolution: 20mVdc
Offset accuracy: ±(1%+20mVdc)
 
Sweep Characteristics
Linear sweep on frequency or amplitude.
Sweep range: free to set start point and stop point.
Sweep step: higher than any figure of resolution.
Sweep rate: 10ms~60s/step
Sweep mode: UP, DOWN, UP-DOWN
Manual sweep: step/time
 
Frequency Modulation Characteristics
Carrier signal: channel A signal
Modulation signal: internal signal of channel B or external signal
FM deviation: 0%~20%
 
Shift Keying Characteristics
FSK: free to set carrier frequency and hop frequency
ASK: free to set carrier amplitude and hop amplitude
PSK: hop phase 0~360°,  Max. resolution 1°
Alternative rate: 10ms~60s
 
Burst Characteristics
Carrier signal: channel A signal
Trigger signal: TTL_A signal
Burst count: 1~65000 cycles
Burst mode: Internal TTL, External, Single
 
Output Characteristics of Channel B
Waveform Characteristics
Waveform type: 32 waveforms including: Sine, Square, Triangle, Ramp, Pulse etc.
Waveform length: 1024 points Sample rate: 12.5MSa/s
Waveform amplitude resolution: 8bits
Square duty cycle: 1%~99%
Frequency Characteristics
Frequency range: Sine: 10mHz~1MHz              Other waveforms: 10mHz~100kHz
Frequency resolution: 10mHz
Frequency accuracy: ±(1×10-5+10mHz)
 
Amplitude Characteristics
Amplitude range: 50mVpp~20Vpp (high impedance)    Resolution: 20mVpp
Output impedance: 50Ω
 
Burst Characteristics
Carrier single: channel B signal
Trigger signal: TTL_B signal
Burst count: 1~65000 cycles
Burst mode: Internal TTL, External, Single
TTL Output Characteristics
Waveform Characteristics: Square, rise/fall time≤20ns
Frequency Characteristics: 40mHz~1MHz
Amplitude Characteristics: TTL, CMOS compatible, low<0.3V, high>4V
u Common Characteristics
 
Power Source
Voltage: AC220V (1±10%)
 AC110V (1±10%) (Pay attention to the voltage selection on rear panel)
Frequency: 50Hz (1±5%)
Power: <45VA
 
Environment
Temperature: 0~40ºC Humidity: <80%
 
Operation Characteristics
Keypad operation and rotary knob operation
 
Display
3.5-inch TFT display
English, Chinese (simplified), Chinese (traditional)
 
Dimension and Weight
415mmx295mmx195mm                 Weight: 3.5kg
 
Manufacturing Technology
Surface Mount Technology, Integrated Circuit. High reliability and stability.
Optional Parts Characteristics
 
Frequency Counter
Testing frequency range: 1Hz~150MHz
Input signal amplitude: 100mVpp~20Vpp
 
Power Amplifier
Max.output power: 7W (8Ω), 1W (50Ω)
Max.output voltage: 22Vpp
Frequency bandwidth: 1Hz~200kHz