hipping list:
DDS signal generator * 1
DC 5V power supply * 1

Instrument Introduction
UDB100x series is based on direct digital synthesis (DDS) technology signal generator， using FPGA design， easy to use， high signal stability， but also has TTL output and external frequency measurement function， able to adjust the amplitude of the output signal and DC bias， suitable for laboratory， engineering and technical personnel as well as enthusiasts.
Main technical data
Signal output
                Output waveform Sine wave， square wave (variable duty cycle)， triangle wave， sawtooth wave.
                Output amplitude ≥ 9Vp-p (no load)
                Output Impedance 50Ω ± 10%
                ± 2.5V DC bias
                Display LCD1602
      Frequency Range 0.01Hz ~ 2MHz (UDB1002)
0.01Hz ~ 3MHz (UDB1003)
0.01Hz ~ 5MHz (UDB1005)
                Frequency Resolution 0.01Hz (10mHz)
                    Frequency stability ± 1 × 10-6
                Frequency Accuracy ± 5 × 10-6
Sine wave distortion ≤ 0.8% (reference frequency is 1kHz)
Triangle wave linearity ≥ 98% (0.01Hz ~ 10kHz)
Square wave rise and fall time ≤ 100ns
Square Wave Duty range 1% to 99%
 
TTL output
Frequency Range 0.01Hz ~ 2MHz (UDB1002S)
0.01Hz ~ 5MHz (UDB1005S)
0.01Hz ~ 8MHz (UDB1008S)
           Amplitude> 3Vp-p
           Fanout factor> 20 TTL loads
COUNTER counter function
           Counting range 0-4294967295
           Measurement frequency range 1Hz ~ 60MHz
           Input amplitude 0.5Vp-p ~ 20Vp-p
SWEEP scan function (only UDB100xS Series)
           Sweep range fM1 to fM2
           Input amplitude 0.5Vp-p ~ 20Vp-p
Other features
           Storage and transferred M0-M9 (M0: Default transferred)