Features of DDS Function Generator

Compact uC based system with 2 Line LCD interface & keypad (4 keys) and two potentiometers.
Settable frequency from 0-1MHz with a resolution of 1Hz in all ranges.
Potentiometer-1 used for Coarse Tuning & Potentiometer-2 used for Fine Tuning of the frequency setting.
Four Keys – UP Key, DOWN key for Range Selection, Waveform Select key & Enter key.
Following table consist the range selection, with accuracy & resolution:

S.No	Range Selection	Potentiometer-1 Range – Coarse Tuning	Potentiometer-2 Range – Fine Tuning	Accuracy	Display Resolution
1.	0-10Hz	0-10Hz	-	+/- 1Hz	+/- 1Hz
2.	10-100Hz	10-100Hz	-	+/- 1Hz	+/- 1Hz
3.	100-1000Hz	100 – 990Hz	0-10Hz	+/- 1Hz	+/- 1Hz
4.	1KHz-10KHz	1KHz – 9900Hz	0-100Hz	+/- 1Hz	+/- 1Hz
5.	10KHz-100KHz	10KHz – 99KHz	0-100Hz	+/- 1Hz	+/- 1Hz
6.	100KHz-1MHz	100KHz – 900KHz	0-1000Hz	+/- 1Hz	+/- 1Hz

Selectable Sine & Triangle Waveform. Square & Pulse waveform can be generated by using additional circuits using sine or triangle.
Maximum Amplitude of 4.50V. (also can be increased by additional circuits)
Amplitude Display on LCD. (0-5V or 0-15V according to specification).
Unit working with +5V/ 100mA.