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GRA & AFCH DDS 9912 Arduino Shield OPERATING INSTRUCTION Firmware v. 1.01 Rev. A...
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WARNING ⚠ Use only a power supply with a voltage rating of 7.5 volts or USB to power this device! GENERAL GUIDE The device is an expansion board (shield) for Arduino Mega based on the ATmega2560 microcontroller with 5-volt logic levels, since the board has logic signal level converters from 5V to 3.3V.
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DIV: This option is only available when the CMOS channel is enabled. It sets the frequency divider for the CMOS channel in the range from 1 to 65535. dBm: The signal level at Sinus channel (RF OUT) can be adjusted from -7 dBm to +4 dBm. Sweep menu - “Sweep”: Pressing the encoder knob when the "Sweep"...
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SPECIFIACTIONS RF OUT Frequency: 100 kHz – 400 MHz (500* MHz) in 1 Hz step Spurs max: -60 dBc Frequency step: 1 Hz Output power: -7 dBm to +4 dBm (on 50 Ohm load) Output level up to: 1 Vpeak-to-peak (at +4 dBm) Power Supply: USB or External Power Supply DC 7.5V, 1A Output filter:...
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