Zhengzhou Ming Wo Electronic Technology Co., Ltd.
MHS-5200A DDS Signal Generator/Counter
On eBay
Features:
- Various models available:
- 8 Bit or 12 Bit A/D
- Max frequency of 6 MHz, 12 MHz, 20 MHz, and 25 MHz.
- Dual output.
- Log and linear sweep.
- Arbitrary waveform.
- USB interface.
- TTL outputs.
- Frequency counter.
Manual at https://supereyes.ru/img/MHS/MHS5200A_manual.pdf
200Msa/s 12 Bits
Harmonics at 1.3MHz
Second harmonic down 44.3 dBc

Sidebands at 1.3MHz
Span 200 kHz.

Span 20 kHz.

Span 500 Hz.
Harmonics at 13MHz
Second harmonic down 40.952 dBc

Sidebands at 13MHz
Span 1 MHz.
Span 20 kHz.

Span 500 Hz.

Intermodumation Distortion at 13MHz
Crosstalk down 52 dBc
Intermodulation Distortion down 57.589 dBc