ADC Spur Reduction Technology Demo Results

Below is a series of before and after plots of the 1st 8 Nyquist zones with a CW signal in each of the zones. These plots highlight our spur reduction technology in each of the Nyquist zones.

  • 2.4 Gsps Acquisition Rate
  • 96 K Samples
  • 4.333 GHz CW Signal
precision-receivers-demo-1

Nyquist Zone 1 – 1030 MHz

Typical ADC Data

 PRI Enhanced Data

Zone 1
1030 MHz
Improvements
SFDR = 14.7 dB
ENOB = 1.6 Bits
SINAD = 9.7 dB

Nyquist Zone 2 – 1520 MHz

Typical ADC Data

PRI Enhanced Data

Zone 2
1520 MHz
Improvements
SFDR = 16.5 dB
ENOB = 1.8 Bits
SINAD = 10.6 dB

Nyquist Zone 3 – 2635 MHz

Typical ADC Data

 PRI Enhanced Data

Zone 3
2635 MHz
Improvements
SFDR = 11.3 dB
ENOB = 1.3 Bits
SINAD = 8.1 dB

Nyquist Zone 4 – 4333 MHz

Typical ADC Data

PRI Enhanced Data

Zone 4
4333 MHz
Improvements
SFDR = 9.8 dB
ENOB = 1.3 Bits
SINAD = 7.6 dB

Nyquist Zone 5 – 5400 MHz

Typical ADC Data

PRI Enhanced Data

Zone 5
5400 MHz
Improvements
SFDR = 5.6 dB
ENOB = 0.8 Bits
SINAD = 5.0 dB

Nyquist Zone 6 – 6555 MHz

Typical ADC Data

PRI Enhanced Data

 Zone 6
6555 MHz
Improvements
SFDR = 4.0 dB
ENOB = 0.7 Bits
SINAD = 4.1 dB

Nyquist Zone 7 – 8000 MHz

Typical ADC Data

PRI Enhanced Data

Zone 7
8000 MHz
Improvements
SFDR = 1.9 dB
ENOB = 0.6 Bits
SINAD = 3.6 dB

Nyquist Zone 8 – 8610 MHz

Typical ADC Data

PRI Enhanced Data

Zone 8
8610 MHz
Improvements
SFDR = 9.4 dB
ENOB = 1.2 Bits
SINAD = 7.3 dB