IF/RF Quadrature Demodulator
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Product Description

The CMX970 is a low power IF or RF quadrature demodulator featuring a wide operating frequency range and low power consumption. Suitable for architectures with IF or RF frequencies up to 300MHz the device may be used in low IF systems or those converting down to baseband. Control of the CMX970 may be either by serial bus or by direct control (with reduced functionality). The small, RF-optimised VQFN package and minimal external components make the device ideal for space-constrained applications.


  • 20 300MHz IF/RF Demodulator
  • 10MHz Rx I/Q Bandwidth
  • Serial Bus or Direct Control Operation
  • Serial Bus or Direct Control Operation
  • Variable Gain and DC Offset Adjustments
  • Low Power 3.0V 3.6V Operation
  • Small 16-lead VQFN Package
Voltage:3.0 to 3.6 VDC
Form factor:16-pin VQFN
Temperature:-40 to +85 °C
Dimensions:4.0 x 4.0 x 0.9 mm
Current:15 mA
Local Oscillator Input:40 to 1000 MHz
RF/IF Input:20 to 300 MHz
Gain:56 dB
Noise Figure:10 dB