The CMX972 features a low-power quadrature IF/RF demodulator with wide operating frequency range and optimised power consumption.
The demodulator is suitable for superheterodyne architectures with IF frequencies up to 300MHz and may be used in low IF systems or in those converting down to baseband.
An on-chip PLL and VCO, together with uncommitted baseband differential amplifiers, provide additional flexibility. Control of the CMX972 is by serial bus.
The small, RF-optimised 32-pin VQFN package and minimal external components make the device ideal for space-constrained applications.
Devices are available through our distributors below:
Application Note describing how to estimate the operating frequency of VCO designs using a negative resistance amplifier. An Excel spreadsheet that automates the calculation is available below.
An Excel spreadsheet that calculates the operating frequency of VCO designs using a negative resistance amplifier. An Application Note describing the process is available above.
Guides to operation and interfacing
EV9720 high resolution schematics. Version A02
EV9720 Evaluation Software. Requires a PE0003 Universal Interface Card. Version 3.1
PE0003 USB driver for Windows. Version 1.0
Additional information for EV9720 serial numbers 201110 - 201133
VQFN Design Guidance Notes