Wireless Data
CMX7146 – BPSK Wireless Data Modulator
The CMX7146 is a flexible data transmitter supporting BPSK (Binary Phase Shift Keying) and Differential BPSK modulation (sometimes called PRK, Phase Reversal Keying or 2PSK). BPSK is often used when robust, long-range data communication is required. It is also simple to demodulate and power efficient.
The CMX7146 generates precise baseband analogue in-phase and quadrature signals, which allow the transmitted signal to be generated with high accuracy, making it suitable for up-conversion to an RF carrier of the user’s choice.
The device supports raw (bits in, modulation data out) and preloaded (messages in, modulation data out) transmissions and also features a transmit (Tx) trigger input to enable precisely timed data transfers. A power amplifier ramping DAC can also be employed to control transmission bursts which can be synchronised as part of the transmit sequence.
Operating from a 3.3V supply, the CMX7146 is designed using CML’s FirmASIC® technology. A Function Image™ (FI) file, which defines the operational capabilities of the device, is available from the CML Technical Portal.
Devices are available through our Distributor Network.
Features
- Data rates supported 600/1200/2400/3600/4800/9600bps
- Up to 13 bytes per burst
- PA ramp DAC
- Baseband IQ outputs for RF modulation
- Additional data converters
- C-BUS (SPI compatible) serial control interface
- Plain or differential BPSK
- Programmable RRC filter
- a=0.2/0.3/0.35
- Low power consumption
- 7mA TX 1200bps
- 15mA 9600bps
- Flexible clocking options
- Through port control for IQ up converter
- Auxiliary converters for sensor interfacing
- 3.3V supply
- Small 48QFN package (Q3)
Applications
- Emergency beacons
- IIoT transmitters
- Cube SAT communications
Power Supply Requirement
- 3.3V supply
Downloads
Design Resources
| PE0402
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The PE0402 Platform Evaluation Kit is designed to assist in the evaluation and application development of the CMX704x/CMX714x range of FirmASIC products. | PE0402_Product_Preview
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| PE0003
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The PE0003 Evaluation Kit Interface Card is a global interface system for use with evaluation kits for CML’s new generation ICs, including FirmASIC™ based products. This greatly simplifies the approach to the evaluation and design-in process. | PE0003_Product_Page |
