Microwave Engineering Europe - December 2008 - (Page 31) PRODUCTS 31 Microcontrollers designed for machine-to-machine communications Atmel has announced the AT90M family of secure microcontrollers designed for machine-to-machine (M2M) modules. Based on the 8-/16-bit RISC core allowing single cycle instruction execution, the first device AT90M25672RU embeds 72 Kbytes of EEPROM data memory, 6 Kbytes of RAM and 256 Kbytes of ROM program memory. It shares common features with the company’s secureAVR® family to provide easy migration in terms of code binary compatibility, development tools and reference designs. The AT90M family is designed for extreme environmental conditions. www.mwee.com/212000544 SMT VCOs +9 dBm over 20.9 - 26.8 GHz The HMC738LP4(E) and HMC739LP4(E) GaAs HBT SMT MMIC VCOs from Hittite provide low phase noise and high output power for point-to-point, pointto-multipoint, VSAT, military and test equipment applications in the frequency range, 20.9 to 26.8 GHz. Both devices integrate resonators, negative resistance devices, and varactor diodes, and feature fundamental, RF/2, and divide-by-16 outputs. For added flexibility, the divide-by-16 prescaler function can be disabled to conserve current when not required. The HMC738LP4(E) is a fully integrated VCO that provides output power of +9 dBm, and delivers very low SSB phase noise of -95 dBc/Hz at 100 kHz offset. This low-noise VCO accepts a tuning voltage from 1 V to 13 V, and provides an output frequency from 20.9 GHz to 23.9 GHz. The HMC739LP4(E) is a fully integrated VCO that provides output power of +8 dBm, and delivers a low SSB phase noise of -93 dBc/Hz at 100 kHz offset. This low-noise VCO also accepts a tuning voltage from 1 V to 13 V, and provides an output frequency from 23.8 GHz to 26.8 GHz. www.mwee.com/212200010 Microwave Engineering ● December 2008 ● www.mwee.com http://www.mwee.com/212000544 http://www.feko.info http://www.feko.info http://www.mwee.com/212200010 http://www.mwee.com
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