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June, 2019


www.us- tech.com


Page 71 TI Intros Two RF-Sampling Transceivers


Dallas, TX — Texas Instruments (TI) has introduced two new RF-sampling transceivers, which are, reportedly, the first in the industry to integrate four analog-to-digital converters (ADCs) and four digital-to-analog converters (DACs) in a single chip. With a wide frequency range,


high instantaneous bandwidth and a 75 percent smaller design footprint than a discrete solution, the quad- channel AFE7444 and dual-channel AFE7422 transceivers help engi- neers more easily achieve multi- antenna, direct RF sampling for radar, software defined radio and wireless 5G applications. Offering high IBW for radio fre-


Dow Introduces Next-Gen Silicone Adhesive


Midland, MI — Dow has launched its DOWSIL™ EA-4700 CV adhesive, a next-generation silicone solution for transportation assembly that is capable of room-temperature curing at faster speeds, while maintaining the performance advantages expect- ed from silicone adhesives. This advanced new assembly


solution bonds at room temperature to traditional metals and plastics used in electronics assembly. The adhesive also offers low levels of volatile condensable materials to support its use near sensitive elec- tronic components. With room temperature curing,


the new adhesive achieves 1 MPa adhesion strength within three hours, depending on the substrate material. Using new chemistry and formulation techniques, faster cure times are achieved with reasonable open time and dispensing. Both fac- tors are important to assembly process efficiency. By reducing or eliminating oven curing, manufac- turers can reduce capital expense and energy usage during operation. The technology used in the


adhesive also allows heat exposure to accelerate adhesion development, without the risk of voiding. For example, exposure to heat at 176°F (80°C), a temperature compatible with most plastic substrates, for less than five minutes allows 1 MPa of adhesion to build on polybutylene terephthalate (PBT). A two-part, primerless adhesive,


DOWSIL EA-4700 CV adhesive cures rapidly after mixing and provides sta- ble adhesion and sealing performance under a typical operational environ- ment of 302°F (150°C), thermal shock, and 185°F (85°C) 85 percent relative humidity. This advanced assembly solution also has 600 percent elonga- tion, which makes it suitable for larg- er modules that experience a coeffi- cient of thermal expansion (CTE) mis-


match between substrates. Contact: Dow, Global Dow


Center, 2211 H.H. Dow Way, Midland, MI 48674 % 989-636-1000 Web: www.dow.com


 with the VisionX-Series


quency (RF) sampling transceivers, the AFE7444 and AFE7422 enable engineers to achieve up to 600 per- cent more data throughput. Sampling up to 9 gigasamples


per second (GSPS) per DAC and up to 3 GSPS per ADC, the AFE7444 receives and transmits up to 800 MHz of information from each of the four antennae, and the AFE7422 receives and transmits 1.2 GHz from each of the two antennae. The AFE7444 and AFE7422


enable engineers to support up to eight antennae and 16 RF bands with only one device. The AFE7444 and AFE7422 also allow engineers to directly sample input frequencies


AFE7444 RF-sampling transceiver.


into C-band, without the need for additional


frequency conversion stages, eliminating local oscillators,


mixers, amplifiers and filters in designs. Additionally, the two trans- ceivers’ architecture allows for greater programmability than tradi- tional RF solutions, and flexible dec- imation options enable optimization of data bandwidth. With four ADCs and four DACs


in one chip, the AFE7444 and AFE7422 help engineers to reduce the design cycles associated with the manufacturing and testing phases required when designing with dis-


crete components. Contact: Texas Instruments,


Inc., 12500 TI Boulevard, Dallas, TX 75243 % 972-995-2011 Web: www.ti.com


       


New software included:


ViCON VisionX


VisionX-Series Convection Soldering


For more information visit or call + 1 770 442 8911


Smarter Software for


 


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