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July, 2012


www.us-tech.com


Applied Motion Integrates Steppers and Drives


Watsonville, CA — New from Applied Motion Products, Inc. are its STM17R and STM23R drive+motors, the newest members of its line of integrat- ed steppers. The STM17R integrates a NEMA 17-step motor and a micro - stepping drive into a single device, offering savings on space, wiring and cost over conventional motor and drive solutions. The STM23R does the same with a NEMA 23 step motor and


a 1000-line, incremental encoder assembled to the rear shaft of the unit, and used for position and veloc- ity verification. The STM17R provides up to 68


oz-in. of torque and can be powered from 24 to 48VDC. The STM23R pro- vides up to 210 oz-in. of torque and can be powered from 12 to 70VDC. All STM models are CE certified and


RoHS compliant. Contact: Applied Motion


Products, 404 Westridge Drive,


Watsonville, CA 95076 % 800-525-1609 or 831-761-6555 E-mail: sales@applied-motion.com Web: www.applied-motion.com


Integrated stepper motors.


a microstepping drive. The “R” desig- nation in the part number identifies each model as a step & direction-only unit, a feature that promises the best price in an integrated stepper for those applications requiring basic step and direction control. Setup of each drive+motor —


including running current, idle cur- rent, microstep resolution, load iner- tia ratio (for peak smoothness), and pulse signal type (pulse-direction or pulse-pulse) — is managed by two banks of dip switches on the drive enclosure. No software downloads are required for configuration. All STM17R and STM23R inte-


grated steppers come with three dig- ital inputs (step/pulse, direction/ pulse, enable) and one digital output (fault), all compatible with 5 to 24VDC. They are available in single- shaft, double-shaft, and double-shaft with encoder models. Each double shaft with encoder model comes with


1000VDC Surge Protector From Automation


Systems Mechanicsburg, PA — Automation Systems Interconnect Inc. has released its UL1449 3rd Edition Recognized 1000VDC Surge Protection Device. The DIN Rail- mountable, pluggable module has a max discharge current (8/20) 50kA. The nominal discharge current (8/20) is 20kA. The SPD uses patent-pend- ing MOV technology with high ener- gy thermal protection to provide reli- able surge protection. The device is designed to extinguish the arc inter- nally to give a quick thermal response and device cutoff.


Page 89


New Crystek VCO for Communications


Fort Myers, FL — Crystek’s CVCO55CC-2558-2575 VCO (Voltage Controlled Oscillator) oper- ates from 2558MHz to 2575MHz with a control voltage range of 0.3V to 4.7V. This VCO has a typical phase noise of –120dBc/Hz at 10kHz offset and has excellent linearity. Output power is typically +8dBm. Engineered and manufactured


in the USA, the model CVCO55CC- 2558-2575 is packaged in the indus- try-standard 0.5 x 0.5-in. (12.7 x 12.7mm) SMD package. Input volt- age is 8V, with a max. current con-


sumption of 29mA. Pulling and Pushing are minimized to 2.0MHz and 0.2MHz/V, respectively. Second harmonic suppression is –15dBc typ- ical. The VCO is suitable for use in applications such as digital radio equipment, fixed wireless access, satellite communications systems,


and base stations. Contact: Crystek Corporation,


12730 Commonwealth Drive, Ft. Myers, FL 33913 % 800-237-3061 or 239-561-3311 fax: 239-561-1025; E-mail: sales@crystek.com; Web: www.crystek.com.


DIN rail-mountable surge protection module.


Contact: Automation Systems Interconnect, Inc., P.O. Box 1340,


Mechanicsburg, PA 17055 % 877-650-5160 fax: 717-249-5542 E-Mail: info@asi-ez.com Web: www.asi-ez.com


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