Products

DDS Function Generator

Saelig Company, Inc. (Fairport, NY) has introduced the TG1006 - a DDS-based 1mHz to 10MHz function generator that, unlike other digital generators, can be operated over any frequency range using analog control in addition to numeric or spin-wheel frequency entry. The quasi-analog frequency control can rapidly sweep the frequency between preset limits, which is difficult to do with most digital function generators. The TG1006 Function Generator can produce waveforms between 0.001Hz and 10MHz with a resolution of six digits, and with a one-year stability of better than 10ppm. Up to ten frequencies can also be stored in memory for preset test procedures. The output amplitude is variable between 5mV and 20V pk-pk from a source impedance of 50 ohms or 600 ohms. The LCD display shows frequency and amplitude or offset simultaneously. For accurate frequency selection, precise frequencies can be entered directly from the numeric keypad in Hz, kHz or MHz.

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Embedded Radios

Specialized wireless transceivers and radio modems from Ritron (Carmel, IN)provide OEMs and Integrators with wireless connectivity and COTS convenience in a compact, cost-effective package. Direct modulation with low distortion and low group delay results in a low bit-error-rate (BER) for enhanced system integrity and reliability. The Swift Lock™ synthesizer-loading algorithm reduces unit turn-on-time to less than 10ms or high-speed data throughput, and Controlled Envelope™ keying reduces adjacent channel “keyclicks”, resulting in spectrum-friendly operation. All models meet the 2013 FCC narrowband mandate. All components are placed on the top side of a single PCB for mechanical rigidity and increased protection against damage. Narrow band (12.5 kHz) and Very narrow Band (6.25 kHz) models available.

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Product of the Month: the PicoScope 5000 Series

Pico Technology, Tyler, TX, has introduced the PicoScope 5000 Series flexible-resolution oscilloscopes that use reconfigurable ADC technology to offer a choice of resolutions from 8 to 16 bits in a single product. Multiple high-resolution ADCs can be applied to the input channels in different series and parallel combinations to boost either the sampling rate or the resolution. In series mode, the ADCs are interleaved to provide 1 GS/s at 8 bits. This mode can also provide 500 MS/s at 12 bits resolution. In parallel mode, multiple ADCs are sampled in phase on each channel to increase the resolution and dynamic performance. Resolution is increased to 14 bits at 125 MS/s per channel (70 dB SFDR). If only two channels are required, resolution can be increased to 15 bits, and in single-channel mode, all the ADCs are combined to give a 16-bit mode at 62.5 MS/s. The scopes have memory buffers of up to 512 MS to allow long captures at high sampling rates.

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Instrumentation Valves

Brennan Industries (Cleveland, OH) offers a line of compression-end instrumentation valves available with single or double ferrule-style tube fittings. The NVB Series ball valves range in size from 1/8" to 3⁄4 " and are available in either 316 stainless steel or brass construction. These valves can have two- or three-way configurations and are rated to 3,000 psi. NVN-2200 and NVN-2300 Series screwed bonnet needle valves range in size from 1/8" to 1" and are available with either metal-to-metal or soft-seat stem types. The 316 stainless steel valves are rated to 6,000 psi, and the brass valves are rated to 3,000 psi.

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Linear Actuators

Exlar, a business group of Curtiss-Wright Controls (Chanhassen, MN), offers the K Series™ linear actuators with a 75-mm frame size. They combine roller screw technology in varying performance levels, and allow the use of third-party motors. Along with 60-mm and 90-mm frame sizes, the actuators feature dimensions and form-factor consistent with ISO Metric pneumatic cylinder specifications for pneumatic and hydraulic replacement. They are compatible with any type and style of motor such as DC, stepper, and servo, and offer universal mounting configurations. They offer standard stroke lengths up to 48 inches. The standard body design provides an IP54S sealed housing with options available for IP65S sealing. A variety of materials and coatings is also offered, such as Type III hard coat anodizing, electroless nickel plating, and epoxy coating.

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Motor Controller

Fairchild Semiconductor (San Jose, CA) has released the FCM8531 analog and digital integrated motor controller. The 3-phase, hybrid BLDC/PMSM controller offers two parallel processors — an advanced motor controller (AMC) and an embedded microcontroller (MCU) — that provide a one-chip solution for complex motor control applications. The two core processors exchange data through an internal communications interface.

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DC Brushed Motor

The RE 30 EB precious metal brushed motor from maxon precision motors (Fall River, MA) features a low startup voltage and a rated torque of 53 mNm. Other features include minimal highfrequency interference, ironless windings, and precious metal brushes. The motor is designed for haptic applications such as surgical robots. The motor can also be used as a sensor, acting as the sense of touch for registering mechanical resistance.

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