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SPDT Surface Mount Switches Target Military Applications
April 11, 2008 9:14 am | Product Releases | CommentsRLC Electronics announced the MIL-DTL-3928 QPL Series of SPDT surface mount switches that operate within a frequency range from 8 GHz to 18 GHz. The nominal operating voltage is 5V DC, 12V DC or 28V DC, depending on model. The insertion loss at DC to 8 GHz is 0.4 dB maximum and at DC to 18 GHz is 0.7 maximum.
Silent Detect Switch Accepts Wide-Angle Actuation
April 11, 2008 4:41 am | Product Releases | CommentsTargeting tactile-switch applications where input may come in from a variety of angles, the KSJ Series of normally-open SPST detect switch has a spherical actuator for a ±30° force angle offset with a maximum stroke of 1.2 mm. The voltage range is from 20 mV to 32V DC at from 1 mA to 50 mA. With a contact resistance of less than
Bidirectional Overvoltage Chip Provides Improved DSL Protection
April 10, 2008 9:27 am | Product Releases | CommentsWith a construction that prevents surge events from being shunted into the ground and power plane, Littlefuse’s TwinChip SDP Series SIDACtor protection device provides improved DSL overvoltage protection as well as broadband driver amplifier protection for the secondary side of coupling transformers. The bidirectional device limits DSL secondary line voltage to a 43V peak with a surge current rating up to 100A for a lower and more stable off-state capacitance than typical thyristor overvoltage protection.
Oscillator Achieves Frequency Accuracy
April 10, 2008 9:19 am | Product Releases | CommentsOperating at a frequency range of 1 MHz to100 MHz, Raditek Inc. announced the ROCXO-26 series oscillator. The device achieves 0.1 ppm frequency accuracy and 5V DC or 12 V DC supply voltage. Features include stability up to ±0.05 × 10-6, low aging, and compact package.
Tactile Switches Provide Illumination Choice
April 10, 2008 8:27 am | Product Releases | CommentsWith seven different cap options and a choice of LED, the JS Series of 12mm2 illuminated momentary tactile switch provides cosmetic design choices for control in applications such as A/V equipment, consumer electronics, and test instruments. Made of polycarbonate in a nylon housing, the 12V DC logic-level switch has a tested electrical life of 100,000 cycles. Additional features include a contact resistance of less than 50mW (initial) and a dielectric strength of 1000Vrms (minimum) with an insulation resistance of over 100mW (minimum).
Transceiver IC Empowers 2.4 GHz Networks
April 10, 2008 6:52 am | Product Releases | CommentsOperating in the 2.4GHz band, the Nordic Semiconductor nRF24L01+ single-chip transceiver IC offers a 250kbps data rate option mode with a -94dBm sensitivity for up to triple the operating range over previous parts. Supporting up to six simultaneous wireless devices, the IC has a peak current of 13.5mA, enabling enough of a power budget to run a product on standard coin cell batteries.
Active Bypass Power Amplifiers Extend Handset Usage Time
April 10, 2008 5:29 am | 3M Electronics Solutions Division | Product Releases | CommentsWith a power-saving quiescent current of 3mA and a gain of 10dB, Avago’s ACPM-7353 power amplifier can deliver power levels up to 11 dBm, extending operation in portable devices without compromising performance. Deployable using high, mid, or active-bypass power modes, the device supports cellular and USPCS dual-band frequencies with an RF input port for each band. Based on the fifth generation of its revolutionary CoolPAM technology, the Avago amplifier achieves up to a 10 percent extension of battery life over previous CDMA/UMTS network products.
Crosspoint Matrix Provides High Current Capacity
April 10, 2008 5:15 am | Product Releases | CommentsThe 60-600 high current capacity 256-relay crosspoint matrix from Pickering Interfaces can switch voltages up to 30V DC or 250V AC. With features including a 10A rating per channel the 1U rackmount device is deployable in a variety of matrix configurations, from 64 × 4 to 16 × 16, one pole, with 8-way high-power D-Type connectors for both the X- and Y-axis connections.
Software Upgrades Offer Additional Capabilities and Streamlined User Interface
April 9, 2008 11:22 am | Product Releases | CommentsAnsoft Corporation announced two software upgrades for the design and analysis of electromagnetic devices. Maxwell v12 is electromagnetic field simulation software used for the design and analysis of 3D/2D structures, such as motors, actuators, transformers and other electric and electromechanical devices common to automotive, military/aerospace and industrial systems. RMxprt v12 is a specialized software program dedicated to the design of electric machines.
Green is also the Color of Money
April 9, 2008 10:08 am | Blogs | CommentsImproving the environment is always a good idea, but wireless companies are finding ways to go green while bringing more “green” to their bottom lines.
Boost Controller IC Drives Solid-State Lighting
April 9, 2008 7:49 am | Product Releases | CommentsIntended for applications such as solid-state lighting where the output is a regulated current instead of a regulated voltage, the TPS40211 non-synchronous boost controller can drive multiple 1W to 5W high-brightness LEDs in series when the input voltage is less than the voltage required. Using a fixed-frequency current-mode control for improved transient
Switching Power Supplies Offer Reduced Case Sizes
April 9, 2008 6:55 am | Product Releases | CommentsUtilizing high-density SMT construction, the multi-package PMK225 line of switching power supplies offers case sizes up to 30 percent smaller than products with similar output power. Presenting power densities of up to 4W/in3, the device is available in U-Channel, enclosed, or DIN-Rail mount configurations. Features of the UL/EN60950-1-approved power supply include short circuit, overvoltage and over current protection with an integral power-good LED indicator and screw terminal input/output connections.
Servo Motor Drives Large Loads with 4.5A Input
April 9, 2008 6:50 am | Product Releases | CommentsSuited for driving large flywheel loads without additional gearing, the QCI-A34L-1 servo motor can handle inertial miss-matches as great as 100:1. Providing a 185 oz-in (1.3Nm) of continuous torque, 260 oz-in (1.8Nm) of peak torque, and 100W of continuous mechanical power from an input of 4.5A, the motor can operate at speeds of up to 2000 RPM.
19” Enclosures Accept 3U Subracks and Chassis
April 9, 2008 5:36 am | Product Releases | CommentsThe ‘INSTRUMET’ 19” case range from METCASE conform to the DIN and IEC standards for full and half width 19” equipment, and accept standard 3U subracks and chassis. Typical applications include test and measurement devices, communications equipment, medical equipment, and laboratory systems. The aluminium cases are available in three standard sizes: 3U × 10.5” × 13.8”, 3U × 19” × 13.8” and 3U × 19” × 17.7”.
Multilayer Ambient Sensors Feature Fast Response and Interchangeability
April 8, 2008 11:29 am | Product Releases | CommentsThe UPSICAP passive and active sensors measure ambient temperature and relative humidity. The tiny (9 mm × 8 mm) passive elements vary their capacitance with humidity and their resistance with temperature, and they are fully interchangeable without recalibration.
