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content


Heim Data rolls out new recorders

Heim Data rolls out new recorders

Heim Data Systems Inc. introduces the new GSR20f and GSR200f, ground station and test cell recorders. Ideal for ground-based telemetry, satellite down-link,
  • Written by Urgent Communications Administrator
  • 1st August 2003

Heim Data Systems Inc. introduces the new GSR20f and GSR200f, ground station and test cell recorders. Ideal for ground-based telemetry, satellite down-link, multi-channel analog and bus recording, the easy to use GSR20f and GSR200f feature all digital recording, high data integrity, signal interfacing and interchangeable media.

Heim Data’s versatile GSR20f and GSR200f have plug-in media cartridges that accept tape, disk or solid state drives at any time during the life of the equipment. Media can be exchanged in seconds, providing flexibility to optimally match the media to each individual application and provide support capability and security. The media cartridges offer standard SCSI interfacing, allowing the system to act as a front-end multiplexer to any other external media/drive having compatible protocol.

The GSR200f is a rack-mounting, 200 Mbit/s digital recorder capable of simultaneously acquiring multiple streams of data from ground, airborne and satellite data and telemetry sources and recording them to a storage media for later retrieval and analysis. Data retrieval may be via real time reconstruction of the original sources or by direct high speed transfer of digital data to the user’s computing platform.

The GSR20f is a similar system with 20 Mbit/s capability for applications requiring lower data rates. Applications include acquisition of digital, analog and avionics bus sources and ground replay of media originally recorded in airborne flight test recorders.

With their read-after-write technology, both recorders ensure high data integrity and accurate channel-to-channel time relationships. The integrated IRIG time code generator/reader provides accurate data time tagging and precise synchronism with external IRIG and GPS time sources. The system’s front panel controls provide optimum ergonomics for ground-based operations, including permanent time display, fast search access, automatic calibrations and system check.

An optional built-in PC allows flexible interfacing to networks and other interfaces for data distribution, and can provide an integrated platform for signal display and analysis applications. A built-in SCSI (GSR20f) or Ethernet (GSR200f) interface supported with available GUI applications and driver libraries allows high speed digital download of data direct to local and remote analysis platforms. The mainframe has six signal module slots that can accommodate any combination of existing and future D Series signal interface modules, including analog, MIL-1553, PCM, ARINC429, Ethernet, voice, serial, video and others.
www.heimdata.com

Centurion unveils stubby antennas

Centurion Wireless Technologies Inc. announced a new product line of fixed antennas for handheld devices. Centurion’s six new low cost, high-performance stubby antennas are an off-the-shelf solution for handheld device Original Equipment Manufacturers working on tight production schedules.

The antennas are part of Centurion’s standard product line and are readily available to fit any device working in multiple bands including PCS, DCS, GSM, AMPS, CDMA, and EGSM.

Centurion’s standard line of stubby antennas enables manufacturers searching for an antenna solution to get their devices to market faster. While the antennas need to be tuned to meet the manufacturer’s device specifications, they require no tooling, decreasing the overall production time needed to assemble handheld devices for voice or data over voice applications. The antennas are available in various dimensions, widths, colors, sizes and design elements to accommodate various requirements. The manufacturer can also choose from several connection methods, including snap-in or screw-in.

Each antenna features vertical polarization, with an impedance of 50 ohms. The antennas are extremely small, ranging from 10 mm to 20 mm in length. They operate at a temperature ranging from — 40 degrees Celsius to 85 degrees Celsius. The antenna’s gain varies according to band.

Centurion’s line of stubby antennas include:

  • GSM/DCS Stubby
  • GSM/DCS Snap-In Stubby Antenna
  • CDMA Snap-In Stubby Antenna
  • GSM/EGSM Screw-In Stubby
  • EGSM/DCS Screw-In Stubby
  • GSM/DCS Screw-In Stubby

Digital Voice debuts new voice unit

Digital Voice Systems Inc. has introduced the Net-2000 Voice Codec Unit. The Net-2000 voice codec unit (VCU) incorporates Digital Voice Systems’ AMBE Vocoder technology to bridge analog speech I/O to an Ethernet network. This stand-alone device supports multiple AMBE vocoder modes that make it ideally suited for a variety of digital communication systems as well as volume OEM applications such as VoIP, and voice recording / storage products.

The flexibility of the Net-2000 VCU’s AMBE Vocoder technology maximizes communications system resources and provides optimum voice comprehension even with extreme bit errors or acoustic background noise.

The Net-2000 includes AMBE Vocoder modes with bit rates between 2.0 — 9.6 kbps, built-in FEC, DTMF capability, Voice Activity Detection (VAD), Comfort Noise Insertion (CNI), and echo cancellation. The Net-2000 also incorporates DVSI’s newest AMBE+2 Vocoder that sets the standard for speech quality at the low data rate of 4.0 kbps. The superior performance characteristics of AMBE+2 Vocoder are essential in voice communication applications where bandwidth is at a premium and high quality voice is imperative.

In fact, the AMBE vocoder has been proven by numerous independent evaluations, to out perform CELP and other competitive technologies at under half the data rate.

To meet a wide range of communication system requirements the NET-2000 Voice Codec Unit offers an array of speech and channel interfaces along with control features that make it easy to set-up and operate. The Net-2000 includes two-wire, 4-wire and handset analog interfaces for input and output of uncompressed speech, as well as, Ethernet and RS-422 as its channel data interface. A unique feature of the Net-2000 is that both voice and channel data can be transmitted over the Ethernet interface at the same time. The Ethernet interface can be used to create a real-time Ethernet based vocoder communication system or to record/playback files using a PC.

The Net-2000 can be controlled from a PC connected to the RS-232 or Ethernet interface. When connected on a LAN — any PC on the network can use a standard Web browser to configure and control the Net-2000 unit without requiring any custom PC software. The user-friendly web pages built-into the Net-2000 make it easy to select analog audio interfaces, configure the AMBE vocoder mode and to establish real-time, full-duplex communication across the Ethernet or RS-422 connection. In addition to the control, the web pages display information about network settings, operating mode and system status. With the Net-2000 connected to an Ethernet network its Web page can even be accessed using a wireless notebook or tablet PC.

Midian releases plug-in encryption

Midian Electronics released the MOT-TVS-2-J1, a high-level rolling code scrambler for the Motorola HT-1000 radio versions C and higher.

The scrambler plugs into the options connector on the logic board of the HT-1000.

Midian’s TVS-2 Series of scramblers utilize the frequency hopping type of rolling code encryption for higher security.

The MOT-TVS-2-J1 utilizes Midian’s Kryptic signaling format for features such as ANI, Selective Calling, Dead-beat Disable, and Over-The-Air-Reprogramming (OTAR) of the primary security code.

The Kryptic features are used in conjunction with Midian’s CAD-300 or DDU-300 Kryptic Controllers.
www.midians.com

Cimarron unveils decode option addition

Cimarron Technologies has announced the availability of the DTMF decode option in their C Plus ANI decoders. With this option all of the popular formats of Automatic Numeric Identification, ANI, are available in a single unit. The user can now select between DTMF, MDC-1200, FleetSync or GE-STAR in the C Plus decoder and with the multi-format option the user can decode three of the formats within the same C Plus unit.

DTMF can be added to most previously delivered C Plus units with a flash program.

The C Plus with the multi-format mode allows companies to convert from one format to another without replacing their whole fleet of radios. It has also become an invaluable tool for two-way radio test and repair facilities.

Standard features on all C Plus Models are a programmable sounder, Taxi Bid, serial printer driver, RS232 output, emergency acknowledgement and programmable open collector outputs. Other options for the C Plus are a 4000 ID database for its 27-character alpha-numeric display, Tone Remote, a 19″ rack mount kit and encode in MDC-1200, Kenwood’s FleetSync or GE-STAR.

The C Plus comes in 4 different models to best handle your needs and budget. Cimarron Decoders are compatible with Orbacom, Moducom, CML and Zetron Consoles. As with other Cimarron ANI products the C Plus comes with a 3-year warranty and free software.

Ritron rolls out Quick Talk

Ritron Inc. introduces the new Quick Talk vS Long Range Wireless Vehicle Detection Sensor System that provides 24/7 wireless vehicle detection.

The Quick Talk vS senses any approaching vehicle…cars, trucks, motorcycles, ATV’s, golf carts, even bicycles within a 24′ detection zone…and instantly transmits your pre-recorded voice message alert over your 2-way radio system up to a mile away. Since the vS talks to your two-way radio it allows mobile monitoring anywhere within range of the transmitter. It even works through radio repeater systems for miles, not feet, of extended long-range.

The Quick Talk vS system is comprised of an integrated battery powered radio transmitter with voice storage capability and a vehicle sensor (magnetometer). The sensor detects changes in the earth’s magnetic field caused by moving ferrous metal. The larger the steel or iron mass and the faster the movement of the mass, the greater the detection range up to a 24′ maximum.

No trenching or wires to run because the Quick Talk vS is battery-powered and wireless. The custom voice messages, transmit frequency, coded signaling, message repeat schedules, and other options are all field-programmable using a standard dial-pulse telephone. The Quick Talk vS will transmit 7,000 messages before the batteries need to be replaced. It even sends a low-battery voice alert message when the 6 AA batteries need to be replaced.

The Quick Talk vS enhanced security system, available in VHF, UHF, and UHF LTR/PassPort Trunking models, is ideal for business, industry, and government applications.

Application examples include:

  • Government/military — monitor restricted access at high security areas such as, military bases and border crossing.
  • Warehouses/stationary assets — oil/chemical storage facilities, farm/construction equipment, remote buildings or sites will be protected.
  • Schools/factories/retail stores — alerts personnel that a vehicle has approached a rear entrance, loading dock, or pick-up area.
  • Police/security — surveillance of sites prone to theft and/or vandalism.
    www.ritron.com

Samtec announces Final Inch

Samtec simplifies use of high speed connectors by extending the concept of recommended PCB pad layouts and SPICE models beyond the connector and board interface. Samtec FINAL INCH reference designs address one of the most difficult design issues on the board, the trace breakout region around high speed connectors. These copyrighted and patent-pending designs save customers design, development and validation time and resources.

FINAL INCH Information has three components: Physical Models, Electrical Models and Test Evaluation Kits. Downloadable art files of designs in Gerber and .dxf formats are based on real-world materials and processes and can be cut and pasted into standard board layout software packages. SPICE models beyond the connector further out onto the board provide real world performance expectations. And finally, FINAL INCH Test and Evaluation boards allow testing by the customer of the complete design. Samtec will also supply Empirical Signal Integrity data to validate the electrical system performance.

Samtec Signal Integrity engineers have developed FINAL INCH trace routings to balance electrical performance with manufacturability and cost. Test boards are designed to study connector, footprint, breakout region and traces in an actual application environment using standard materials and manufacturing processes.
www.samtec.com

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