New Products

HDSL tester Model 401 HDSL tester qualifies cable pairs used to carry HDSL and verifies proper digital transmission over wideband analog. The hand-held, battery-operated tester includes a touch screen display and can be switched from a T-1 tester to a wideband analog transmission impairment measurement set. Ameritec Corp.

Reader Service Card No. 170

Test set software New software for the 1900 CSA test set addresses testing requirements in Revision A of the IS-136 specification. New capabilities include decoding and simulation of TDMA message types, enhanced base station testing transmit, commands for displaying base station and handset adjacent power ratios, analog voice channel to algebraic code excited linear prediction digital traffic channel handoff testing and analog control channel to ACELP digital traffic channel call setup testing. IFR Systems Inc.

Reader Service Card No. 171

Bulk power front end TNE bulk power front ends feature 24 VDC at 350 W or 48 VDC at 400 W output, power factor corrected input and hot-swap replacement. They feature active current sharing circuitry to give multiples of 350 or 400 W output in either N+1 redundant or non-redundant operation and have a 0.99 power factor. Input has a universal range of 85 to 264 VAC and Class B EMI input filter. Other features include 1% load regulation, 0.2% line regulation, remote sensing, overvoltage protection, inrush current limiting and thermal protection. Pricing starts at $330 in OEM quantities. Unipower Corp.

Reader Service Card No. 172

Remote I/O terminal block The RIO terminal block module features a building block concept for remote bus interface and distributed intelligence. A terminal block base module with a selectable bus dependent, plug-in electronic module, RIO is compatible with Profibus-DP, Interbus and WorldFIP. Terminal strips on the terminal block module support two or three wire field devices. Each electronic bus module includes eight digital inputs and outputs, with expansion up to 16. Entrelec Inc.

Reader Service Card No. 173

RF voltmeter Model 9230 RF voltmeters measure voltage over the 10 Hz to 2.5 GHz frequency range. It can measure voltage from 200 microV to 10 V. The LCD simultaneously shows bar graphs of data from both channels. Users can change the voltage display. A GPIB standard interface allows remote operation of all front panel controls except the line switch. The dual-channel model is $3950. Boonton Electronics Corp.

Reader Service Card No. 174

Hand-held PDH tester The SunSet PDH test set provides hand-held Nx64K, 2.05 Mb/s to 139 Mb/s transmission, GSM/TRAU, DTMF/MFC dialing and emulation signaling test capabilities for the ITU PDH hierarchy of circuits and services. It offers structured testing in combinations of 2, 8, 34 and 139 Mb/s interfaces. Sunrise Telecom

Reader Service Card No. 175

Wireless test platform The MP2700 platform for multipath fading emulators tests third generation mobile and base station equipment for IMT-2000, W-CDMA and digital TV applications. The multipath fading emulator system simulates one or two wireless communication channels with propagation over up to 24 simulated signal paths. Output power is adjustable from 0 to -120 dBm in 0.1 dB increments. WTCom

Reader Service Card No. 176

Vector-network analyzers The HP 8712ES and 8714ES network analyzers measure the S-parameters of linear devices over frequency ranges of 300 kHz to 1.3 GHz and 300 kHz to 3 GHz, respectively. Users can measure forward and reverse parameters with one connection to test ports. The analyzers offer two-port calibration, frequency and power sweeps and measurements for device characterization. Prices start at $9750. Hewlett-Packard Co. Reader Service Card No. 177