Aethercomm introduces the SSPA 0.925-0.960-100, a high-power, extended-band GSM single-channel amplifier. This model covers the 925 to 960 MHz GSM band and features a 1 dB compression point of 51 dBm with 34 dB of gain. Input and output VSWR are <1.5:1 and the operational voltage is 28 VDC. It offers a minimum of 32% efficiency over the operating temperature range of -10° C to 60° C. The gain variation over temperature is <±0.5 dB with temperature compensation. Gain variation over frequency is typically ±0.2 dB and reverse IMD is 90 dBc. Transmit noise figure is typically 10 dB and harmonics are typically <40 dBc. The SSPA can operate from -40° C to +85° C. Standard features include temperature compensation, 30 dB dynamic range forward power sensor, reverse power monitor, temperature monitoring, and output open/short circuit protection. This unit may be packaged in any enclosure that can be installed in a 19-inch rack mounted system. Typical sizing is 5" H × 13" L × 2" W. The SSPA can be resized with no loss in performance.
Aethercomm
INFO/CARD 134

• Single-channel GSM SSPA
• P1dB = 51 dBm
• 35 dB gain ± 1.0 dB
• ± 0.2 dB gain variation

The CMM3566-LC W-CDMA power amplifier is designed for wireless data transmission at 3.5 GHz. The part is manufactured in a miniature, 4 mm square, leadless chip carrier package. It is intended for use in subscriber units and base stations that operate in the 3.45 GHz to 3.5 GHz frequency range. Typical features include operation at 7 VDC, 30 dB gain at operating output, and +24 dBm linear output power. The amplifier is packaged in a low-cost and space-efficient LCC-8 plastic package measuring 4 mm × 4 mm × 1.8 mm.
Celeritek
INFO/CARD 135

Venkel introduces a line of low-value multilayer chip inductors dubbed the LMCI series. These multilayer chip inductors offer low inductance and an operating temperature range of -40° C to +85° C. Additionally, the devices feature monolithic structure for enhanced reliability and excellent solderability for either flow or reflow soldering. Well-suited for high-frequency applications, they are available in size 0603 with inductance from 1.2 nH to 100 nH and in size 0805 with inductance ranging from 1.5 nH to 470 nH. Venkel also introduces the MRFI wire-wound type RF chip inductors, which are compact and provide Q values at high frequencies. These MRFI inductors provide higher SRFs, giving them a stable performance. All styles are offered in standard EIA sizes.
Venkel
INFO/CARD 136

Seacor introduces KP-44 polypropylene film-foil capacitors that feature high insulation resistance and high pulse handling capabilities along with low dissipation factors and capacity as low as 47 pF. These devices replace polystyrene and polycarbonate units and offer capacitance values ranging from 47 pF to 0.22 μF. Operating voltages are from 160 to 1,000 VDC. The dv/dt is 1,000 V/ms. and tolerances are as low as ±1%.
Seacor
INFO/CARD 137

The series SPD73 and SPD74 shielded surface-mount power inductors offer 30 inductance values ranging from 1.2 mH to 1,000 mH. Resistance values are as low as 20 mΩ, and current ratings are up to 8 A. Both series are constructed using a ferrite bobbin core and matching ferrite sleeve. The SPD73 is 7.3 mm × 3.9 mm, and the SPD74 is 7.3 mm × 4.7 mm. Inductors are supplied on tape and reel.
API Delevan
INFO CARD 138

Hittite Microwave introduces the HMC310MS8G, a multifunctional RFIC that incorporates a power amplifier (PA) and a low-noise amplifier (LNA) with a transmit/receive switch for 2.4 GHz applications including Bluetooth, HomeRF, and low-power WLAN radios. The RFIC meets the Bluetooth Class 2 and 3 requirements when used in conjunction with 2.4 GHz ASICs. This low-current transceiver requires no external circuitry to operate the amplifier power down features.
Hittite Microwave
INFO/CARD 139

UltraRF introduces a diffused metal oxide silicon (LDMOS) RF power transistor. The UPF21090 is specifically designed for basestations in universal mobile telecommunications systems (UMTS) operating at 2.1 to 2.2 GHz. The device can be used as a high-power wideband code division multiple access RF power amplifier operating in Class A or AB. The device operates at 28 VDC with a broadband RF output power rating of 90 W. Fabricated using UltraGold II LDMOS technology, the discrete transistor features industry-standard packaging and an all-gold metal system for high reliability. The device has compatible source and load impedance and can be dropped into existing power amplifier designs with little or no circuit-matching changes.
Ultra RF
INFO/CARD 140

The AD8302 is Analog Devices' latest addition to its range of wireless RF/IF ICs for the cellular basestation market. It enables design engineers to build into their products a simple diagnostic and calibration circuit to monitor system performance and diagnose signal purity. The RFIC provides system-level performance in a single monolithic IC by simultaneously performing independent gain and phase measurements between two RF or IF input signals. The device measures the precise amplitude difference between the two input signals over 60 dB dynamic range, scaled to provide the user with a 30mV/dB output. The phase measurement range extends to 180 degrees and provides the user with a 10mV/degree output scaling. The device integrates two wideband logarithmic amplifiers, a wideband linear multiplier/phase detector, precision 1.8 VDC reference source and analog scaling and interface circuitry, running off a single 2.7 - 5.5 VDC supply.
Analog Devices
INFO/CARD 141

The new RF2483 multiband, direct-quadrature modulator IC features a low noise floor and includes gain control. The IC exhibits carrier and sideband suppression, typically greater than 40 dBc at maximum gain, while maintaining 50 MHz input bandwidth and output IP3 of +19 dBm. The device has a 35 dB gain control function, which helps the system's designer manage gain, noise and distortion budgets in the transmit path. Other features include a 2.7 V power supply and 700 to 1,000/1,700 to 2,200 MHz output frequency range.
RF Micro Devices
INFO/CARD 142

Peregrine Semiconductor introduces two new products targeted at cellular and PCS basestations, LMDS and MMDS broadband wireless access systems, wireless local loop systems, and terrestrial satellite systems. The PE3339 and PE3340 are low-noise, Integer-N PLLs capable of frequency synthesis up to 3.0 GHz. An external prescaler is not required to operate these phase locked loop (PLL) ICs for many applications where the desired local oscillator (LO) is between 2.2 and 3.0 GHz.
Peregrine Semiconductor
INFO/CARD 143

Micro Networks introduces a series of voltage-controlled SAW oscillators (VCSOs) directed at telecommunications applications. The M600 series of VCSOs features low phase noise and jitter over a frequency range of 300 MHz to 900 MHz. These devices are well-suited for phase-locked loop applications, as well as for clock and data recovery and clock smoothing circuits used in OC-12, OC-48 and OC-192 SONET/SDH systems. The devices are available in a 28-pin surface-mount package and offer an output disable feature that forces the output into a static condition, enabling an external clock to control the output frequency. Operating from a single +5 VDC supply, its differential outputs are 10K/100K PECL logic-compatible.
Micro Networks
INFO/CARD 144

The new CFPP one-time factory programmable oscillators are housed in an industry-standard 7 × 5 mm ceramic surface-mount package. They provide a readily available alternative to fixed-frequency components for a wide range of production applications, including telecommunications transmission systems and process equipment. The CFPP-72 series oscillators operate from a 5 VDC supply and cover the 1 to 133 MHz frequency range. The low-power CFPP-73 series takes a 3.3 VDC supply and offers frequencies up to 100 MHz. Both variants can be specified for operating temperature ranges from 0 to +70° C or from -40° to +85°C, with frequency stabilities down to ±50 ppm
C-MAC MicroTechnology
INFO/CARD 145

The model 4294 Quad Power PC board features four MPC7400s and offers high-speed interfaces including velocity interface mezzanine, peripheral component interconnect, RACEway, VME64 and Ethernet. The board is designed for OEMs and systems integrators requiring supercomputing performance for wireless local loop basestations, beam-forming basestations and other signal analysis tasks. The 6U VME board is based on the 450 MHz Motorola Power PC MPC7400 microprocessor with AltiVec technology.
Pentek
INFO/CARD 146

The SPT7853 is a triple 10-bit CMOS analog-to-digital converter (ADC). The converter provides designers with three ADCs in one 52-lead TQFP package. The ADC achieves low-noise performance at sample rates up to 30 MSPS. At video input frequencies (3.58 MHz), the dynamic performance of each ADC is 54.5 dB signal-to-noise and distortion for a typical 8.7 effective number of bits. Channel-to-channel cross talk is at least -66 dB, which results in no discernable channel-to-channel noise injection.
Signal Processing Technologies
INFO/CARD 147

Intersil introduces its latest addition to the CoInmLink~ family of software-defined radio (SDR) circuits. The 1SL5416, a quad-programmable downconverter (quad-PDC), specifically targets 3G wireless protocols. Its filter configuration allows the integration of four discrete wideband channels in a single circuit, and it includes all the necessary post processing functions to complete the entire channelization process.
Intersil
INFO/CARD 148

Wi-LAN has launched the AWE 120-58, 12-Mb/s advanced wireless Ethernet bridge for use in the 5.8 GHz unlicensed frequency band. The AWE 120-58 and AWE 120-24 (formerly Hopper Plus 120-24) advanced wireless Ethernet bridges are suitable for broadband wireless access service providers looking to offer high-speed Internet access. Both products support point-to-multipoint, point-to-point, and backhaul applications and are based on patented multi-code direct sequence spread spectrum (MC-DSSS) technology.
Wi-LAN
INFO/CARD 149

Metawave announces the commercial availability of SpotLight 2200. The dual-band feature of the antenna allows operators to use a single antenna array to carry both 800 MHz CDMA and 1900 MHz PCS services. The dual-band antenna option reduces antenna loading and zoning delays. Metawave is also developing a smart antenna interface to PCS base stations. The PCS version will work with an operator's PCS base station to boost network capacity and improve network performance metrics. The PCS smart antenna systemsupports the IS-95, 1XRTT and 1XEV CDMA air interfaces.
Metawave
INFO/CARD 150

Sawtek's new GPS RF SAW filters offer location-based product providers with SAW filters that provide greater than 50 dB typical attenuation over the 1.648 to 1.920 GHz range. Sawtek also delivers low insertion loss, -1.3 dB typical, in a package 94% smaller than the ceramic alternative.
Sawtek
INFO/CARD 151

The recently introduced W1807D compact PCS diplexer from Wireless Technologies is designed for use in the A, B and C PCS bands. The diplexer features low insertion loss (less than 1 dB) over the PCS band (1.850/1.910 GHz and 1.930/1.970 GHz) with a transmit/receive isolation greater than 70 dB. The return loss is less than 18 dB and its compact footprint, 2" × 2" × 6", allows applications in microcells, repeaters, extenders and bi-directional amplifier systems. The diplexer is suitable for tower-mounting applications with a power rating of up to 40 W using SMA connectors. The IMD is better than -130 dBc.
Wireless Technologies
INFO/CARD 152

Mini-Circuits introduces the ADP-2-1, a low-profile, two-way-0° power splitter/combiner with 0.5 MHz to 400 MHz frequency range. Engineered and packaged in a 0.155" water-washable package, this device exhibits low 0.3 dB insertion loss (above 30 dB), 0.10 dB amplitude unbalance and a good 0.5° phase unbalance. It is suitable for instrumentation applications in 50Ω systems.
Mini-Circuits
INFO/CARD 153

Krytar introduces the model 202050010 broadband directional coupler for operation in the frequency range from 1 GHz to 40 GHz. Nominal coupling is 13 ±1 dB with frequency sensitivity of ±1.2 dB. Minimum directivity is 14 dB from 1 to 20 GHz and 10 dB from 20 to 40 GHz. Maximum VSWR is 1.5:1 and 1.7:1, respectively. Insertion loss is less than 1.1 dB 1.8 dB. Couplers are available with a choice of 2.4 mm or K female connectors.
Krytar
INFO/CARD 154

RangeStar Wireless debutes a quad-band, embedded antenna for notebook applications. The antenna can be mounted on a notebook's hinge and supports GPRS, Bluetooth and 802.11A unlicensed applications. The antenna supports vertical and horizontal polarization and provides hemispherical coverage. It offers a peak gain of +1 dBi in the 900 MHz band, +0 dBi in the 1.8 GHz band, and +3 dBi in the 2.4 GHz and 5.2 GHz band.
RangeStar Wireless
INFO/CARD 155

KOA Speer introduces the LFA series of tapped filter networks for the suppression of EMI/RFI noise. These components are designed to filter out the high-frequency content of digital signals and are commonly used in I/O ports and other high-frequency/high-speed applications. The networks are housed in a low-profile, 20-pin QSOP containter. Each network has a resistance range of 10Ω to 10 kΩ and a capacitance range of 10 pF to 220 pF. Resistance tolerances are ±5%, ±10% and ±20%, and capacitance tolerances are ±10% and ±20%. The TCR is ±250 ppm/°C. Body style options include wide SOIC, QSOP, TSSOP and 0.6, 0.5 or 0.4 mm die packs.
KOA Speer
INFO/CARD 156

The Telefunken Miniflat four-pin optocouplers feature a 2 mm height profile. They consist of a photo transistor optically coupled to a GaAs infrared-emitting diode. Intended for current isolation, the eight new TCMT11 optocouplers are for miniaturized products such as PCMCIA cards, notebook modems, telecommunications products, programmable logic controllers and other designs requiring a high level of package integration. They provide an insulation voltage of 3,750 Vrms, and feature a transistor output and a forward current of 60 mA.
Vishay Intertechnology
INFO/CARD 157

The MIC2775 low-voltage supervisor IC monitors power supplies as low as 1.5 VDC. Available in the Ittybitty SOT23-5 packaging, the IC features a choice of factory-programmed voltage options and ultra-low quiescent current. The quiescent power supply current is a portable-friendly 3.5 mA. Both an active-high and an active-low rest output are provided in addition to a manual reset input for a reset switch or for daisy-chaining onto existing power supervision circuitry.
Micrel Semiconductor
INFO/CARD 158

Compel Electronics announces the availability of its SMA connector series. Operating from DC to 18 GHz, the new line offers typical insertion loss of <0.06 dB and VSWR of <1.15:1 with 50Ω impedance. RF leakage typically measures <90 dB. Brass or stainless steel housings are available with gold, passivate or ternary alloy plating options. Designs are available to accommodate flexible, conformable and semi-rigid cable, PCB mount, and panel or bulkhead mounting. All styles are available in straight, angled and swept right-angle configurations.
Compel
INFO/CARD 159

Meller C-plane sapphire substrates can be custom-fabricated in sizes as small as 50 mm round and 31.75 mm square by 0.330 or 0.440 mm thick and flat to less than 5 mm. Featuring 0001 surface orientation, and less than 0.3 nm RA roughness, they are suitable for the epitaxial growth of GaN and other III-V and II-VI thin films used in the manufacture of bright blue and green LEDs. Supplied with either one or two sides polished, the substrates are also available for carrier applications where thin films of silicon or GaAs are polished on top of the wafer. These ultra-flat wafers are lapped to less than 0.5 fringes at HeNe and parallel from 20 to less than 5 arc-seconds with ±1.2mm piece-to-piece uniformity.
Venmark International
INFO/CARD 160

RSS    Save to Del.icio.us  Digg This