SP2T Terminated Switch
The model SWN-218-2DT option NS is a single-pole, two-throw, terminated switch module that offers an insertion loss of 1.2 dB typical, high isolation of 80 dB minimum and an integral TTL driver. This switch is designed for ultra-low video transient, high power and operation between 3.1 to 3.5 GHz.
American Microwave Corp.,
Frederick, MD (301) 662-4700,
www.americanmicrowavecorp.com.
RF Capacitor
The SQ series is a porcelain and ceramic dielectric multilayer capacitor chip that offers a new internal construction. These chips are ideal for RF and microwave applications ranging from 10 MHz to 4.2 GHz, including microwave RF/IF amplifiers, mixers, oscillators, low noise amplifiers and filter networks. Available in 1210 and 0605 sizes with voltages up to 500 VDC, the SQ series offers good stability under the stresses of changing voltage, frequency, time and temperature. Price: $0.10 to $0.75. Delivery: stock to six weeks.
AVX Corp.,
Myrtle Beach, SC (843) 448-9411,
www.avx.com.
Coaxial Adapter Kit
The EI2205-KIT is an adapter kit that includes reverse polarity and standard coaxial adapters in BNC, TNC, SMA, N, MMCX, UHF and RCA. These adapters are made of brass/stainless steel with gold plating. The kit comes with 40 adapters. High precision adapter kits are also available up to 40 GHz. These kits were designed to solve the problem of quick interconnection that sometimes develops in wireless design and development, standard and reverse polarity type connectors that are used in various telecommunication systems.
Electronika International Inc.,
Cleveland, OH (440) 743-7034,
www.electronikainc.com.
Dual Reject Filter
The model BPF2G-10 is a dual reject filter that offers two passbands: one at 1995 to 2130 MHz with rejection 1) at 1980 MHz and 2150 MHz: 10 dB minimum, 2) at 1950 MHz and 2180 MHz: 40 dB minimum, 3) at 1850 MHz and 2300 MHz: 60 dB minimum. Insertion loss is 0.9 dB maximum. The second passband is 2450 to 2494 MHz with rejection 1) at 2445 MHz and 2500 MHz: 10 dB minimum, 2) at 2420 MHz and 2540 MHz: 40 dB minimum. Insertion loss is 1.5 dB maximum. These filters operate in a temperature range from –30° to +50°C. Size: 4.640" × 4.570" × 1.28".
Filtel Microwave Inc.,
Ottawa, ON, Canada (613) 731-5882,
www.filtel.com.
Co-location Filter
The model 6FVSP-00078 is a co-location filter that is designed to minimize the interference between co-located Inmarsat and Iridium systems. Locations such as ships and aircraft have space at a premium creating interference between these two systems. This co-location filter has low insertion loss in the Iridium band while providing 40 dB of rejection in the adjacent Inmarsat transmission band. Independent tests have indicated that utilizing the company’s filter reduces the required antennae spacing for acceptable operation of both systems from as much as 700 m to as few as 1 m, depending on application.
K&L Microwave,
Salisbury, MD (410) 749-2424,
www.klmicrowave.com.
DPDT Switch
The model MASWSS0184 is an RoHS-compliant DPDT switch that maximizes system linearity performance while reducing DC power consumption. This high power switch is designed for 802.16 (WiMAX) and MESH network applications that require high power handling at P1dB of 40 dBm, low typical insertion loss of 1 dB and a high isolation of 30 dB. Typical applications for this product include two antenna solutions requiring diversity switching in linear systems, thus connecting the receiver and transmitter to both antennas. Size: 3 × 3 mm. Price: $2.25 (10,000).
M/A-COM Inc.,
Lowell, MA (800) 366-2266,
www.macom.com.
High Power Splitter/Combiners
The VXL series of high power, 0° splitter/combiners are available in two-, three- and four-way configurations, and operate from 800 through 2500 MHz. This series exhibits low VSWR, high isolation and can handle up to 50 W CW of power. Delivery: stock to two weeks.
Vista RF Inc.,
Roseville, CA (916) 529-4799,
www.vistarf.com.
Hybrid Band Reject Filter
The model 6BRX-1575/X20-S is a hybrid band reject filter with bi-directional inputs. This filter features 65 dB of notch depth attenuation from 1565 to 1585 MHz. The typical 3 dB bandwidth is 150 MHz. The VSWR is 2.0 from DC to 2900 MHz excluding the notch area. Size: 1.50 × 0.750 × 0.40 excluding SMA female connectors.
Lorch Microwave,
Salisbury, MD (410) 860-5100,
www.lorch.com.
Directional Couplers
These directional couplers provide a convenient and accurate means for sampling microwave energy, which is ideally suited for monitoring incident and reflected power. Directional couplers are offered in octave, broadband and high power models (100 W model shown). A wide range of dB values are available in many frequencies. SMA and N connectors are standard. Most items are in stock and ready for immediate delivery.
Microwave Communications
Laboratories Inc.,
Saint Petersburg, FL (727) 344-6254,
www.mcli.com.
Low Pass Filters
The LFTC series of low pass filters operate in a frequency range from DC to 5400 MHz. The filters can handle more than 10 W and cover cut-off frequencies up to 6 GHz. This series is ideal for applications dealing with rejection of harmonics, intermods and avoiding unwanted signals from creeping into the system. Size: 0.15" × 0.15" × 0.028". Price: $3.75 each (Qty. 10–49).
Mini-Circuits,
Brooklyn, NY (718) 934-4500,
www.minicircuits.com.
Seven-channel Switch Filter Bank
The model 7SFB-0R258R3-5-15-SFF is a switch filter bank that features seven bandpass filter channels within the 0.25 to 8.30 GHz frequency range and maintains > 60 dBc rejection up to 20 GHz. Passband insertion loss is better than 5 dB. Switching speed is 0.8 ms maximum. The unit operates from +5 and –12 VDC supplies. Size: 2.6" × 2.5" × 0.41".
Planar Filter Co.,
Frederick, MD (301) 662-5019,
www.planarfilter.com.
Quadrature Hybrid
The model QC-052-YR3 is a 3 dB quadrature hybrid that when a signal is applied to any port the hybrid will split that signal equally between the ports on the side away from the input with the port adjacent to and on the same side as the input port remaining isolated. The direct port and the coupled port will be 90° out of phase. This hybrid/coupler operates in a frequency range from 0.5 to 2 GHz. Size: 1.45" × 0.75" × 0.22" and the SMA connectors are removable for surface-mounting the hybrid.
Planar Monolithics Industries Inc., Frederick, MD (301) 631-1579,
www.planarmonolithics.com.
End Launch Connectors
These end launch connectors are now available with SMA (27+ GHz), 2.92 mm (40+ GHz) and 2.40 mm (50+ GHz) male or female connectors. The connectors are shipped fully assembled. These connectors attach to boards using only two through holes and are intended for multi-layer boards with coplanar waveguide, but are also suitable for thinner microstrip boards. The connectors also offer low VSWR.
Southwest Microwave Inc.,
Tempe, AZ (480) 783-0201,
www.southwestmicrowave.com.
Wideband Miniature Filter
The model 5BM-3.0G-2.0G-SX11 is a wideband miniature filter centered at 3 GHz with a minimum 1 dB passband of 2 to 4 GHz. This filter offers 0.8 dB of insertion loss, a VSWR of 2:1 (max.) and 40 dB of attenuation at 1 GHz and 5 to 10 GHz. This model is available with SMA or PIN connections. Size: 0.38" × 0.38" × 1.5".
Reactel Inc.,
Gaithersburg, MD (301) 519-3660,
www.reactel.com.
Surface-mount Isolators/Circulators
The SLE series of low power surface-mount isolators/circulators operates from 380 to 2200 MHz. This device is miniature in size, which makes it a perfect fit for tomorrow’s telecom applications. This device is also available in a circulator version. Both versions are available in tape and reel format for high speed automated assembly. Models are available in typical bandwidths of 5 percent with isolation > 17 dB and insertion loss < 0.8 dB.
Renaissance Electronics Corp.,
Harvard, MA (978) 772-7774,
www.rec-usa.com.
In-phase Power Divider
The model SPC-PD2-CP-860 (PD2-860) is a high isolation, two-way, in-phase power divider with a minimum isolation of 40 dB. Power handing capability is 20 W. Operating frequency is from 800 to 950 MHz. Insertion loss is less than 0.5 dB, and amplitude and phase balance is less than 0.2 dB and 3 degrees, respectively. Impedance is 50 W. Connector type is SMA/Female, but other connector types are available. Size: 0.44" × 1.5" × 2". Delivery: two to four weeks.
SPECOL Inc.,
Landing, NJ (973) 770-3454,
www.specolinc.com.
Front-mount Bulkhead Jacks
The N series of front-mount bulkhead jacks is designed for RG-316, LMR-100, RG-188 and RG-174. These are robust connectors that operate from DC to 12.4 GHz. Typical applications include Fleet Management Systems, Wi-Fi, WiMAX and WLAN.
Lighthorse Technologies Inc.,
San Diego, CA (858) 292-8876,
www.rfconnector.com.
Amplifiers
High Power Amplifier
The model SSPA 1.2-1.4-500-RM is a high power, rack-mounted, L-band, solid-state power amplifier (PA) that operates over the 1215 to 1400 MHz L-band radar band. This rack-mounted PA was designed for high power L-band radar applications. The peak RF power is 55 dBm minimum. Power flatness across the entire band is ±0.5 dB typical. Minimum small-signal gain is 54 dB. Input VSWR is 2.0 maximum and output VSWR is 2.0 maximum. Noise figure is 10 dB maximum. Harmonics are –30 dBc maximum.
Aethercomm Inc.,
San Marcos, CA (760) 598-4340,
www.aethercomm.com.
High Power Amplifier
The model AMP2G18-20-27P is a broadband high power amplifier that operates in a frequency range from 2 to 18 GHz with a minimum of 20 dB gain. Gain flatness is better than ±1.75 dB with typical values of ±0.75 dB. This amplifier features a P1dB of at least +27 dBm and VSWR is typically better than 2.0. The AMP2G18-20-27P is equipped with SMA(f) input and output connectors and draws less than 750 mA in DC current. Input voltage is 12 V.
Amplical Corp.,
Verona, NJ (201) 919-2088,
www.amplical.com.
Broadband Amplifier
The model 800A3 is a broadband amplifier featuring a switchable transformer that allows users to select an output impedance to match the load tolerance. Model 800A3 drives loads without mismatch at 12.5, 25, 50, 100, 150, 200 and 400 W. This 800 W, 10 kHz to 3 MHz amplifier is ideal for applications that require high voltage and high impedance, such as chemistry, physics and ultrasonic cleaning. A modified version of the 800A3 allows users to select higher output impedances up to 2000 W.
AR Worldwide RF/Microwave Instrumentation,
Souderton, PA (215) 723-8181,
www.ar-worldwide.com.
High Power Amplifier
The model XP1017 is a gallium arsenide (GaAs) monolithic microwave integrated circuit (MMIC) two-stage high power amplifier that integrates an on-chip temperature-compensated output power detector. Using 0.15 micron gate length GaAs pseudomorphic high electron mobility transistor (PHEMT) device model technology, this device covers the 30 to 36 GHz frequency bands and delivers 33 dBm OIP3 and 16 dB small-signal gain. The balanced design and Lange couplers help achieve good input and output match. This amplifier is well suited for millimeter-wave point-to-point radio, LMDS and SATCOM applications.
Mimix Broadband Inc.,
Houston, TX (281) 988-4600,
www.mimixbroadband.com.
Low Noise Amplifier
The model LNA2-40DB-1.7DB is a low noise amplifier that offers 35 dB typical gain from 7 to 9 GHz. The gain flatness is better than ±1.5 dB, noise figure is < 2.5 dB and the OP1dB > 10 dBm. This amplifier offers an in/out VSWR of 2.0 maximum and the current is 150 mA at +12 VDC maximum. Up to 75 dB gain is available.
Planar Electronics Technology,
Frederick, MD (301) 662-5019,
www.planarelectronicstechnology.com.
GaN Power Amplifier
These GaN HEMT power amplifiers are designed for WiMAX manufacturers in the US, Europe, Canada and Korea. These transistors offer high power, high efficiency, high linearity, wide bandwidth, wide supply voltage and low cost at 2.7 W per 1 mm. The 2, 10, 20 W GaN HEMT power transistors are already in production and the OFDM 30 to 39 dBm, 20 to 40 dB gain hybrid power amplifiers and modules were just released for the 2.6 and 3.6 GHz WiMAX market.
RFHIC,
Suwon, Korea +82-31-250-5011,
www.rfhic.com.
Two-stage Drive Amplifier
The model AH212 is a high dynamic range, 1 W, two-stage drive amplifier, housed in a low cost SMT lead-free/green/RoHS-compliant SOIC-8 package. The InGaP/GaAs HBT is able to achieve good performance for various narrowband-tuned application circuits, featuring 25 dB gain, +46 dBm OIP3 and +30 dBm of compressed 1 dB power. This device operates over the 1800 to 2200 MHz frequency band and provides good in-band gain flatness.
WJ Communications Inc.,
San Jose, CA (408) 577-6200,
www.wj.com.
RF Power Amplifier
The model SM5759-37HS is a GaAs FET amplifier that is designed for various ISM band applications. The unit operates from 5.7 to 5.9 GHz with a P1dB of +37 dBm and an OIP3 of +50 dBm. Small-signal gain is 37 dB with a flatness of ±0.5 dB across the band. Standard features include a single +12 VDC supply, thermal protection with auto reset and over/reverse voltage protection. Size: 4.7" × 2" × 0.54".
Stealth Microwave Inc.,
Trenton, NJ (609) 538-8586,
www.stealthmicrowave.com.
Devices
P-band Transistors
The model 0910-60M, model 0910-150M and model 0910-300M are high power transistors that cover the frequency for P-band radar applications from 890 to 1000 MHz with a pulsed output power of 60, 150 and 300 W, respectively. These transistors are designed to handle medium pulse widths of 150 ms with a duty cycle of 5 percent minimum.
Advanced Power Technology RF,
Santa Clara, CA (408) 986-8031,
www.advancedpower.com.
Noise Diodes
The NW-diode series of broadband noise diodes offers a symmetrical white Gaussian noise voltage distribution while maintaining a flat power spectral density versus frequency response. This series covers the frequency range of 0.1 Hz to 11 GHz with high output ENR. The series is available in an axial leaded version for audio frequency applications, a low cost surface-mount version for higher frequency coverage and a ceramic package for high microwave frequency operation.
NoiseWave Corp.,
East Hanover, NJ (973) 386-1119,
www.noisewave.com.
Integrated Circuit
Ultrawideband Chipset
The WQST110 and WQST101 ultrawideband (UWB) chipset is a commercially-available, high performance silicon chipset that delivers wireless communication speeds up to one gigabit-per-second. This wireless CMOS integrated circuit combines a baseband PHY, MAC engine, high speed security processor, quality of service manager and a variety of host interfaces, all in one highly-integrated design. Designed to optimize the UWB system bill of materials, the WQST110 contains a complete high speed USB subsystem including controller and transceiver, removing any additional USB component cost. The WQST110 eliminates the need for expensive external memory, and the chip’s architecture provides good power control and management for longer battery life in mobile devices. This IC also implements a tightly-coupled interface with the WQST101 RF transceiver.
WiQuest Communications Inc.,
Allen, TX (214) 547-1600,
www.wiquest.com.
Sources
Voltage-controlled Oscillator
The model HMC588LC4B is a wideband HBT MMIC voltage-controlled oscillator (VCO) that operates in a frequency range from 8 to 12.5 GHz. This VCO incorporates the resonator, negative resistance device and varactor diode. This fully integrated MMIC VCO provides an output tuning range of 8 to 12.5 GHz, high output power of +5 dBm and low SSB phase noise of –93 dBc/Hz at 100 kHz offset. This VCO is ideal for industrial/medical test and measurement equipment, military communications, electronic warfare and electronic countermeasures applications.
Hittite Microwave Corp.,
Chelmsford, MA (978) 250-3343,
www.hittite.com.
Voltage-controlled Oscillator
The model V418ME03 is a high performance voltage-controlled oscillator that operates in a frequency range of 390 to 406 MHz within 0.5 to 4.5 VDC tuning range making it ideal for quick integration into PLLs where the error voltage can be taken directly from the IC’s charge pump circuitry. This compact performer exhibits a spectral purity of –119 dBc/Hz, typically, at 10 kHz from the carrier while preserving precious battery life. The V418ME03 consumes only 14 mA, typically, while operating from a 4.7 VDC supply. Size: 0.50" × 0.50" × 0.13". Delivery: stock to four weeks.
Z-Communications Inc.,
San Diego, CA (858) 621-2700,
www.zcomm.com.
Test Equipment
RF Design Kit
This radio frequency design methodology kit is targeted to address key challenges in wireless design. It leverages the latest technologies for intelligently managing parasitic extraction and linking system-level design with IC implementation, and accurately, yet rapidly, verifying complete wireless designs that span digital, analog and RF. The kit includes an 802.11 b/g WLAN transceiver reference design, a full suite of RF verification IP, test plans and applicability training on the RF design and analysis methodologies. It focuses on front-to-back RF IC design and addresses behavioral modeling, circuit simulation, layout, parasitic extraction and resimulation, and inductor synthesis.
Cadence Design Systems Ltd.,
Bracknell, UK +44 (0) 1344 360 333,
www.cadence-europe.com.
Bit Error Ratio Tester
The model N4903A is a high performance serial bit error ratio tester with advanced jitter generation capabilities for jitter-tolerance testing (J-BERT) of serial gigabit devices up to 12.5 Gb/s. This model provides a complete jitter-tolerance test solution for fast, high quality characterization of next generation serial devices. The next generation of high speed serial bus standards with data rates of 5 Gb/s and beyond is expected by 2006. The increasing speed will cause significant signal integrity and jitter issues during the design and test of next generation serial bus devices.
Agilent Technologies Inc.,
Palo Alto, CA (800) 829-4444,
www.agilent.com.
Handheld with HSDPA/WCDMA Capability
A High Speed Downlink Packet Access (HSDPA) testing capability for the UMTS Master MT8220A analyzer is claimed to make it the first portable handheld test instrument that can verify Node B transmitter performance — helping to ensure the successful deployment and installation of HSDPA mobile networks. When equipped with the HSDPA option, the analyzer can make all the measurements listed in the 3GPP specification for HSDPA base station performance testing. Field technicians and wireless engineers can quickly check base station performance using any of the three options: RF measurement, demodulation and over the air (OTA). All key RF measurements, including band spectrum, channel spectrum, spectral emission mask and ACLR, can now be made on HSDPA signals.
Anritsu Ltd.,
Luton, UK +44 (0)1582 433 433,
www.anritsu.com.
Calibration Kit
This line of (TNC) TNCA calibration kits fully comply with the interface requirements of MIL-STD-348A. These kits are mode free to 20 GHz and exhibit good performance. MIL-STD-348A is the direct replacement for the now obsolete MIL-C-39012 and is typically used by the US Armed Forces — Army, Navy and Marine Corps. TNCA is similar to the MIL-C-87104/2 “AFTNC” typically used by the Air Force. However, mating the TNCA male connector to the AFTNC female connector could result in a non-contacting condition or “gap” fit between outer conductors.
Maury Microwave Corp.,
Ontario, CA (909) 987-4715,
www.maurymw.com.
Grandmaster Clock
The XLi IEEE 1588 Grandmaster Clock with GPS reference is a protocol that enables accurate synchronization over Ethernet LANs and offers users the ability to synchronize clocks within better than one hundred nanoseconds accuracy, with only a network connection. The company’s first deployment of the IEEE 1588 protocol is in its versatile XLi GPS time and frequency system. IEEE 1588 enables sub-microsecond time-of-day synchronization between clocks over standard Ethernet LAN infrastructure. High accuracy time distributed over standard Ethernet LAN infrastructure offers benefits in the areas of cable infrastructure cost savings; improved accuracy for distributed measurements and processes; improved control system techniques; and leveraging the innovation/investment wave of network centric technology and solutions.
Symmetricom Inc.,
San Jose, CA (978) 927-8220,
www.symmttm.com.
EMF Measurement Option
The 9102 handheld spectrum analyzer with the 9131 EMF measurement option is an easy and lightweight test solution that allows network operators, broadcast stations, regulation authorities and engineering offices to test the actual radiation against defined limits. Several antennas for different purposes are optionally available and the analyzer includes all the control and calculation software without the need for an external computer. The electromagnetic field measurement can be displayed in volts per meter (V/m) and in watts per square meter (W/m2) over a frequency range from 100 kHz to 4 GHz.
Willtek Communications GmbH,
Ismaning, Germany +49 (0) 99641 200,
www.willtek.com.
WLAN Application Firmware
With the R&S FSL-K91 option, the company has developed a WLAN application firmware solution for the R&S FSL spectrum analyzer. It features an I/Q demodulation bandwidth of 20 MHz, a displayed average noise level of –152 dBm (1 Hz) and a total measurement uncertainty of under 0.5 dB. With the new option, the R&S FSL can now perform all spectrum and modulation measurements on signals in accordance with the IEEE 802.11 a/b/g/j WLAN standards. Thus, the compact, all-purpose analyzer fulfills the measurement requirements in the production of WLAN instruments.
Rohde & Schwarz GmbH & Co. KG,
Munich, Germany +49 89 4129-13779,
www.rohde-schwarz.com.
Noise Figure and Gain Test Set
The SNG series of noise figure and gain test sets are configured to provide automatic noise and gain measurement of amplifiers or receivers in the frequency range of 26.5 to 140 GHz in seven overlapping waveguide bands. These test sets combine high performance broadband solid-state noise sources with full waveguide band down converters (STS Series) extending the Agilent 8970A/B noise figure meters to the millimeter-wave frequency range. A signal generator with output frequencies from 8 to 20 GHz, such as an Agilent 8350B/83550A or 83751B is required by the down converter unit as an LO.
WiseWave Technologies Inc.,
Torrance, CA (310) 539-8882,
www.wisewave-inc.com.