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SAW Filters in GPS Applications

June 1, 2001 5:04 am | Wireless Design & Development | Product Releases | Comments

Surface Acoustic Wave (SAW) filters provide improved environment for Global Positioning System (GPS) applications. Max Hasegwa, AVX Corporation Since the earliest days of civilization, man has sought to find a reliable way to determine accurate distances and exact position in relationship to other objects....

LISTED UNDER: Filters, IC | Ceramics

Miniature Diplexer filters UMTS Signals

April 30, 2001 6:15 am | Product Releases | Comments

The miniature "IMD free" W2446D diplexer is designed for video reception and transmission in the UMTS band. Standard 43 dBm input test signals produces less than -100 dBm of IMD signals. 60 MHz DCS/UMTS Bw, (2110-2170 MHz) Insertion loss is < 1 dB and return loss is better than -17 dB. Tx to Rx isolation > 65 dB....

LISTED UNDER: Filters, IC

SAW Filters

April 10, 2001 11:07 am | Product Releases | Comments

Vectron International (VI) has introduced new series of IF SAW Filters in a 3.8 mm x 3.8 mm package. Features include standard and custom designs, center frequencies from 200 up to 440 MHz, low insertion loss, Small group delay variation, miniaturized SMD packages (3.8 × 3.8 mm), and low temperature coefficient of frequency....

LISTED UNDER: Filters, IC
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Tunable Bandpass Filters

April 10, 2001 10:57 am | Product Releases | Comments

Trilithic's VF Series tunable bandpass filters are available in single-octave bandwidths from 3 to 4000 MHz. Standard models are five sections and have a 3 dB bandwidth of 5% ± 1%. Bandwidths between 1 and 12% are available. Options include 50 or 75 ohm impedance and manual or software control....

LISTED UNDER: Filters, IC

Delay Line Filters

April 10, 2001 10:56 am | Product Releases | Comments

Delay Line Filters are an integral part of RF Power Amplifier feed forward chains. Trans Tech offers Delay Line filters in the 3 to 20 nanosecond range for the low power (less than 3 W) path. Phase linearity of 2 degrees and amplitude variation as low as 0.2 dB is achieved with a new SMT (surface mount) package....

LISTED UNDER: Filters, IC

Lowpass Filters

April 10, 2001 10:37 am | Product Releases | Comments

RLC Electronics' fourth order Bessel Lowpass Filters combine group delay characteristics with rejection characteristics. Maximally flat group delay in the frequency domain is accomplished with the Bessel polynomial, also known as the Thomson Filter. These filters should be regarded as compromise designs for pulsed systems where truthful reproduction of the pulse shape is important....

LISTED UNDER: Filters, IC

LC Filters For LMDS CPE

April 10, 2001 10:28 am | Product Releases | Comments

Piezo Technology introduces models 8631 and 8632 LC Filters for the Customer Premise Equipment (CPE) transceiver element of the LMDS/MMDS wireless network. The filters are packaged as was proof true SMT devices that will completely support fully automated assembly operations. In general, the transmit path filters feature center frequencies in the 450 MHz to 650 MHz range and the receive path filters center frequencies in the 1200 MHz to 1...

LISTED UNDER: Filters, IC

GPS Filters and Diplexers

April 10, 2001 10:20 am | Product Releases | Comments

Microwave Support Systems introduced a new series of GPS Filters and Diplexers covering the 1575 MHz and 1227 MHz bands. Features include typical mid band insertion loss of 0.8 dB, 1 dB bandwidth of 25 MHz, ± 50 MHz rejection of 35 dB, and ± 100 MHz rejection in excess of 60 dB. Standard configuration is TNC Female connectors....

LISTED UNDER: Filters, IC
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Monolithic Quartz Filters

April 10, 2001 8:34 am | Product Releases | Comments

The Fox Filter line is built around two-pole, monolithic quartz filters. Due to the inherent high "Q""of quartz, as well as its excellent frequency stability over wide temperature ranges, quartz filters are far superior to those built using ceramic devices and/or those using LC circuitry....

LISTED UNDER: Filters, IC

Dual Band 2-in-1 RF Filters

April 6, 2001 5:21 am | Product Releases | Comments

EPCOS announces the expansion of its line of "2-in-1" filters with a low-loss 2-in-1 RF Filter that outperforms its predecessor with a 38 percent reduction in size. As with other EPCOS 2-in-1 filters, this device combines two integrated SAW (Surface Acoustic Wave) filters in a single package, enabling designs for split-or dual-band filtering....

LISTED UNDER: Filters, IC

Absorptive Bessel Lowpass Filters

April 6, 2001 5:21 am | Product Releases | Comments

RLC Electronics' 4th Order Absorptive Bessel Filters provide the excellent group delay response of Bessel filters while maintaining impedance matching far into the stop band. Lossy elements are designed into these filters, resulting in a response that closely mimics the classic Bessel in both amplitude and phase....

LISTED UNDER: Filters, IC

Windowpane Air Filters

April 6, 2001 5:21 am | Product Releases | Comments

Universal Air Filter has introduced a new line of Windowpane Air Filters to meet the low-profile and edge-to-edge filter needs of wireless enclosure designers as they provide for electronics cooling. Windowpane Air Filters maintain necessary rigidity to keep their shape and stay in place with an innovative "frame-n-pane" design that integrates an aluminum or stainless steel frame and a series of crossing, reinforcing intermediates...

LISTED UNDER: Filters, IC

CDMA IF Filters

April 6, 2001 5:21 am | Product Releases | Comments

EPCOS announces the expansion of its CDMA IF filters to include CSSP technology. New offerings include 9 × 5 mm 2 CDMA IF filters at 85.38 MHz and 5 × 3 mm 2 CDMA IF filters at 210.38 MHz. GSM IF filters are also available for balanced and unbalanced operation. All feature high rejection and low amplitude ripple....

LISTED UNDER: Filters, IC

IEC-Inlet Filters

April 6, 2001 5:20 am | Product Releases | Comments

Schaffner EMC, Inc., has introduced a new series of compact high-performance IEC-inlet filters. The FN-9221 Series combines high power with compact dimensions for use in a wide range of applications. The new series of filters also offers significant cost savings over traditional devices. FN-9221 Series Filters have a current rating of 1 to 10 A, operating voltage of 250VAC, 50/60 Hz, operating frequency of DC to 400Hz, and are IEC 950-com...

LISTED UNDER: Filters, IC

RFI Noise Filters For Terminal Applications

March 2, 2001 10:14 am | Product Releases | Comments

Schaffner EMC has introduces 26 single-phase chassis-mounting RFI noise filters. The FN series of filters can be applied to a wide range of industrial and commercial systems, and to digital equipment with RFI emission problems such as industrial motors, controllers, pollution monitors, scales, automotive test equipment, commercial communications systems, processing systems, robotic systems, and audio/video recording systems....

LISTED UNDER: Filters, IC

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