Products/Services for 200 Ohm Ssb Crystal Filters

  • Crystal Filters-Image
    Crystal Filters - (53 companies)
    Crystal filters are electronic filters that use monolithic crystals. They are used in all kinds of electronic and radio communication devices. A monolithic crystal filter uses one large crystal rather than an array of several discrete crystals...
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  • Crystals-Image
    Crystals - (468 companies)
    Crystals are naturally occurring materials that can be induced to resonate (vibrate) at an exact frequency. Quartz, a piezoelectric crystal that provides excellent mechanical and electrical stability, acquires a charge when compressed, twisted...
  • Optical Crystals-Image
    Optical Crystals - (189 companies)
    Optical crystals are transparent in different spectral regions, depending upon the crystal material. They include nonlinear, photorefractive crystals, and laser crystals ' acousto-optic and electro-optic combinations; X-ray analysis...
  • RF Filters and Microwave Filters-Image
    RF Filters and Microwave Filters - (491 companies)
    ...circuits that pass signals from a specific frequency band and reject signals from out-of-band frequencies. Examples of bandpass filters include surface acoustic wave (SAW) filters, crystal filters, and cavity filters. Band reject filters (bandstop...
  • Liquid Crystal Display (LCD) Modules-Image
    Liquid Crystal Display (LCD) Modules - (664 companies)
    Liquid crystal display (LCD) modules are used at the component level in place of less efficient displays such as cathode ray tubes (CRTs). These modules do not include housing and must be incorporated into a larger instrument or system. Liquid...
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    Camera Filters - (37 companies)
    Camera filters provide a range of optical filtering effects in scientific, research, and industrial applications. How to Select Camera Filters. Linear Polarizer Filters | Color Correction Filters | Neutral Density. Image Credit: Edmund Optics | Sony...
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    EMI Filters and RFI Filters - (436 companies)
    Electromagnetic (EMI) filters and radio frequency interference (RFI) filters purify signals of unwanted noise by attenuating the high-frequency RFI (typically 150kHz and up) and passing the low frequency EMI. Electromagnetic interference (EMI...
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    HEPA Filters and ULPA Filters - (155 companies)
    High-efficiency particulate air (HEPA) filters and ultra-low particulate air (ULPA) filters are designed to screen particles larger than 0.3 um High efficiency particulate air (HEPA) filters and ultra-low particulate air (ULPA) filters are air...
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    RF Band Pass Filters - (170 companies)
    RF band pass filters are active or passive circuits that pass signals from a specific frequency band and reject signals from out-of-band frequencies. Surface acoustic wave (SAW) filters, crystal filters, and cavity filters are types of band pass...
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    UV Filters - (47 companies)
    Ultraviolet (UV) filters are optical filters which can be used to filter light in the ultraviolet part of the spectrum. These filters reduce haziness that can be created by the presence of ultraviolet light. UV filters appear clear and neutral...

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  • HF Radio Systems and Circuits
    The source and load re- sistances are 2000 ohms shunted with a 30-pF capacitor. .... The insertion loss of the filter is 1.5 dB. .... Disc-wire mechanical filters are remarkably free of spurious responses in the stopband, compared with crystal filters. .... The SSB torsional mechanical filters do not use input or output tuning in- ductors internally or externally. .... Nevertheless, the spurious responses 200 kHz on either side of the passband are attenuated below -60 dB…
  • Image Recovery Millimeter-Wave Mixer
    The diode crystal is soldered to a coaxial RF choke that rejects the RF. .... The circuit was computed for the 3.7-4.2 GHz band, assuming a dynamic re- sistance of 200 Ohm for the diode. .... IMAGE FILTER The image filter is a circular waveguide section with reduced diameter (2.3 mm). .... RESULTS The following values have been achieved: SSB conversion los s (including highpass filter and IF matching…
  • Low-Noise Cooled Planar Schottky Diode Receivers for Ground-Based Spectral Ozone Measurements at 142 GHz
    …of the mixer, so that a 7- section quarter-wavelength stripline low-pass filter (LPF) was formed … the copper strip end (the diode was 0.5 mm long and its crystal was 0.18 .... The IF output impedance of the diode Zd was matched to the 50 Ohm IF amplifier input .... It was suggested that Zd = 200 Ohm when determining the L1 value and the LPF stripline width. .... The measurements were done both in DSB and two SSB modes which were selected by tuning the…
  • Managing Spurious Noise in Complex Microwave Assemblies
    Calculate for a 1000 ohm resistor. .... When using resistors in bias networks or RC filter networks keep this in mind because large value .... It is not uncommon to find families of regulators that have 200 -300nV/√Hz. .... calcultions for oscillator blocks the have frequency/volt deviation sensitivities such as VCO or crystal oscillator pushing and .... Find SSB spurious.
  • SSB Receiving and Transmitting Equipment for Point-to-Point Service on HF Radio Circuits
    Input impedance of the amplifiers is normally 200 ohms balanced, but this may be converted to 50 ohms unbalanced by connecting one of the input leads, on each output, to the center tap of its respective input coil. .... In operation, a selected harmonic of the crystal oscillator is mixed with the output of the slave .... From Phone Combiner Fig. 1-Simplified block diagram of dual-diversity SSB -R3 receiver. .... to 1100 kc or vice versa, for the purpose of interchanging sidebands at the sideband filter inputs.
  • Improvement of the noise figure of the CEBAF switched electrode electronics BPM system
    …27 is a result of the sum of four numbers: -10 log 50 ohms ; -10 log kT .... Three changes were mnde to improve the noise characteristics of the system: the 1 MHz BW @ 45 MHz LC filter was changed to a 50 kHz BW @ 45 MHz crystal filter; the 860 kHz 1ow pass filter was changed to … 97 dBm to -27 dBm, which equates to an intensity range of 70 nA to 200 gA. .... increase of 5 dB vice the 3 dB that is exmcted from an SSB down conversion with…
  • A Multichannel Single-Sideband Radio Transmitter
    It also means that the transmitter adjustments will accommodate two 100- ohm coaxial lines connected as a … transmitter of similar type.3 Har- monic radiation has been found to be less than 200 mw. .... Klenk, Munn, and Nedelka: Multichannel SSB Transmitter. .... The sideband outputs are filtered by sharply selective band-pass quartz- crystal filters.
  • Theory, Analysis and Design of RF Interferometric Sensors
    …the Doppler frequency of +1 Hz, with the same condition of fs ¼ 200 kHz, N ¼ .... The band-pass filter is a coupled-line filter. .... crystal oscillator used as a frequency standard. .... A direct quadrature modulator (RFMD, RF2422) was used to generate a single sideband ( SSB ) signal that shifted .... 100 Ohm Test Pattern Texas A&M University h=10mil 15 OCT, 01 Seoktae Kim .
  • The PAR Meter: Characteristics of a New Voiceband Rating System
    a 200 -MSpulse at 253 Hz. .... pulse to obtain a bilateral pulse of 126.5 Hz delivered to the filter , shown on Fig … wave- form envelope is shaped properly at thefilter output and ideal single-sideband ( SSB ) demodulation would not .... 126 5 Hz S O U A R E WAVE CRYSTAL . .... OHMS .
  • Oscillator Design and Computer Simulation
    Higher unloaded Qs allow designs with higher loaded Q. Cavities, SAWs, DSOs, and crystals have high unloaded .... An unbypassed emitter resistance of 10 to 30 ohms may reduce flicker noise by as much as .... Otherwise, how could narrow filters (high loaded Q). .... The SSB phase noise versus offset frequency for several different types of oscillators is given in Figure .... 200 .