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Phase-locked loop (PLL) frequency synthesizers are electronic devices that produce frequencies coherent to a reference frequency. Search by Specification | Learn More about PLL Frequency Synthesizers
IC phase-locked loops (PLL) are closed-loop frequency controls that are based on the phase difference between the input signal and the output signal of a controlled oscillator. Learn More about Phase-locked Loops (PLLs)
RF phase detectors and comparators are circuits or instruments that provide a DC output voltage proportional to the difference in phase between two RF signals. Search by Specification | Learn More about RF Phase Detectors and Comparators
Quadrature phase shift keying (QPSK) modulators and binary phase shift keying (BPSK) modulators are used to change certain characteristics (amplitude, frequency or phase) of a carrier signal in order to transmit information. The changes in the parameter(s) of the carrier are made in accordance with an information-bearing signal (modulation signal). Search by Specification | Learn More about QPSK Modulators and BPSK Modulators
Industrial mixers use a shaft, screw, blades, ribbons, impellers or propellers to mix industrial materials such as adhesives, chemicals, construction materials, minerals, coatings and paints. Search by Specification | Learn More about Industrial Mixers
Frequency-to-voltage converters accept a signal and convert its frequency to a corresponding analog voltage level. Search by Specification | Learn More about Frequency-to-Voltage Converters
RF phase shifters are twin-ported devices that alter the phase of an output signal in response to an external signal. Search by Specification | Learn More about RF Phase Shifters
I/Q modulators and I/Q demodulators change the amplitude, frequency, or phase of a carrier signal in order to transmit information. I/Q modulators split an incoming data stream into its in-phase (I) and quadrature (Q) components, mix the resulting signals with local oscillators that are 90º apart in phase, and then combine the outputs vectorially in a 0º mixer. Search by Specification | Learn More about I/Q Modulators and I/Q Demodulators
Planetary mixers have set of rotating blades that sweep off-axis to the drive motor within a tank. One blade scours the surface of the tank while the other disperses the mixture. Search by Specification | Learn More about Planetary Mixers
Industrial homogenizers are high-speed, high-shear mixers that reduce samples to a uniform-size through maceration, cutting, and blending. They are used to process liquids, slurries, or granular substances. Search by Specification | Learn More about Industrial Homogenizers
Industrial liquid handling pumps are classified in many different ways, and are distinguished by the media pumped and the fluid motive mechanism (dynamic or displacement). Search by Specification | Learn More about Industrial Liquid Handling Pumps
...as is the case with upconverters and downconverters. RF frequency converters perform their waveform functions using either of two main technology types: synthesized or crystal controlled. Synthesized converters use a synthesizer circuit (normally a PLL... Search by Specification | Learn More about RF Frequency Converters
PLL and DLL clock multiplication also allows designers to generate a high-speed internal clock for sampling data in digital signal processing (DSP) applications. In addition, PLLs and DLLs provide greater control over the clock frequencies used... Search by Specification | Learn More about Complex Programmable Logic Devices (CPLD)
...synthesizers feature a mix-filter-divide architecture and are used in some older electronic equipment. DDS frequency synthesizers create arbitrary waveforms digitally, from a single fixed-source frequency. Indirect or phase-locked loop (PLL... Search by Specification | Learn More about Frequency Synthesizers
Digital signal processors (DSPs) are specialized microprocessors designed specifically for digital signal processing, usually in real-time. DSPs can also be used to perform general-purpose computations, but are not optimized for this function. Search by Specification | Learn More about Digital Signal Processors (DSP)
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Plate Broadband Mounted High Power Amplifier MITEQ, Inc.
HILNA - High Intercept Low Noise Amplifiers NuWaves Ltd.
BOARD-TO-BOARD RF COAXIAL INTERCONNECT SOLUTIONS Radiall
Multiple Configuration Technology (MCT) Matric
SAS-550-1B Battery Operated Active Monopole A.H. Systems Inc.
AK-40G A.H. Systems Inc.
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Product News for vfo pll
MC145170 Serial Input PLL
The new MC145170-2 is pin-for-pin compatible with the MC145170-1. The MC145170-2 is recommended for new designs and has a more robust power-on reset (POR) circuit that is more responsive to momentary power supply interruptions. (read more)
Parallel-Input PLL Frequency Synthesizer ML145152
The ML145152 is programmed by 16 parallel inputs for the N and A counters and three input lines for the R counter. The device features consist of a reference oscillator, selectable–reference divider, two–output phase detector, 10–bit programmable divide–by–N counter, and 6–bit programmable ÷ A counter (read more)
Parallel-Input PLL Frequency Synthesizer ML145151
The ML145151 is programmed by 14 parallel–input data lines for the N counter and three input lines for the R counter. The device features consist of a reference oscillator, selectable– reference divider, digital–phase detector, and 14–bit programmable divide–by–N counter. (read more)
Serial-Input PLL Frequency Synthesizer ML145157
The ML145157 has a fully programmable 14–bit reference counter, as well as a fully programmable ÷ N counter. The counters are programmed serially through a common data input and latched into the appropriate counter latch, according to the last data bit (control bit) entered. (read more)
Serial_Input PLL Frequency Synthesizer ML145158
The ML145158 has a fully programmable 14–bit reference counter, as well as fully programmable ÷ N and ÷ A counters. The counters are programmed serially through a common data input and latched into the appropriate counter latch, according to the last data bit (control bit) entered. (read more)
Secure MCU: Electronic Transaction Terminal/Reader
The Secure Microcontroller for Electronic Transaction Terminal/Reader is a low-power, high-performance, SC100 32-bit microcontroller based on the ARM® enhanced RISC architecture. This new SC100 core allows the linear addressing of up to 1M bytes of code and data as well as a number of new functional and security features. (read more)
Low Power VCO Buffer ML12149
The ML12149 is intended for applications requiring high frequency signal generation up to 1300 MHz. An external tank circuit is used to determine the desired frequency of operation. The VCO is realized using an emmiter - coupled pair topology. (read more)
Any-Rate, Any-Output Clock Generator
Based on Silicon Labs' breakthrough MultiSynth technology, the Si5338 is capable of synthesizing any frequency from 0.16 to 350 MHz and select frequencies to 700 MHz on each of the device's four differential outputs, dramatically simplifying timing architectures by replacing four discrete phase-locked loop (PLL) devices with a single IC. (read more)
Function/Arbitrary Waveform Generators-22 Models
Signal Generator's, Programmable 30MHz Arbitrary Waveform Generators, 15 MHz Function Generators/built-in Frequency counters, Audio Oscillators and RF Generators. Instek's SFG-830 is a Direct Digital Synthesis design using DDS technology to generate stable output frequency waveforms with extraordinary amplitude and frequency resolutions. GPIB IEE-488.2 available. (read more)
ANALOG DEVICES Quad 12-bit ADC
Designed to support digitizing high frequency, wide dynamic range signals with an input bandwidth up to 780 MHz. (read more)
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DC KITS New PLL-VFO EXPERIMENTER PLATFORM at $119.95 This one is another two-board set. See DC Electronics - AZ Information |
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Re: [soft_radio Re: Single AD9954 with counter or dual AD9954... [soft_radio Re: Single AD9954 with counter or dual AD9954 to form IQ VFO. --- In [EMAIL PROTECTED ups.com, "D. J. Wang" <[EMAIL PROTECTED > wrote: |
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Re: [soft_radio Re: Single AD9954 with counter or dual AD9954... Re: [soft_radio Re: Single AD9954 with counter or dual AD9954 to form IQ VFO. |
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AOR DDS-2A External VFO for Collins The VFO uses an NCO (Numeric Controlled Oscillator) within a PLL loop that provides excellent C/N and accuracy over the range. |
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Square wave VFO.... Square wave VFO.... EDAboard.com Forum Index -> RF, Microwave, Antennas and Optics -> Square wave VFO.... |
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President Adams VFO CB transceiver mods reviews software... President Adams VFO CB transceiver mods reviews software manuals and diagrams |
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A 245 Mb/s EPR4 read/write channel with digital timing... The DPLL eliminates the VFO, thus removing the contributions of VFO mismatch and process variations due to sampling frequency error. |
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A 2 V 1.6 GHz BJT phase-locked loop Abstract: This paper describes the design of a BJT phase-locked loop (PLL) for /spl Sigma//spl Delta/ fractional-N frequency synthesis applications. |
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progetti_eng VFO DDS (PDF FILE - 300 Kbytes) A "partial synthesis" VFO using the PLL technique, if you want to |
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VHF Community Radio Electronics - An Introduction Broadcast Warehouse 1W FM LCD PLL Exciter Kit Review Broadcast Warehouse 1W PLL Transmitter Kit Review |
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