Review of ITU-R activities/RNSS issues
... service (space-to-Earth) in the frequency band 1 164-1 215 MHz (subject to the conditions specified under S5.328A), with a provisional limit on the aggregate power flux-density produced by all the space stations within all radionavigation-satellite systems at the Earth's surface of 115 dB(W/m2) in ...
... service (space-to-Earth) in the frequency band 1 164-1 215 MHz (subject to the conditions specified under S5.328A), with a provisional limit on the aggregate power flux-density produced by all the space stations within all radionavigation-satellite systems at the Earth's surface of 115 dB(W/m2) in ...
THS4509-Q1
... To allow for dc coupling to analog-to-digital converters (ADCs), its unique output common-mode control circuit maintains the output common-mode voltage within 3-mV offset (typ) from the set voltage, when set within 0.5 V of mid-supply, with less than 4-mV differential offset voltage. The common-mode ...
... To allow for dc coupling to analog-to-digital converters (ADCs), its unique output common-mode control circuit maintains the output common-mode voltage within 3-mV offset (typ) from the set voltage, when set within 0.5 V of mid-supply, with less than 4-mV differential offset voltage. The common-mode ...
Si5345/44/42 - Silicon Labs
... 3. Rise and fall times can be estimated using the following simplified equation: tr/tf80-20 = ((0.8 – 0.2) x VIN_Vpp_se) / SR 4. This mode is intended primarily for single-ended LVCMOS input clocks < 1 MHz that must be dc-coupled because they have a duty cycle significantly less than 50%. A typical ...
... 3. Rise and fall times can be estimated using the following simplified equation: tr/tf80-20 = ((0.8 – 0.2) x VIN_Vpp_se) / SR 4. This mode is intended primarily for single-ended LVCMOS input clocks < 1 MHz that must be dc-coupled because they have a duty cycle significantly less than 50%. A typical ...
LECTURE 130 – VOLTAGE-CONTROLLED OSCILLATORS
... sample and feeds it to the DAC. 3.) The DAC converts this digital data to an analog signal. 4.) The analog signal is passed through the low-pass filter to smooth the waveform and remove out-of-band high frequency noise from the signal. Advantages: Disadvantages: • Very high frequency resolution (fcl ...
... sample and feeds it to the DAC. 3.) The DAC converts this digital data to an analog signal. 4.) The analog signal is passed through the low-pass filter to smooth the waveform and remove out-of-band high frequency noise from the signal. Advantages: Disadvantages: • Very high frequency resolution (fcl ...
BDTIC www.BDTIC.com/infineon Wireless Sense & Control
... varactor diodes. It’s nominal centre frequency is 840 MHz, the operating range guaranteed over the temperature range specified is 820 to 860 MHz. Depending on whether high- or low-side injection of the local oscillator is used the receive frequency ranges are 810 to 840 MHz and 840 to 870 MHz or 400 ...
... varactor diodes. It’s nominal centre frequency is 840 MHz, the operating range guaranteed over the temperature range specified is 820 to 860 MHz. Depending on whether high- or low-side injection of the local oscillator is used the receive frequency ranges are 810 to 840 MHz and 840 to 870 MHz or 400 ...
SKY77433 数据资料DataSheet下载
... Note: PCB Design and SMT Assembly/Rework, Document Number 101752. Additional information on standard SMT reflow profiles can also be found in the JEDEC Standard J–STD–020. Production quantities of this product are shipped in the standard tape-and-reel format. For packaging details, refer to Skyworks ...
... Note: PCB Design and SMT Assembly/Rework, Document Number 101752. Additional information on standard SMT reflow profiles can also be found in the JEDEC Standard J–STD–020. Production quantities of this product are shipped in the standard tape-and-reel format. For packaging details, refer to Skyworks ...
Using Two-Point Modulation To Reduce Synthesizer Problems
... Modulation can be applied to different points within the PLL, such as at the VCO input and at the master oscillator1. When modulation is applied to the input of the VCO, high-frequency content above the loop filter bandwidth of the modulating signal is developed at the VCO output. Low-frequency cont ...
... Modulation can be applied to different points within the PLL, such as at the VCO input and at the master oscillator1. When modulation is applied to the input of the VCO, high-frequency content above the loop filter bandwidth of the modulating signal is developed at the VCO output. Low-frequency cont ...
Application Note No. 060
... of approximately 5 to 10 dB can be expected by using this “trick”. The same effect may be seen by using extra charge storage on the collector, but the results usually are not nearly as dramatic. The closer together the two input test tones f1 and f2 are in frequency, the lower frequency the product ...
... of approximately 5 to 10 dB can be expected by using this “trick”. The same effect may be seen by using extra charge storage on the collector, but the results usually are not nearly as dramatic. The closer together the two input test tones f1 and f2 are in frequency, the lower frequency the product ...
Angle Modulation
... later. This is indeed the fallacy that gave birth to FM in the first place. In the 1920s radio engineers, thinking that the actual bandwidth of an FM signal is 2 ∆ f , felt that bandwidth requirement of FM can be made less than that of AM (that is, less than 2W ) by choosing ∆ f appropriately! The f ...
... later. This is indeed the fallacy that gave birth to FM in the first place. In the 1920s radio engineers, thinking that the actual bandwidth of an FM signal is 2 ∆ f , felt that bandwidth requirement of FM can be made less than that of AM (that is, less than 2W ) by choosing ∆ f appropriately! The f ...
ADL5387 数据手册DataSheet 下载
... I-Channel and Q-Channel Mixer Baseband Outputs. These outputs have a 50 Ω differential output impedance (25 Ω per pin). The bias level on these pins is equal to VPOS − 2.8 V. Each output pair can swing 2 V p-p (differential) into a load of 200 Ω. Output 3 dB bandwidth is 240 MHz. RF Input. A single- ...
... I-Channel and Q-Channel Mixer Baseband Outputs. These outputs have a 50 Ω differential output impedance (25 Ω per pin). The bias level on these pins is equal to VPOS − 2.8 V. Each output pair can swing 2 V p-p (differential) into a load of 200 Ω. Output 3 dB bandwidth is 240 MHz. RF Input. A single- ...
7 Frequency response and filtering
... Actual filters will not have these "brick wall" responses; that is, they will not change abruptly from one value to another as the frequency changes The first-order RC lowpass filter was far from its ideal template With more circuit elements and more sophisticated design procedures, one can approxim ...
... Actual filters will not have these "brick wall" responses; that is, they will not change abruptly from one value to another as the frequency changes The first-order RC lowpass filter was far from its ideal template With more circuit elements and more sophisticated design procedures, one can approxim ...
MAX7032 Low-Cost, Crystal-Based, Programmable, ASK/FSK Transceiver with Fractional-N PLL General Description
... ASK/FSK Transceiver with Fractional-N PLL The MAX7032 crystal-based, fractional-N transceiver is designed to transmit and receive ASK/OOK or FSK data in the 300MHz to 450MHz frequency range with data rates up to 33kbps (Manchester encoded) or 66kbps (NRZ encoded). This device generates a typical out ...
... ASK/FSK Transceiver with Fractional-N PLL The MAX7032 crystal-based, fractional-N transceiver is designed to transmit and receive ASK/OOK or FSK data in the 300MHz to 450MHz frequency range with data rates up to 33kbps (Manchester encoded) or 66kbps (NRZ encoded). This device generates a typical out ...
ADF4360-0 数据手册DataSheet 下载
... Programmable dual-modulus prescaler 16/17, 32/33 Programmable output power level 3-wire serial interface Analog and digital lock detect Hardware and software power-down mode ...
... Programmable dual-modulus prescaler 16/17, 32/33 Programmable output power level 3-wire serial interface Analog and digital lock detect Hardware and software power-down mode ...
FEATURES FUNCTIONAL BLOCK DIAGRAM
... This phase jitter leads to a spreading out of the energy of the sine wave in the frequency domain, producing a continuous power spectrum. This power spectrum is usually reported as a series of values whose units are dBc/Hz at a given offset in frequency from the sine wave (carrier). The value is a r ...
... This phase jitter leads to a spreading out of the energy of the sine wave in the frequency domain, producing a continuous power spectrum. This power spectrum is usually reported as a series of values whose units are dBc/Hz at a given offset in frequency from the sine wave (carrier). The value is a r ...
LMX2531 - Texas Instruments
... Maximum Allowable Temperature Drift for Continuous Lock is how far the temperature can drift in either direction from the value it was at the time that the R0 register was last programmed, and still have the part stay in lock. The action of programming the R0 register, even to the same value, activa ...
... Maximum Allowable Temperature Drift for Continuous Lock is how far the temperature can drift in either direction from the value it was at the time that the R0 register was last programmed, and still have the part stay in lock. The action of programming the R0 register, even to the same value, activa ...
Two Output, Integrated VCO, Low-Jitter Clock Generator.. (Rev. F)
... clock synthesizer with two universal output buffers that can be configured to be LVPECL, LVDS, or LVCMOS compatible. Each universal output can also be converted to two LVCMOS outputs. Additionally, an LVCMOS bypass output clock is available in an output configuration which can help with crystal load ...
... clock synthesizer with two universal output buffers that can be configured to be LVPECL, LVDS, or LVCMOS compatible. Each universal output can also be converted to two LVCMOS outputs. Additionally, an LVCMOS bypass output clock is available in an output configuration which can help with crystal load ...
(PPT, 328KB)
... the first-generation (1G) cell-phone systems, where each phone call was assigned to a specific uplink frequency channel, and another downlink frequency channel ...
... the first-generation (1G) cell-phone systems, where each phone call was assigned to a specific uplink frequency channel, and another downlink frequency channel ...
Integrated Synthesizer and VCO ADF4360-2 FEATURES
... Programmable dual-modulus prescaler 8/9, 16/17, 32/33 Programmable output power level 3-wire serial interface Analog and digital lock detect Hardware and software power-down mode ...
... Programmable dual-modulus prescaler 8/9, 16/17, 32/33 Programmable output power level 3-wire serial interface Analog and digital lock detect Hardware and software power-down mode ...
ADF4360-3 数据手册DataSheet 下载
... The dual-modulus prescaler (P/P + 1), along with the A and B counters, enables the large division ratio, N, to be realized (N = BP + A). The dual-modulus prescaler, operating at CML levels, takes the clock from the VCO and divides it down to a manageable frequency for the CMOS A and B counters. The ...
... The dual-modulus prescaler (P/P + 1), along with the A and B counters, enables the large division ratio, N, to be realized (N = BP + A). The dual-modulus prescaler, operating at CML levels, takes the clock from the VCO and divides it down to a manageable frequency for the CMOS A and B counters. The ...
ADF4360-4 Integrated Synthesizer and VCO Data
... Programmable dual-modulus prescaler 8/9, 16/17, 32/33 Programmable output power level 3-wire serial interface Analog and digital lock detect Hardware and software power-down mode ...
... Programmable dual-modulus prescaler 8/9, 16/17, 32/33 Programmable output power level 3-wire serial interface Analog and digital lock detect Hardware and software power-down mode ...
ADF4360-5 VCO-PLL - University of Toronto Physics
... Programmable dual-modulus prescaler 8/9, 16/17, 32/33 Programmable output power level 3-wire serial interface Analog and digital lock detect Hardware and software power-down mode ...
... Programmable dual-modulus prescaler 8/9, 16/17, 32/33 Programmable output power level 3-wire serial interface Analog and digital lock detect Hardware and software power-down mode ...
MAX2022 High-Dynamic-Range, Direct Up/ Downconversion 1500MHz to 3000MHz Quadrature Modulator/Demodulator
... quadrature modulator/demodulator is designed for single and multicarrier 1500MHz to 3000MHz UMTS/WCDMA, LTE/TD-LTE, cdma2000®, and DCS/PCS base-station applications. Direct conversion architectures are advantageous since they significantly reduce transmitter or receiver cost, part count, and power c ...
... quadrature modulator/demodulator is designed for single and multicarrier 1500MHz to 3000MHz UMTS/WCDMA, LTE/TD-LTE, cdma2000®, and DCS/PCS base-station applications. Direct conversion architectures are advantageous since they significantly reduce transmitter or receiver cost, part count, and power c ...
AD8132 (Rev. G)
... frequency components of the signal. The AD8132 is used for either analog or digital video signals or for other high speed data transmission. The AD8132 is capable of driving either a Category 3 or Category 5 twisted pair or coaxial cable with minimal line attenuation. The AD8132 has considerable cos ...
... frequency components of the signal. The AD8132 is used for either analog or digital video signals or for other high speed data transmission. The AD8132 is capable of driving either a Category 3 or Category 5 twisted pair or coaxial cable with minimal line attenuation. The AD8132 has considerable cos ...
Amateur radio repeater
An amateur radio repeater is an electronic device that receives a weak or low-level amateur radio signal and retransmits it at a higher level or higher power, so that the signal can cover longer distances without degradation. Many repeaters are located on hilltops or on tall buildings as the higher location increases their coverage area, sometimes referred to as the radio horizon, or ""footprint."" Amateur radio repeaters are similar in concept to those used by public safety entities (police, fire department, etc.), businesses, government, military, and more. Amateur radio repeaters may even use commercially packaged repeater systems that have been adjusted to operate within amateur radio frequency bands, but more often amateur repeaters are assembled from receivers, transmitters, controllers, power supplies, antennas, and other components, from various sources.