UNIT I AMPLITUDE MODULATION Objective:
... A Square-law modulator requires nonlinear element and a low pass filter for extracting the desired message signal. Semi-conductor diodes and transistors are the most common nonlinear devices used for implementing square law modulators. The filtering requirement is usually satisfied by using a singl ...
... A Square-law modulator requires nonlinear element and a low pass filter for extracting the desired message signal. Semi-conductor diodes and transistors are the most common nonlinear devices used for implementing square law modulators. The filtering requirement is usually satisfied by using a singl ...
Effects of Op-Amp Finite Gain and Bandwidth
... Example 2 An op-amp has a gain-bandwidth product of 1 MHz. The op-amp is to be used in a non-inverting amplifier circuit. Calculate the highest gain that the amplifier can have if the halfpower or −3 dB bandwidth is to be 20 kHz or more. Solution. The minimum bandwidth occurs at the highest gain. Fo ...
... Example 2 An op-amp has a gain-bandwidth product of 1 MHz. The op-amp is to be used in a non-inverting amplifier circuit. Calculate the highest gain that the amplifier can have if the halfpower or −3 dB bandwidth is to be 20 kHz or more. Solution. The minimum bandwidth occurs at the highest gain. Fo ...
Time Series Analysis Signal Processing Workshop
... • What happens if this criteria is NOT adhered to ? • If there are frequency components present in the waveform being sampled which have a frequency greater than fs/2 (the Nyquist frequency) then a distortive effect known as aliasing will occur • Aliasing results in a sine wave whose frequency is ...
... • What happens if this criteria is NOT adhered to ? • If there are frequency components present in the waveform being sampled which have a frequency greater than fs/2 (the Nyquist frequency) then a distortive effect known as aliasing will occur • Aliasing results in a sine wave whose frequency is ...
XTBM X10 Signal Meter Operation
... Debugging with the XTBM Inadequate signal strength and powerline noise often cause X10 reliability problems. X10 commands are sent as a series of signal bursts coupled to the powerline. Presence of a burst signifies a logic "1", and absence a logic "0". Noise near the X10 carrier frequency can fill ...
... Debugging with the XTBM Inadequate signal strength and powerline noise often cause X10 reliability problems. X10 commands are sent as a series of signal bursts coupled to the powerline. Presence of a burst signifies a logic "1", and absence a logic "0". Noise near the X10 carrier frequency can fill ...
Application Considerations for an Instrumentation Lowpass Filter
... 117/1; beyond this, the passband error improvement is not worth the large value of R′. Also, under this condition (1/2πRC) = fC/1.57 and (1/2πR′C′) = fC/1.6. For instance, a 10th order filter was designed with a cutoff frequency, fC, of 4.16kHz, fCLK = 416kHz and R = 909Ω, R′ = 107k, C = 0.066μF and ...
... 117/1; beyond this, the passband error improvement is not worth the large value of R′. Also, under this condition (1/2πRC) = fC/1.57 and (1/2πR′C′) = fC/1.6. For instance, a 10th order filter was designed with a cutoff frequency, fC, of 4.16kHz, fCLK = 416kHz and R = 909Ω, R′ = 107k, C = 0.066μF and ...
MAX9984 SiGe High-Linearity, 400MHz to 1000MHz Downconversion Mixer with LO Buffer/Switch General Description
... 400MHz to 1000MHz base-station receiver applications*. With an optimized 570MHz to 850MHz LO frequency range, this particular mixer is ideal for low-side LO injection receiver architectures in the cellular band. High-side LO injection is supported by the MAX9986, which is pin-for-pin and functionall ...
... 400MHz to 1000MHz base-station receiver applications*. With an optimized 570MHz to 850MHz LO frequency range, this particular mixer is ideal for low-side LO injection receiver architectures in the cellular band. High-side LO injection is supported by the MAX9986, which is pin-for-pin and functionall ...
ADL5369 - Analog Devices
... The ADL5369 uses a highly linear, doubly balanced passive mixer core along with integrated radio frequency (RF) and local oscillator (LO) balancing circuitry to allow single-ended operation. The ADL5369 incorporates an RF balun, allowing optimal performance over a 300 MHz to 1100 MHz RF input freque ...
... The ADL5369 uses a highly linear, doubly balanced passive mixer core along with integrated radio frequency (RF) and local oscillator (LO) balancing circuitry to allow single-ended operation. The ADL5369 incorporates an RF balun, allowing optimal performance over a 300 MHz to 1100 MHz RF input freque ...
an266 vcxo tuning slope (kv), stability, and absolute
... essentially a function of the VCXO pullability and the VCXO total frequency stability. The difference between the VCXO's total pull range and the total frequency stability indicates how much of the pull range is available for tracking of the PLL reference clock, after allowing for the frequency stab ...
... essentially a function of the VCXO pullability and the VCXO total frequency stability. The difference between the VCXO's total pull range and the total frequency stability indicates how much of the pull range is available for tracking of the PLL reference clock, after allowing for the frequency stab ...
Lab 10: Frequency Response of Filter Circuits
... 2. You will now manually determine the frequency response of the bandpass circuit in Figure 4. Connect the function generator across the parallel combination of the 47 nF capacitor and the inductor you made in Lab 5 (note that you will have to do this twice, once for each student's inductor). Reset ...
... 2. You will now manually determine the frequency response of the bandpass circuit in Figure 4. Connect the function generator across the parallel combination of the 47 nF capacitor and the inductor you made in Lab 5 (note that you will have to do this twice, once for each student's inductor). Reset ...
12 13 Examples of applying 43 + 10 log (P) to calculate
... PT is the transmitter power. The separation values are based on an assumption that the maximum value of the necessary bandwidth is about 12 kHz for the frequency range 1.5-30 MHz. The separation value of 200 kHz for PT > 50 W is extremely large as compared with the necessary bandwidth. This is becau ...
... PT is the transmitter power. The separation values are based on an assumption that the maximum value of the necessary bandwidth is about 12 kHz for the frequency range 1.5-30 MHz. The separation value of 200 kHz for PT > 50 W is extremely large as compared with the necessary bandwidth. This is becau ...
AD8048
... is limited by the associated rise in junction temperature. The maximum safe junction temperature for plastic encapsulated devices is determined by the glass transition temperature of the plastic, approximately 150°C. Exceeding this limit temporarily may cause a shift in parametric performance due to ...
... is limited by the associated rise in junction temperature. The maximum safe junction temperature for plastic encapsulated devices is determined by the glass transition temperature of the plastic, approximately 150°C. Exceeding this limit temporarily may cause a shift in parametric performance due to ...
to a copy of the Auto EAS Siren
... The TAR must be completely programmable over a built in RS232 port from an easy to use Windows 7® based software program. All data must store in non-volatile FLASH and EE memory. Using this technology, both the application software and the user specific configuration data must be capable of being up ...
... The TAR must be completely programmable over a built in RS232 port from an easy to use Windows 7® based software program. All data must store in non-volatile FLASH and EE memory. Using this technology, both the application software and the user specific configuration data must be capable of being up ...
LTC6905 - 17MHz to 170MHz Resistor Set SOT-23 Oscillator.
... ALTERNATIVE METHODS OF SETTING THE OUTPUT FREQUENCY OF THE LTC6905 The LTC6905 may be programmed by any method that sources a current into the SET pin (Pin 3). The accuracy of the programming is best with a simple resistor because the LTC6905 takes into account both the voltage at the SET pin and th ...
... ALTERNATIVE METHODS OF SETTING THE OUTPUT FREQUENCY OF THE LTC6905 The LTC6905 may be programmed by any method that sources a current into the SET pin (Pin 3). The accuracy of the programming is best with a simple resistor because the LTC6905 takes into account both the voltage at the SET pin and th ...
RFMD2081 45MHz TO 2700MHz IQ MODULATOR WITH SYNTHESIZER/VCO Features
... center frequency range at the modulator output of 45MHz to 2700MHz. Each VCO has 128 overlapping bands which are used to achieve low VCO gain and optimal phase noise performance across the whole tuning range. The chip automatically selects the correct VCO (VCO auto-select) and the correct VCO band ( ...
... center frequency range at the modulator output of 45MHz to 2700MHz. Each VCO has 128 overlapping bands which are used to achieve low VCO gain and optimal phase noise performance across the whole tuning range. The chip automatically selects the correct VCO (VCO auto-select) and the correct VCO band ( ...
MAX9150 - Maxim Part Number Search
... intended for point-to-point communication over a controlled impedance medium, as defined by the ANSI/TIA/EIA-644 and IEEE 1596.3 standards. The LVDS standard uses a lower voltage swing than other common communication standards, achieving higher data rates with reduced power consumption while reducin ...
... intended for point-to-point communication over a controlled impedance medium, as defined by the ANSI/TIA/EIA-644 and IEEE 1596.3 standards. The LVDS standard uses a lower voltage swing than other common communication standards, achieving higher data rates with reduced power consumption while reducin ...
Operating Manual
... Further it must be ensured that no danger can arise by touching the disconnected voltagesources. Devices which are supplied by AC-voltages, must be connected exclusively by switches, respectively circuit-breakers with the low voltage network. The switch or circuit-breaker must be placed as near as p ...
... Further it must be ensured that no danger can arise by touching the disconnected voltagesources. Devices which are supplied by AC-voltages, must be connected exclusively by switches, respectively circuit-breakers with the low voltage network. The switch or circuit-breaker must be placed as near as p ...
HMC799LP3E 数据资料DataSheet下载
... The HMC799LP3E is DC to 700 MHz Transimpedance amplifier designed for opto-electronic laser sensor applications, FDDI receivers and receiver systems employing optical to electrical conversion. This amplifier provides a single-ended output voltage that is proportional to an applied current at its inp ...
... The HMC799LP3E is DC to 700 MHz Transimpedance amplifier designed for opto-electronic laser sensor applications, FDDI receivers and receiver systems employing optical to electrical conversion. This amplifier provides a single-ended output voltage that is proportional to an applied current at its inp ...
(f-fo0) sin(2rrf0t) + (2n+l)!
... matrices and their left pseudo-inverses were calculated for many cases. Sane of the combinaticns of parameters examined are listed in Table I. In these cases, time was considered to be zero at the middle of the selected- data windows. Table II lists the elements of the first four rows of the left ps ...
... matrices and their left pseudo-inverses were calculated for many cases. Sane of the combinaticns of parameters examined are listed in Table I. In these cases, time was considered to be zero at the middle of the selected- data windows. Table II lists the elements of the first four rows of the left ps ...
Introducing the MF-10: A Versatile Monolithic Active Filter Building
... MF10 is powered from split supplies or a single supply, by simply grounding the level shift (L Sh) control pin. The resonant frequency of each filter is directly controlled by its clock. A tri-level control pin sets the ratio of the clock frequency to the center frequency (the 50/100/CL pin) for bot ...
... MF10 is powered from split supplies or a single supply, by simply grounding the level shift (L Sh) control pin. The resonant frequency of each filter is directly controlled by its clock. A tri-level control pin sets the ratio of the clock frequency to the center frequency (the 50/100/CL pin) for bot ...
impedance stabilization network (isn) for unscreened balanced pairs
... auxiliary equipment (AE) or load which are necessary for the operation of the EUT. The ISN establishes the common-mode termination impedance for the EUT’s telecommunications port during measurement and emulates the unsymmetrical contribution (longitudinal conversion loss, LCL) of the connected line. ...
... auxiliary equipment (AE) or load which are necessary for the operation of the EUT. The ISN establishes the common-mode termination impedance for the EUT’s telecommunications port during measurement and emulates the unsymmetrical contribution (longitudinal conversion loss, LCL) of the connected line. ...
LPRO Rubidum Oscillator - Ham
... for ease of integration into time and frequency frequency offset. systems because of its low profile and single circuit board design. The height and footprint are designed to accommodate a 1U VME application, or a 3U VME application. Great care has been taken in the design to minimize EMI emissions ...
... for ease of integration into time and frequency frequency offset. systems because of its low profile and single circuit board design. The height and footprint are designed to accommodate a 1U VME application, or a 3U VME application. Great care has been taken in the design to minimize EMI emissions ...
MAX3558
... Cable TV Applications The MAX3558 broadband LNA consists of a single input and four independent outputs. Each output has its own AGC and shutdown function. The LNA covers the 50MHz to 878MHz cable and terrestrial TV frequency range. In addition, the device includes a power detector that can be used ...
... Cable TV Applications The MAX3558 broadband LNA consists of a single input and four independent outputs. Each output has its own AGC and shutdown function. The LNA covers the 50MHz to 878MHz cable and terrestrial TV frequency range. In addition, the device includes a power detector that can be used ...
26.5-40 and 76.5-90 GHz the Multichannel Radiometer - ELVA-1
... amplifier (1, Fig. 17). Then the second frequency conversion is occurred that transforms the input signals with the frequency band 1.5÷15 GHz into output signals with frequencies within a range from 0 … 425 MHz. Balanced mixer (3, Fig. 17), local oscillator (2, Fig. 17) and low frequency bandpass fi ...
... amplifier (1, Fig. 17). Then the second frequency conversion is occurred that transforms the input signals with the frequency band 1.5÷15 GHz into output signals with frequencies within a range from 0 … 425 MHz. Balanced mixer (3, Fig. 17), local oscillator (2, Fig. 17) and low frequency bandpass fi ...
Sampling and Reconstruction
... Consider the following experiment.1 Generate a discrete-time audio signal with an 8,000 samples/second sample rate according to the formula (11.4). Let the frequency f begin at 0 Hz and sweep upwards through 4 kHz to (at least) 8 kHz. Use the audio output of a computer to listen to the resulting sou ...
... Consider the following experiment.1 Generate a discrete-time audio signal with an 8,000 samples/second sample rate according to the formula (11.4). Let the frequency f begin at 0 Hz and sweep upwards through 4 kHz to (at least) 8 kHz. Use the audio output of a computer to listen to the resulting sou ...
A Hybrid Analog/Digital Phase-Locked Loop for Frequency Mode
... and can be used to drive the transducer. The problem with this arrangement lies in obtaining a signal that corresponds to the frequency deviation: most LIAs that we are familiar with do not have an output corresponding to the frequency that has sufficient resolution for our requirements, and reading ...
... and can be used to drive the transducer. The problem with this arrangement lies in obtaining a signal that corresponds to the frequency deviation: most LIAs that we are familiar with do not have an output corresponding to the frequency that has sufficient resolution for our requirements, and reading ...
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.