![Optimizing the Heathkit HW-101, SB100-102 Transceivers](http://s1.studyres.com/store/data/007900285_1-cad67befe390c7c8b3b9d96101f0ff21-300x300.png)
Optimizing the Heathkit HW-101, SB100-102 Transceivers
... kHz LSB, 3395.9 kHz USB, and 3395.17 kHz for CW. This resulted in a “tinny” sounding audio response in LSB compared to USB, and a very “bassy” sounding USB. The CW power output while using the SSB filter was 110 watts, but since the CW carrier oscillator injection was so far from the CW filter cente ...
... kHz LSB, 3395.9 kHz USB, and 3395.17 kHz for CW. This resulted in a “tinny” sounding audio response in LSB compared to USB, and a very “bassy” sounding USB. The CW power output while using the SSB filter was 110 watts, but since the CW carrier oscillator injection was so far from the CW filter cente ...
ZM013666670
... For high gain, the architecture of a single stage amplifier with gain-boosted amplifier is a nice choice compare to telescopic topology. However, the folded-cascode topology requires more power, but it offers large output swing and has good performance on common mode input range [5]. Generally, spee ...
... For high gain, the architecture of a single stage amplifier with gain-boosted amplifier is a nice choice compare to telescopic topology. However, the folded-cascode topology requires more power, but it offers large output swing and has good performance on common mode input range [5]. Generally, spee ...
Digital Communication System for Competitive Industries
... “Time is a critical factor in the vehicle towing industry” - says Mr. André van Niekerk, Multisource Telecoms Distribution Sales Manager and representative in charge of this project. “The customer wanted to communicate accurate information faster than their competitors. In addition, the wider commun ...
... “Time is a critical factor in the vehicle towing industry” - says Mr. André van Niekerk, Multisource Telecoms Distribution Sales Manager and representative in charge of this project. “The customer wanted to communicate accurate information faster than their competitors. In addition, the wider commun ...
OpAmp-tutorial
... • vid : The input voltage from inverting to non-inverting inputs • +VS , -VS : DC source voltages, usually +15V and –15V • Ri : The input resistance, ideally infinity • A : The gain of the amplifier. Ideally very high, in the 1x1010 range. • RO: The output resistance, ideally zero • vO: The output v ...
... • vid : The input voltage from inverting to non-inverting inputs • +VS , -VS : DC source voltages, usually +15V and –15V • Ri : The input resistance, ideally infinity • A : The gain of the amplifier. Ideally very high, in the 1x1010 range. • RO: The output resistance, ideally zero • vO: The output v ...
Adobe Acrobat Reader ()
... most people get extremely confused when dealing with calculations required. This guide will help you understand how to come to the answer as simply as possible and without calculator (which you will inevitably forget at home). In order to make things easier to remember physics here is extremely simp ...
... most people get extremely confused when dealing with calculations required. This guide will help you understand how to come to the answer as simply as possible and without calculator (which you will inevitably forget at home). In order to make things easier to remember physics here is extremely simp ...
IP PA System for Park Sound System Solution
... ID address, built-in 1.8” LCD English display, DC 9V operation system. With 20 buttons and indicator, start time less than 1 second. One RJ45 input, one aux input and one aux output. ...
... ID address, built-in 1.8” LCD English display, DC 9V operation system. With 20 buttons and indicator, start time less than 1 second. One RJ45 input, one aux input and one aux output. ...
Types SD 110, SD 210, SD 270 Namur Amplifier Relays
... are used with 2 proximity switches in the following way: ...
... are used with 2 proximity switches in the following way: ...
Emerging Technology Trends
... assumption that exotic looking microphones provides exotic audio. Microphones as an industrial product Microphones are designed and manufactured for many purposes other than music production. Communication is the area that implement the highest number of units. However, in microphones for industrial ...
... assumption that exotic looking microphones provides exotic audio. Microphones as an industrial product Microphones are designed and manufactured for many purposes other than music production. Communication is the area that implement the highest number of units. However, in microphones for industrial ...
4017512.pdf
... Low power supply consumption, weight and cost are important issues in personal biomedical instruments. The performance of any personal biomedical system depends on the performance of analog signal conditioning, e.g. extraction and amplification of low-level biopotential signals with maximum amplitud ...
... Low power supply consumption, weight and cost are important issues in personal biomedical instruments. The performance of any personal biomedical system depends on the performance of analog signal conditioning, e.g. extraction and amplification of low-level biopotential signals with maximum amplitud ...
UB System - LA Audio
... Three card frames are available, the UBF2, UBF4 and UBF8, accommodating 2, 4 and 8 modules respectively. All three frames are internally powered. The UBF4 and UBF8 frames are fitted with 19” rack mounting ears. The UBF2 may be ordered with a UBRM2 rack mounting kit, and the UBF8 may be specified wit ...
... Three card frames are available, the UBF2, UBF4 and UBF8, accommodating 2, 4 and 8 modules respectively. All three frames are internally powered. The UBF4 and UBF8 frames are fitted with 19” rack mounting ears. The UBF2 may be ordered with a UBRM2 rack mounting kit, and the UBF8 may be specified wit ...
Bollen - Jan Bollen`s Homepage
... input cycle (never switch off) - A single output device is possible. The device conducts for the entire waveform Class-B Output devices conduct for 180 degrees (1/2 of input cycle) - for audio, two output devices in "push-pull" must be used Class-AB Halfway (or partway) between the above two example ...
... input cycle (never switch off) - A single output device is possible. The device conducts for the entire waveform Class-B Output devices conduct for 180 degrees (1/2 of input cycle) - for audio, two output devices in "push-pull" must be used Class-AB Halfway (or partway) between the above two example ...
500 WATT PA by Harry Lythall
... Although I am an avid proponent of QRP (using reasonable power levels), there are times when I wish that I could run 1,000,000 watts and point it in a particular direction. If you are reading this then you know exactly what I am writing about. Unfortunately, here in the real world, it is quite expen ...
... Although I am an avid proponent of QRP (using reasonable power levels), there are times when I wish that I could run 1,000,000 watts and point it in a particular direction. If you are reading this then you know exactly what I am writing about. Unfortunately, here in the real world, it is quite expen ...
MAG/EB EVO II
... properly grounded. Do not modify the plug provided with the product – if it will not fit the outlet, have a suitable outlet fitted. The wires in this mains cord are coloured in accordance with the following code: ...
... properly grounded. Do not modify the plug provided with the product – if it will not fit the outlet, have a suitable outlet fitted. The wires in this mains cord are coloured in accordance with the following code: ...
VAR (Vishay Audio Resistor) Ultra High Precision, High Resolution
... • For other values and tighter tolerances, please contact application engineering using the footer below * Pb containing terminations are not RoHS compliant, exemptions may apply ...
... • For other values and tighter tolerances, please contact application engineering using the footer below * Pb containing terminations are not RoHS compliant, exemptions may apply ...
100V - 100W DMOS audio amplifier with mute/st-by
... are the power dissipation and the size of the power supply. These are both due to the low efficiency of conventional AB class amplifier approaches. Here below (figure 18) is described a circuit proposal for a high efficiency amplifier which can be adopted for both HI-FI and CAR-RADIO applications. T ...
... are the power dissipation and the size of the power supply. These are both due to the low efficiency of conventional AB class amplifier approaches. Here below (figure 18) is described a circuit proposal for a high efficiency amplifier which can be adopted for both HI-FI and CAR-RADIO applications. T ...
- Mega Audio
... After a brief warm-up period, adjustment of this switch is virtually silent. Two illuminating pushbutton switches (Green and Amber) determine the gain "range" of the rotary switch. When the pushbutton switches are not depressed (nonilluminated), the mic preamp gain provided is as printed on the fron ...
... After a brief warm-up period, adjustment of this switch is virtually silent. Two illuminating pushbutton switches (Green and Amber) determine the gain "range" of the rotary switch. When the pushbutton switches are not depressed (nonilluminated), the mic preamp gain provided is as printed on the fron ...
Restoration of a 1951 RCA-Victor Model X-711 AM
... antenna circuitry or an optional external antenna. As shown on the schematic attached at the end of this report, there are two IF stages; one AM/FM stage and one FM-only stage. Each band has its own oscillator. There are no RF gain stages. A block diagram of the radio circuitry is shown in Figure 4. ...
... antenna circuitry or an optional external antenna. As shown on the schematic attached at the end of this report, there are two IF stages; one AM/FM stage and one FM-only stage. Each band has its own oscillator. There are no RF gain stages. A block diagram of the radio circuitry is shown in Figure 4. ...
SC1887 Full Data Sheet, version 1.0
... spectral regrowth specifications. These specifications place high linearity demands on power amplifiers. Linearity may be achieved by backing off output power at the price of reducing efficiency. However, this increases the component and operating costs of the power amplifier. Better linearity may b ...
... spectral regrowth specifications. These specifications place high linearity demands on power amplifiers. Linearity may be achieved by backing off output power at the price of reducing efficiency. However, this increases the component and operating costs of the power amplifier. Better linearity may b ...
Wireless audio module for PA systems
... That includes a powerful, multi-core DECT baseband processor, transceiver, power amplifier and antenna plus complete protocol and application interface software. It also includes new application-specific software developed especially for the module by our partner RTX Telecom. All this is delivered i ...
... That includes a powerful, multi-core DECT baseband processor, transceiver, power amplifier and antenna plus complete protocol and application interface software. It also includes new application-specific software developed especially for the module by our partner RTX Telecom. All this is delivered i ...
PRE-73 MKII - goldenageproject.se
... Congratulations on choosing the Golden Age Project PRE-73 MKII microphone preamplifier! The PRE-73 MKII is a one-channel vintage style microphone-, line- and instrument preamplifier. The signal path uses only discrete components like resistors, capacitors and transistors. The line and microphone inp ...
... Congratulations on choosing the Golden Age Project PRE-73 MKII microphone preamplifier! The PRE-73 MKII is a one-channel vintage style microphone-, line- and instrument preamplifier. The signal path uses only discrete components like resistors, capacitors and transistors. The line and microphone inp ...
One Systems High Impedance Loudspeaker Basics V4
... inputs. The basic function of the transformer/autoformer is to increase the input impedance that is presented to the amplifier. When the input impedance is increased the amplifier current draw is reduced. When the amplifier output current is reduced the power loss associated with the cabling is redu ...
... inputs. The basic function of the transformer/autoformer is to increase the input impedance that is presented to the amplifier. When the input impedance is increased the amplifier current draw is reduced. When the amplifier output current is reduced the power loss associated with the cabling is redu ...
6505+® 112 Combo - American Musical Supply
... exposure is in excess of the limits as set forth above. To ensure against potentially dangerous exposure to high sound pressure levels, it is recommended that all persons exposed to equipment capable of producing high sound pressure levels such as this amplification system be protected by hearing pr ...
... exposure is in excess of the limits as set forth above. To ensure against potentially dangerous exposure to high sound pressure levels, it is recommended that all persons exposed to equipment capable of producing high sound pressure levels such as this amplification system be protected by hearing pr ...
Lecture 22: Class C Power Amplifiers
... So, simulation is probably our best approach to solving this problem. (Note that a 2N2222 transistor is used in this simulation rather than a 2SC799 or 2N3553. The later doesn’t work correctly in ADS for some unknown reason. You can’t always believe the results from simulation packages!) Nevertheles ...
... So, simulation is probably our best approach to solving this problem. (Note that a 2N2222 transistor is used in this simulation rather than a 2SC799 or 2N3553. The later doesn’t work correctly in ADS for some unknown reason. You can’t always believe the results from simulation packages!) Nevertheles ...
Digital Dictation - Is it Right for Your Firm?
... by email to the transcriptionist, rather than waiting until the attorney is back in the office to hand the tape to his or her secretary. Likewise, files can be transmitted over the firm’s network from attorney to transcriptionist. And like any digital file, the audio can also be uploaded to and down ...
... by email to the transcriptionist, rather than waiting until the attorney is back in the office to hand the tape to his or her secretary. Likewise, files can be transmitted over the firm’s network from attorney to transcriptionist. And like any digital file, the audio can also be uploaded to and down ...