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The modulator was tuned to VHF channel 3 and the TV system was hardware selectable to PAL-M ( 60 Hz ) as used in Brazil, PAL-N ( 50 Hz ) as used in Uruguay, Argentina and Paraguay and NTSC ( 60 Hz ) as used in USA and many other countries, versatility of features the ZX Spectrum never had ** ( Was discover an original ZX Spectrum with NTSC video output in Chile, The ULA is a model 6C011E-3 which generates a NTSC frame size and rate )
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modulator and was
This current was used to control a tone generator ( a modulator ), the current determining the frequency of the tone produced.
Video output is through an RF modulator and was designed for use with contemporary portable television sets, for a simple colour graphic display.
Sometimes this modulator was built into the product ( such as video game consoles, VCRs, or the Atari, Commodore 64, or TRS-80 CoCo home-computers ) and sometimes it was an external unit powered by the computer ( in the case of the TI-99 or some Apple modulators ) or with an independent power supply.
Perrin seizes upon an accident with the sound wave / radiation machine in which Hobson set the sound modulator too high and was blasted out of his chair by an invisible energy wave.
Uniquely the SAM's RF modulator was built into the power supply unit and connected via a joint power / TV socket.
This made signal interference from the ACDC converter common and it was a popular but entirely unofficial modification to remove the modulator and keep it as a separate unit.
Following EIA and FCC recommendations, the BE modulator was modified to meet BTSC specifications, and by August 1984 was in full-time use on WTTW.
DES was the hormonal treatment of choice for advanced breast cancer in postmenopausal women until 1977, when the FDA approved tamoxifen, a selective estrogen receptor modulator with efficacy similar to DES but fewer side effects.
The TS1000 was a slightly modified Sinclair ZX81 with an NTSC RF modulator instead of a UK PAL ( Units sold in Portugal have a PAL RF modulator ) device and the onboard RAM doubled to 2 kB.
To get around this issue, the DX7 was built upon entirely different sound engine design, consisting of a combination of " carrier " sine wave oscillators and " modulator " oscillators that can be interconnected in numerous ways, and being organized into 32 most useful " algorithms ".
As with the redesigned NES ( NES-101 ) before it, the SNS-101 model has no LED power light to indicate when the unit is on ( as the original NES, SNES, and N64 all included ) The RF connector was also removed, however an N64 RF modulator can be used to give the SNS-101 RF output if required.
The RF connector used on the original Super Famicom was also removed, however the N64 RF modulator could be used to give the Super Famicom Jr. RF output if required.
Neon Hunk was a husband / wife noise music duo, composed of Jennifurmium ( Mothmaster )-vocals and analog synthesizer / ring modulator, and Pink Diamond ( Mossmaster )-Drums, Vocals, and Modular Digital Synthesizer.
It was more cost-effective to output Y, R-Y and B-Y and encode them into PAL or SECAM in the RF modulator, than to try and have a different console for every different color standard.
The ECG output was connected to the telephone input using a modulator which converted ECG into high frequency sound.
A magnetic amplifier was used as voice modulator for a 2 kilowatt Alexanderson alternator, and magnetic amplifiers were used in the keying circuits of large high-frequency alternators used for radio communications.
Ellis also used the ring modulator on several occasions, which was built for him by Tom Oberheim.
The video was output through a UHF modulator, designed to connect to a TV set.
In many cases, an RF modulator was used to take the composite output from the game and modulate it before sending the signal to the television.
The technique was first presented in the early 1960s by prof. Haruhiko Yasuda while he was student at Waseda University, Tokyo, Japan, The name Delta-Sigma comes directly from the presence of a Delta modulator and an integrator, as firstly introduced by Inose et al.
modulator and tuned
A modulator and carrier signal are sent through a series of these tuned band pass filters.
For example in North America, NTSC standards dictate that CH2 is a 6 MHz wide channel with its luminance carrier at 55. 25 MHz, so the modulator for channel 2 will impose the appropriate input signal on to the 55. 25 MHz frequency to be received by any TV tuned to Channel 2.
The video output was sent via a RF modulator to a TV set tuned at VHF channel 3, and it featured black characters on a white background.
modulator and channel
The Lanthanum cation La < sup > 3 +</ sup > is a positive allosteric modulator at native and recombinant GABA receptors, increasing open channel time and decreasing desensitization in a subunit configuration dependent manner.
High pass, low pass, and notch filters must be used to block certain frequencies, or channels, so that the modulator can broadcast the audio / video signal of the source device on that channel.
This may then be converted to RF with an external box known as an RF modulator that generates the proper carrier ( often for channel 3 or 4 in North America, channel 36 in Europe ).
Through the early-1980s, electronics that output a television channel signal were required to meet the same shielding requirements as broadcast television equipment, thus forcing manufacturers such as Apple to omit an RF modulator, and Texas Instruments to have their RF modulator as an external unit, which they had certified by the FCC without mentioning they were planning to sell it with a computer.
* Pulsar-a dual channel modulator effect unit.
This is mounted in a plastic housing with a bay for consumable batteries and a simple RF video modulator selectable to either North American television channel 3 or 4.
modulator and 3
Example: A two-bit modulator ( PAM-4 ) will take two bits at a time and will map the signal amplitude to one of four possible levels, for example − 3 volts, − 1 volt, 1 volt, and 3 volts.
A single serving provides more than 30 mg of Vitamin C and a half-cup provides 52 mg of Vitamin C. The 3, 3 '- Diindolylmethane found in broccoli is a potent modulator of the innate immune response system with anti-viral, anti-bacterial and anti-cancer activity.
Researchers at the University of California at Berkeley have recently discovered that 3, 3 '- diindolylmethane in Brassica vegetables is a potent modulator of the innate immune response system with potent antiviral, antibacterial and anticancer activity ; however, it also is an antiandrogen.
One application is spectral inversion, typically of speech ; a carrier frequency is chosen to be above the highest speech frequencies ( which are low-pass filtered at, say, 3 kHz, for a carrier of perhaps 3. 3 kHz ), and the sum frequencies from the modulator are removed by more low-pass filtering.
Operating at 1. 2 GHz without any temperature controller, this modulator has a broad bandwidth ( from 1. 3 to 1. 6 μm ) and small footprint (~ 25 μm < sup > 2 </ sup >).
The VCS3 consisted of 3 voltage-controlled oscillators ( VCOs ), a noise generator, two input amplifiers, ring modulator, voltage-controlled low-pass filter, trapezoid envelope generator, voltage-controlled reverberation, level meter, two output amplifiers thus providing a stereo output, and a joystick providing ' X ' and ' Y ' modulation control.
The current description of enamelin is a protein coded at 4q13. 3 that is a modulator for mineral formation and crystal elongation in enamel.
modulator and TV
* I / O ports: Expansion port, tape recorder connector ( 1200 baud variation on the Kansas City standard for data encoding ), aerial TV connector ( RF modulator ), composite video and RGB monitor output
The earlier models of the Tandy 1000 had a composite video output, and could be used with a color or monochrome composite monitor, or a TV with an RF modulator.
The motherboard of an early microcomputer, the Tangerine MICROTAN 65 | Microtan 65, showing the silver-cased ASTEC 1111EM36 UHF TV modulator at top left
** RF modulator to TV antenna connector
A device called a modulator at the local station's facilities feed their programming over this line to the cable TV headend, which in turn receives it with another device called a demodulator.
It also contained a clock for clear speech and an audio modulator to transfer the sound to the TV lead.
Lastly, like many modern consoles and other devices meant to be connected to a TV, many modern famiclones lack an RF modulator and instead only have separate audio and composite video outputs ( sometimes S-Video ), also to cut on the ( already low ) production costs.
Cable boxes are set top boxes that serve as a separate tuner, which send their video / audio output using a RF modulator on in Europe and in North America for TV sets that aren't cable-ready.
Many Home computers in the 1970s and 1980s used an RF modulator to connect to a TV set.
The machine connected to either a video monitor or to a TV with video input or by means of an external RF modulator.
** Composite video ( one-signal video output to monitor included in afore mentioned 8-pin DIN plug, and separate integrated RF modulator antenna output, which also carries sound, to TV on an RCA socket )
* Input / Output: NTSC composite video jack, TV RF modulator port, cassette port, printer port, joystick 9-pin D-type port, earphone, and external speaker jacks
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