A new high performance computer d-c amplifier
A new computer d-c amplifier designed for very fast as well as for real-time analog/hybrid computation combines large bandwidth (30 MHz gain-bandwidth product) and high mid-band gain (68 dB at 10 KHz) with full ± 10V, 30mA output to 5.0 MHz, and low open-loop output im pedance (50 ohms at 10 KHz). H...
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| Veröffentlicht in: | Simulation (San Diego, Calif.) Calif.), 1968-05, Vol.10 (5), p.241-247 |
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| container_title | Simulation (San Diego, Calif.) |
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| creator | Naylor, Jimmy Ray |
| description | A new computer d-c amplifier designed for very fast as well as for real-time analog/hybrid computation combines large bandwidth (30 MHz gain-bandwidth product) and high mid-band gain (68 dB at 10 KHz) with full ± 10V, 30mA output to 5.0 MHz, and low open-loop output im pedance (50 ohms at 10 KHz). High d-c gain (120 dB) and exceptionally low drift (50 pA/°C, 2.5 μV/°C) is obtained with the aid of an inexpensive hot-substrate integrated- circuit preamplifier rather than with conventional chopper stabilization. A three-channel feedforward design employs an overcurrent-protected 30 mA class AB wideband output stage in the high-frequency channel, a feedback-equalized integrated-circuit operational amplifier as the intermedi ate-frequency channel, and the hot-substrate integrated differential amplifier stage as the low-frequency channel. Overcurrent protection makes the new amplifier short- circuit proof.
Table 1 shows the performance of the new d-c amplifier. |
| doi_str_mv | 10.1177/003754976801000506 |
| format | Article |
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| fulltext | fulltext |
| identifier | ISSN: 0037-5497 |
| ispartof | Simulation (San Diego, Calif.), 1968-05, Vol.10 (5), p.241-247 |
| issn | 0037-5497 1741-3133 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_1283676374 |
| source | SAGE Journals Online |
| subjects | Amplification Amplifiers C (programming language) Channels Computer simulation Gain Mathematical models Noise levels |
| title | A new high performance computer d-c amplifier |
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