DescriptionSpecifications
Models
Catalog PDF
70723 Wide Band Voltage Amplifier.
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Usable with These Oriel Detectors |
These amplifiers are usable with the following Oriel Detectors. |
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50 Ω Impedance |
BNC input and output connections provide easy interface to detectors and data collection and display electronics. The 50 Ω input impedance of the amplifiers is designed to match the impedance of the BNC cables. This prevents the formation of electronic echoes due to reflections at impedance-mismatched interfaces. These echoes show up as additional features with delays of approximately 3 ns per foot of cable length. |
External Power Source Needed |
The 70721 Amplifier requires a source of +15 VDC power and the 70723 Amplifier must be powered by an external ±12 V supply. Our 70703 Lab Power Supply was designed for this purpose. Or, you can use any low noise, linear, laboratory power supply. |
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| Voltage Gain | 40dB, 3dB points at 150Hz and 100MHz | 30dB ±20% DC to 350MHz (3dB) |
| Input Noise | 0.7 nV Hz-1/2 | 3 nV Hz-1/2 ±20% |
| Input Impedance | 50 Ω | 50 Ω (10 pF capacitance) |
| Output Load | 50 Ω | ≥50 Ω |
| Signal Connections | BNC | BNC |
| Power Requirements | ±15 VDC, 60 mA typical | ±12 VDC, 100 mA (no load) |
| Power Connections | Solder pins | Solder pins |
| Output Swing | ±2V at 50 Ω | ±3V into 50 Ω |
| Input Drift | N/A | 15 uV/°C typical |
| Offset | N/A | Trimpot adjustable |
| Polarity | Non-inverting | Non-inverting |
| Weight | 0.25 lb (0.1 kg) | 0.25 lb (0.1 kg) |