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MICRO-CONTROLE / Spectra-Physics
Oriel Wide Bandwidth Voltage Amplifiers

Oriel Wide Bandwidth Voltage Amplifiers

Product catalog summary

Overview: The document provides technical specifications and usage information for the Oriel Wide Bandwidth Voltage Amplifiers, specifically models 70721 and 70723, which are designed for use with fast detectors of pulsed radiation.

Specifications:

Voltage Gain: Model 70721 offers a gain of 40 dB with 3 dB points at 150 Hz and 100 MHz, while model 70723 provides a gain of 30 dB ±20% from DC to 350 MHz.
Input Noise: 70721 has an input noise of 0.7 nV Hz^-1/2, and 70723 has 3 nV Hz^-1/2 ±20%.
Input Impedance: Both models have a 50 Ω input impedance, with 70723 also having 10 pF capacitance.
Output Swing: 70721 outputs ±2V at 50 Ω, while 70723 outputs ±3V into 50 Ω.
Power Requirements: 70721 requires ±15 VDC, 60 mA, and 70723 requires ±12 VDC, 100 mA.

Compatibility: These amplifiers are compatible with various Oriel detectors, including PMT, InGaAs, and Silicon detectors.

Connections: Both models use BNC input and output connections, facilitating easy integration with detectors and data collection systems.

Power Supply: An external power source is necessary, with the 70703 Lab Power Supply recommended for this purpose.

Ordering Information: The document lists model numbers and descriptions for ordering, including standard BNC cables and laboratory power supplies.

Additional Information: A dimensional diagram is provided for the amplifiers, and further details can be found on the manufacturer's website.

Catalog excerpts

Oriel Wide Bandwidth Voltage Amplifiers -1

S p e c t r o s c o p y I n s t r u m e n t s 1249 Email: [email protected] • Web: newport.com MONOCHROMATORS AND SPECTROGRAPHS SINGLE CHANNEL DETECTION SYSTEMS MINISPECTROMETERS BENCHTOP SPECTROMETERS AND CCD CAMERAS FT-IR SPECTROMETERS ACCESSORIES FOR SPECTROSCOPY INSTRUMENTS Oriel Wide Bandwidth Voltage Amplifiers 70723 Wide Band Voltage Amplifier. The 70721 and 70723 Voltage Amplifiers are optimized for use with our fast detectors of pulsed radiation. The output of PMT, Si, InGaAs, and HgCdZnTe detectors, or any other source of low voltage signals which will not be loaded down by the 50 Ù amplifier input impedance, can be amplified by these devices. The 70721 and 70723 bring these low level voltages to a value more suitable for displaying on an oscilloscope. Usable with These Oriel Detectors These amplifiers are usable with the following Oriel Detectors. Table 1 Compatible Oriel Detectors for 70721 and 70723 Amplifiers Oriel Detector Reference Page Number Any PMT page 1233 InGaAs page 1238 Silicon page 1236 50 Ù Impedance BNC input and output connections provide easy interface to detectors and data collection and display electronics. The 50 Ù 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 (described on page 1247) was designed for this purpose. Or, you can use any low noise, linear, laboratory power supply. • 3 dB points up to 350 MHz • Gains to 40 dB • Noise down to 0.7 nV Hz-12 • Output swing to ±3 V into 50 Ù Specifications 70721 70723 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 Ù 50 Ù (10 pF capacitance) Output Load 50 Ù 50 Ù 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 Ù ±3V into 50 Ù 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) Ordering Information Model Description 70721 100 MHz Voltage Amplifier 70723 350 MHz Voltage Amplifier 70015 Standard BNC Cable (Plug - Plug Terminations) 3ft for connecting to oscilloscope or other display devices 70030 50Ù BNC termination 70703 Laboratory Power Supply, 115 V 70709 Laboratory Power Supply, 230 V See our website WEBfor more info 0.90 (23) 1.91 3.44 (48) (87) SERIAL NO. MODEL NO. INPUT 70723 94040722 U.S.A. POWER - + OUTPUT Fig. 1 Dimensional diagram of 70721/70723 Voltage Amplifiers.

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