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Voltage Preamplifiers
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JFET Voltage Preamplifier
SIM910
Stanford Research Systems, Inc.
The SIM910 and SIM911 are low-noise, programmable preamplifiers which are ideal for a wide range of small signal applications. The primary differences between the two models are their input impedance and input noise.
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Single And Dual 32k Digital MCA & Pulse Processor
Hexagon Family
Hexagon is a high precision 32k MCA available in single and dual input channel versions. This compact, high performance desktop MCA includes features such as an input stage for signal conditioning, a fast analog-to-digital converter (ADC), digital signal processing algorithms, High Voltage and Preamplifier outputs for detector bias and preamp power. Hexagon is ideally suited for applications using high energy resolution semiconductor detectors such as HPGe, Silicon, CZT as well as scintillation detectors such as NaI and LaBr3. It can manage both positive and negative signals from resistive feedback or transistor reset preamplifier detectors as well as signals coming from PMT anodes.
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Low Noise Voltage Preamplifier
1201
The Model 1201 Voltage Preamplifier with Remote Gain Programming Option (06) is usable in both computer controlled and maual applications requiring uncompromising performance.
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Lock-In Voltage Preamplifier
SR550
Stanford Research Systems, Inc.
The SR550 Voltage Preamplifier is designed to work with any SRS lock-in amplifier. Preamplifiers provide gain close to the experimental detector, before the signal-to-noise ratio is permanently degraded by cable capacitance and pickup
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Lock-In Voltage Preamplifier
SR552
Stanford Research Systems, Inc.
The SR552 Voltage Preamplifier is designed to work with SRS lock-in amplifiers, providing gain where it is needed most?right at the experiment. The preamplifier minimizes noise and pickup in the connecting lines and can reduce measurement time in noise-limited experiments.
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BJT Voltage Preamplifier
SIM911
Stanford Research Systems, Inc.
The SIM910 and SIM911 are low-noise, programmable preamplifiers which are ideal for a wide range of small signal applications. The primary differences between the two models are their input impedance and input noise.
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1 MHz Bandwidth Voltage Preamplifier with Bandpass Filter
EC6081 mk2 - preamplifier
The EC6081 mk2 (VP2000) is a 1MHz bandwidth voltage preamplifier with bandpass filter that is designed for uses in conjunction with piezoelectric hydrophones. VP2000 offers excellent low-noise performance over the entire frequency range; and adjustable gain selection. A range of 12 high-pass and 12 low-pass filters are available, these allow ideal band pass filter settings.
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Low-Noise Voltage Preamplifier
SR560
Stanford Research Systems, Inc.
The SR560 is a high-performance, low-noise preamplifier that is ideal for a wide variety of applications including low-temperature measurements, optical detection, and audio engineering
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DC-Powered, AC Voltage Monitor
VAD/VQD
NAI’s VAD and VQD are DC-Powered, AC Voltage Monitors used to monitor voltage characteristics of single- or three-phase power lines. This allows normal operation of system loads when the power-line characteristics are within pre-determined limits. These voltage monitors are ideally suited for rugged defense and industrial applications.
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Microphone Preamplifier
426E01
Nominal Microphone Diameter: 1/2 Gain -0.05 dBFrequency Response (0.1 dB) (re 1 kHz)6.3 to 125000 HzFrequency Response (-3 dB) (re1 kHz) Phase Linearity (<1 )32 to 20000 Electrical Noise (A-weight)<2.8 V<2.8 V[1] Output Slew Rate 2 V/S[2]
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Microphone Preamplifier
426B03
Performance: Nominal Microphone Diameter:1/4"Frequency Response: (0.1 dB) (re 1 kHz)5 to 126000 Hz5 to 126000 Hz Frequency Response
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Microphone Preamplifier
HT426E01
Nominal Microphone Diameter1/2Frequency Response Electrical Noise(at 22 C) (Flat 20 Hz to 20 kHz)Distortion (3 V rms input at 1 kHz)<-70 dB<-70 dB[1] EnvironmentalTemperature Range (Operating)-40 to +248 FExcitation Voltage 20 to 32 Constant Current Excitation 2 to 10 mA
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Programmable Current Preamplifier
99539
The Model 99539 is a modular, multi-channel current preamplifier with parallel, logic level, gain control input. It consists of circuit boards which plug into a 3 1/2" high by 19" wide rack chassis.
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Precision Current Preamplifier
SIM918
Stanford Research Systems, Inc.
The SIM918 Current Preamplifier is ideal in applications in which the input offset voltage must be kept to a minimum. The DC voltage difference between the two inputs (current input and voltage bias) is accurately measured every 2 seconds, and is nulled.
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Microphone Preamplifier
426A11
1/2-inch ICP preamplifier with gain and filter switches (for prepolarized microphones)ICP(R) low noise preamplifier with gain, filters, and TEDS
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Saluki SE4002 FET Input Preamplifier
The SE4002 is a low-noise, ultra-high input impedance preamplifier with excellent common-mode rejection. It is designed to work with any Saluki digital lock-in amplifier. The preamplifier minimizes noise and pickup in the connecting lines and reduces measurement time in noise-limited experiments.
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AC-Powered, AC Voltage Monitor
VAA/VQA
NAI’s VAA and VQA are AC-Powered, AC Voltage Monitors used to monitor voltage characteristics of single- or three-phase power lines. This allows normal operation of system loads when the power-line characteristics are within pre-determined limits. These voltage monitors are ideally suited for rugged defense and industrial applications.
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External Pre-amplifiers
Although all Spectrum A/D cards have a very powerful input section with a highly configurable input amplifier and a variety of input ranges it is sometimes necessary to have additional external amplifiers if the signal to acquire has an extremely low level. Spectrum offers a range of perfectly matching external amplifiers to cover such cases. These powerful amplifiers have been rated using the Spectrum cards and offer best performance together with high amplification rates.The amplifiers are simply connected between the signal source and the Spectrum A/D card input and can be manually switched between different settings using small lever keys. All amplifiers allow the offset compensation by using an adjustable screw.
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Preamplifiers
The primary function of a preamplifier is to extract the signal from the detector without significantly degrading the intrinsic signal-to noise ratio. Three basic types of preamplifiers are available: the current-sensitive preamplifier, the parasitic-capacitance preamplifier, and the charge-sensitive preamplifier. ORTEC manufactures a preamplifier to fit your detector, your application, and your budget.
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Transformer Preamplifier
SR554
Stanford Research Systems, Inc.
The SR554 is a low-noise, transformer-coupled preamplifier optimized for source impedances between 0.05 Ω and 1 kΩ. With an input noise of only 0.1 nV/√Hz, the SR554 can be used in a wide range of low-noise applications.
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Microphone preamplifier
PRE-01
The microphone preamplifier PRE-01 has been designed to match Audiomatica’s microphones MIC-01, MIC-02 andMIC-03. It is particularly useful when the microphone has to be operated far from the analyzer or when weighted measurements are needed. PRE-01 powers the microphone connected to its input with an 8.2V phantom supplyand adds a selectable weighting filter (A or B or C); also available there is a 20 dB gain stage
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RX Pre-Amplifier System
RAM-34
The RAM-34 is a complete pre-amplifier system designed primarily for the low bands 160M thru 40M. It has inputs for four receive antennas and internal 3-pole bandpass filters for 160M, 80M and 40M. In addition to the pre-amplifier, it has a step attenuator that togetherwith the amplifier stage provides gains from -20 dB to +20 dB in 5 dB steps. This allows equalizing the signal levels between the antenna inputs. Gain settings are memorized for each antenna on each band. Different types of receive antennas have different signal levels and the gain memories eliminate the need to adjust the receiver or pre-amplifier when switching between the antennas.
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Low Noise Current Preamplifier
SR570
Stanford Research Systems, Inc.
The SR570 is a low-noise current preamplifier capable of current gains as large as 1 pA/V. High gain and bandwidth, low noise, and many convenient features make the SR570 ideal for a variety of photonic, low temperature and other measurements.
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Voltage Tester
PeakTech Prüf- und Messtechnik GmbH
Uses voltage detection technology for the detection of voltage in cables, cords, circuit breakers, lighting fixtures, switches, outlets and wires.
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Voltage Meter
MN6I
The mezzanine is designed to measure instantaneous voltage values through six isolated channels with differential inputs.
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Current Preamplifier
1211
The model 1211 Current Preamplifier was designed to provide all of the features required of a modern laboratory preamplifier. It measures cur rents with full scale sensitivity ranging from 10 to 10 amperes.
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USB Preamplifier, 10 MHz to 4 GHz
U7227A
The U7227A, 10 MHz to 4 GHz USB preamplifier is designed to bring reliable gain and low noise figure to measurement systems improving the overall system performance and reduce systematic errors; a total solution to the X-Series signal analyzers to perform noise figure measurements.
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Voltage Rectifier
A voltage rectifier, designed and manufactured by Monex GeoScope Pty. Ltd., has been added to the terraTEM suite of products. The voltage rectifier has been designed to provide 6 kW, 120 V, 50 A output and is the ideal rectifier to guarantee the necessary stable, ripple free current for the full range of Monex GeoScope’s transmitters. This includes the internal transmitters for the terraTEM24 (50 A, 120V), terraTEM (15 A, 24 V) and the terraTX-50 external transmitter (50 A, 250 V). In addition, the voltage rectifier outputs a clean, filtered 24 V suitable for powering either the terraTEM24 console or terraTX-50 console electronics. And the output stability of the voltage rectifier is not disturbed by the fast turn-off times available on the Monex GeoScope transmitters.
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Preamplifier, 100 MHz to 18 GHz
87405C
Exceptional gain (25 dB) and flatness (1.5 dB) combined with a probe-power bias connection which eliminates the need for an additional DC power supply, makes these preamplifiers the ideal choice for spectrum analyzer or stand alone applications.
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Voltage Probe
Vernier Software & Technology, LLC
The Go Direct Voltage Probe combines a wide input voltage range and high precision, making it an excellent choice for lab investigations of both AC/DC circuits and electromagnetism. Use this differential probe to measure the voltage in simple circuits, to study basic principles of electrochemical cells, or to investigate the resistivity of different metals.
