Audio Amplifiers
This topic is for test equipment that is designed for the testing of audio amplifiers.
See Also: Amplifiers, RF Amplifiers, Preamplifiers, Current Amplifiers, Voltage Amplifiers, Transconductance Amplifiers, Op Amps, Klystron, Instrumentation Amplifiers, Distribution Amplifiers
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Product
Gain Block Amplifiers
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Qorvo designs and manufactures a wide selection of general-purpose, internally matched MMIC amplifiers that are targeted for many applications in network infrastructure and defense / aerospace. These components showcase the wide range of performance capabilities using Qorvo's processes. Our general-purpose gain blocks are internally matched and offer various gain and linearity levels in a variety of package types, giving customers many options for system design.
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Product
Amplifiers And Linear ICs
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For the simplest to the most complex designs, our extensive portfolio of amplifiers and comparators enables you to develop low-risk solutions with minimal risk of a forced redesign. These devices are also backed by our client-driven obsolescence practice of continuing to supply a product for as long as possible and while demand for the product exists.
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Product
C-Band Separate Dispersion Compensation Raman Fiber Amplifier
DRA5228/F
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Hangzhou Huatai Optic Tech. Co., Ltd.
Raman Fiber Amplifier (RFA) utilizes the optic gain in the Stimulated Raman Scattering (SRS) in the optical fiber and realizes the amplification of the signal optic. FRA, with very low equivalent noise and a wide gain scope, can further widen the gain bandwidth by adopting multi-wavelength optical bump, which represents the development direction of the new optical fiber amplifier.
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Product
FTTx PON Optical Amplifier (1540~1563nm)
HA5800A (1RU)
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Hangzhou Huatai Optic Tech. Co., Ltd.
HA5800A (1RU) series is a low noise, high performance, FTTP high power, multi-ports optical amplifier with gain spectrum band within 1540~1563nm. Each output port for optical amplifier has built-in well-performed CWDM. Every external up-link optical port of optical amplifier can connect with OLT PON port very conveniently. Each 1550nm (CATV)'s output optical port multiplex 1310/1490n's data stream, in order to reduce the quantity of the component and improve the index and reliability of the system.
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Product
Limiting Amplifiers
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Chengdu KeyLink Microwave Technology Co., Ltd.
Keylink's limiting amplifiers use FET device with good consistency and distributed traveling wave amplifying circuit to design. Good amplitude and phase consistency characteristics can be achieved in a wide input dynamic range. It's the key component of the electronic system. Keylink's limiting amplifiers can be categorized as follows.
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Product
Galvanic Isolation Amplifier
X005 Series
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The X005 Galvanic Isolation Amplifier provides a regulated and resistively limited +5V dc power supply required by the sensors, it can be connected in three or five wire modes. Used in five wire mode positive and negative sense inputs enable the X005 to dynamically adjust the sensor supply thus ensuring the correct voltage across the sensor. Connected in this way the X005 can compensate for 15 conductor resistance. The sense terminals are linked internally so the end user can use the X005 in three wire or five wire mode without the need to fit or remove external links.
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Product
Programmable Oscillator Amplifier
Amplifier
Computer Conversions Corporation
The Computer Conversions Corporation POA90-3 is a programmable quadrature oscillator with a built-in power amplifier, capable of driving current loads of up to 200mA. The sinusoidal outputs are 2.5Vrms signals that are phased 90° apart as REF out and REF out +90 (Quadrature), allowing the unit to be used with Synchro, Resolver, LVDT/RVDT, Inductosyn, or similar inductive transducers.
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Product
Broadband Power Amplifier
PAS-00210-80
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* Solid State Power Amplifier* Small Signal Gain: 50 dB typ.* Rack Mount Case* Internal Cooling Fans* Type N Connectors* Over-voltage, over-current protections* Microprocessor controlled (optional)* Current monitor (optional)* Ethernet interface (optional)* Variable Gain (optional)* ALC power control (optional)
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Product
Current Sense Amplifiers
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Analog Devices’ current sense amplifiers offer excellent performance for a wide array of automotive and power management applications. These devices accurately amplify small voltages in the presence of large common-mode voltage, and provide high bandwidth, as well as level shifting and bidirectional capability. Excellent dc and ac accuracy over a wide temperature range from –40°C to +125°C minimizes errors in your measurement loop while not sacrificing on cost and package size.
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Product
Audio Video Controllers
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Most of our cameras can operated remotely. The controllers allow to control the functions of the cameras:– Zoom– Focus– Audio– Pant/Tilt– optionally iris– LANThe controllers convert the optical signal to electrical signalsFor most controllers there is the option to integrate an Ethernet interfaceMost of the controllers can be equipped with an option for shielded intercom. The microphone is either integrated in the housing or a separate microphone can be used.If more than one camera is in use (e.g. one fixed and one mobile camera) multi controllers allow to control several cameras with one device.Up to 4 cameras can be connected to one multi controller. Each camera can be connected to a separate monitor each one monitor can show the selected camera.
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Product
Lock-In Amplifiers
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Anfatec's lockin amplifiers use a unique DSP technology which is only found in these instruments. High speed real-time data processing is combined with optimized analogue input stages. Fully digitally designed high quality filtering ensures an excellent suppression of background signals and an unsurpassed dynamic reserve.
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Product
20GHz 30dBm RF Signal Amplifier
A10200
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Model A10200 is an ultra-small footprint, ultra wideband, high power amplifier designed for high frequency, high power, signal amplification. With an ultra high bandwidth of almost 20GHz and up to +28dBm power into 50 ohms, the A10200 is the ideal complimentary amplifier to any signal source that needs an extended power boost for demanding applications.
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Product
Fiber Transmitter With Fiber Amplifier
FTFA 844
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- Auto Switch over from Fiber to RF & Vice versa- Works as Transmitter & Fiber Amplifier- AGC / MGC - Automatic & Manual Gain Control- Very High MER / BER- High Quality DFB Lasers with Isolators- RF Input : 78dB ~ 90dB- Optical Input : -8dBm ~ +2dBm- Optical Wavelength : 1310nm- Power : 110VAC ~ 240VAC, 50HzSpecifications:- Bandwidth: 47 ~ 860 MHz- Input RF Level: 75 ~ 85dBuV- Input Optical Level:- -8dBm ~ +3dBm- SMPS Power Supply:- 110V AC ~ 265V AC- Power Consumption: 50Watt- AGC Range: 0 ~ -8dBm
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Product
Linear High Efficiency Power Amplifier
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Chengdu KeyLink Microwave Technology Co., Ltd.
Keylink's high efficiency linear power amplifiers are available for operating frequencies from 1MHz to1 GHz with output power from 1 to 100 watts. Combined with linear design, these linear power amplifiers provide ultra low distortion, suitable for multi-band, multi-mode communication applications. With built-in monitor circuits, Keylink's power amplifier assure consistent performance in terms of reliability. KeyLink's linear power amplifiers can be categorized as follows:
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Product
E-Band Low Noise Amplifier MMIC
AWL-7186
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The AWL-7186 is a 4-stage ultra-low noise amplifier that provides a noise figure of less than 3.5 dB, an output P1dB of +8 dBm, and an adjustable gain range of 15 dB. The MMIC features exceptional gain flatness and superior noise performance over a very wide bandwidth. It is implemented in 0.1 um GaAs PHEMT technology.
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Product
Audio Analyzer and Digital Audio Bus Module
DP-cPCI-5667
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DP-cPCI-5667 is a 6U cPCI Audio Analyzer and Digital Audio Bus Module. This card implements low speed digital audio bus, high speed digital audio bus and audio analyzer features. It is used for general purpose analogue audio analysis and supports low speed digital audio bus and high speed digital audio bus protocols.
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Product
SHARC Audio Processors/SoCs
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Featuring the Analog Devices SHARC® and SHARC+® digital signal processing (DSP) core technologies, the SHARC audio processor portfolio offers deterministic and very low processing latency with best-in-class MIPS/mW performance. The SHARC processor family dominates the floating-point DSP market with exceptional core and memory performance and outstanding I/O throughput. With multiple product variants and price points, SHARC brings real-time floating-point processing performance to many applications where dynamic range is key.
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Product
Time & Frequency Distribution Amplifiers
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Brandywine offers a wide range of high quality, state of the art signal timing distribution amplifiers, all with very low phase noise. These precision timing signal distribution amplifiers offer a variety of time and frequency signals and interface formats including IRIG A, IRIG B, Have Quick, 1PPS, as well as low phase noise reference frequencies. All of our distribution amplifiers feature dual inputs with automatic failover and multiple independently buffered outputs.
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Product
Variable Gain Amplifiers
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50 dB Gain, 14 dBm P1dB, 100 MHz to 18 GHz, Rack Mount, Variable Gain Amplifier, 6.5 dB NF, SMA
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Product
2-Ch Sensor Amplifier
SR-2210
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The SR-2210 sensor amplifier accepts constant-current line drive sensors and connects the signal to analyzers and recorders that would not otherwise be compatible with constant-current sensors.The units connects directly with BNC connectors to ONO's model MI-3111 microphone preamplifiers and NP-3000 series of accelerometers.With compact, light-weight, battery operation, it can save for preparation of measurement.
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Product
DC-Coupled Pulse Amplifiers
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These DC-coupled pulse amplifiers are available in a simple DC-power module format, and are also available in an AC-powered benchtop instrument format. All models will drive a 50 Ohm load.
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Product
Dual Channel High Voltage Linear Amplifier
F20AD
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This unit contains two independent F20A amplifiers that share common ground reference and power supply.
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Product
LINEAR AMPLIFIERS
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These amplifiers are designed to extend the output range of low voltage signal sources. They are general purpose devices with a very low output impedance and fast response. The output is linear from DC up to megahertz range.
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Product
Isolation Amplifiers
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Isolation Amplifiers provide power supply designers with a higher performing, single chip alternative to isolation techniques based on optocouplers and shunt regulators. Analog Devices ADuM3190 and ADuM4190 isolated error amplifiers have a 400 kHz bandwidth, with 0.5% typical initial accuracy at 25°C and 1% total accuracy over the extended temperature range of –40˚C to +125˚C. This provides manufacturers of ac-to-dc and dc-to-dc power supplies with a significant upgrade in speed and operating temperature range, as well as a 5× improvement in transient response.
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Product
Variable Gain Optical Amplifier Module
VGA4700-FM06
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Hangzhou Huatai Optic Tech. Co., Ltd.
Huatai VGA4700-FM06 series is a next generation variable gain optical amplifier module, which with the most excellent performance and most completes functions in the market. It adopts nowadays most excellent optical performance, most advanced electronic technology and most complete software functions. Remarkable transient suppression control technology and heat management control technology let many complicated optical functions achieved. It is the most versatile multifunction optical amplifier in the market.
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Product
Amplifier Characterization With Wideband Modulated Signal
N5245BV
Amplifier
The N5245BV provides the N5245B 50 GHz PNA-X network analyzer, application software and accessories for amplifier measurements with modulated signal such as EVM, NPR and ACPR in addition to gain, gain compression, IMD and other measurements.
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Product
Scaling Amplifier
SIM983
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Stanford Research Systems, Inc.
The SIM983 Scaling Amplifier provides fine adjustable gain and offset control for analog signals. Both gain and offset are set with 3½ digits of resolution, and the signal path has more than 1 MHz of bandwidth.
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Product
Transimpedance Amplifiers
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Advanced Science and Novel Technology, Co., Inc.
Broadband transimpedance amplifier for low noise receiver side applicationsFeatures automatic input offset control and a peak detector8GHz of analog bandwidth for limiting of input data60dB of transimpedance differential gain15pA/sqrtHz of input referred noise density (0.1 to 10GHz)CML output interface with 50 termination and 225mVp-p single-ended swingSingle +3.3V power supplyPower consumption: 250mWExhibits low jitter and limited temperature variation over industrial temperature rangeUnpackaged bare die
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Product
Audio Analyzer
BK2110
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The BaKo BK2110 Audio Analyzer is a 2 channel Digital Signal Processing (DSP) based system so you can analyze a stereo signal from an acoustic device. And because it is DSP based, it can quickly and accurately test high quality digital audio devices. All test items can be measured simultaneously and you can see them in real time or, using the LAN interface, send them to a computer system to analyze.
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Product
Audio Spectral Analysis Freeware
PSELab
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Power Spectrum Estimation Laboratory
"PSE Lab" is a freeware Windows application useful to estimate power spectrum and time frequency distribution of signals. To estimate power spectrum, the application uses following methods: periodogram; using the simplex algorithm to estimation of complex exponential model optimal parameters; using the quasi-Newton algorithm to estimation of complex exponential model optimal parameters; least squares Prony method; modified least squares Prony method; Burg method; modified covariance method; MUSIC..
