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Lock in Amplifier

Providing you the best range of lock in amplifier, fast current amplifier with adjustable gain dhpca-100, fast current amplifiers series hca, 200 mhz photoreceiver with variable gain, ghz broadband amplifier and broadcast / catv high power multi-port amplifier with effective & timely delivery.

Lock in Amplifier

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Approx. Rs 5 Lakh / PieceGet Latest Price

Product Details:

Usage/Application	gasoline, alcohol
Material	Stainless Steel
Color	Black
Speaker Channel	2.1
Size/Dimension	0.0995 to 1.030 gms/cc.
Country of Origin	Made in India

Lock-in amplifiers are used to measure the amplitude and phase of small AC signals in the presence of much larger noise levels. They are widely used to recover small optical signals such as those encountered in spectroscopy and studies of fluorescence and luminescence. However, they also have applications in many other fields including electronics and cryogenics where they can be used in component characterization, bridge networks and to measure the resistance of superconductors.

The output from a lock-in amplifier is a DC voltage proportional to the amplitude of the input signal but with the noise removed. It is also a function of the relative phase difference between the input signal and the associated reference signal. This property allows lock-in amplifiers to be used for measuring the phase properties of the input signal as well.

450DV2	NEW Multi channel Dual Phase DSP digital lockin amplifier.
410	Cased single phase analogue lockin amplifiers.
420	Cased dual phase analogue lockin amplifier.
430 441	OEM board single and dual phase analogue lockin amplifiers.
432 442	OEM board single and dual phase analogue lockin amplifiers with digital interface. Can be connected to µCs or µPs with 8 bit busses or to the parallel port of a PC.
Digital Lockins	New technology allows for multiple channel dual phase digital lockin amplifiers with high performance and low cost.

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Fast Current Amplifier With Adjustable Gain Dhpca-100

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Approx. Rs 10,000 / PieceGet Latest Price

Product Details:

Transimpedance	10 (2)
Low pass filter	Switchable to 1 MHz, 10 MHz or full bandwidth
casing	170 x 60 x 45 mm (L x W x H), weight 320 g
accuracy	Gain +- 1%
Input noise	180, pA
Rise Time	1.8 ns

Transimpedance from 10 ² to 10 ⁸ V / A
Bandwidth up to 200 MHz
Rise time up to 1.8 ns
Internal signal filter
Adjustable bias voltage
Settings on the device and via digital interface

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Fast Current Amplifiers Series HCA

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Approx. Rs 10,000 / PieceGet Latest Price

Product Details:

Gain Flatness	+- 0.3 dB
Input Bias Current	5 pA typ.
Input Bias Current Drift	factor 1.7 / 10 K
Input Offset Voltage	2 mV
Bias Output Voltage Range	+- 12 V, adjustable by bias trimpot
Lower Cut-Off Frequency	DC
Upper Cut-Off Frequency (- 3 dB)	1 MHz
Rise / Fall Time (10 % - 90 %)	350 ns

Bandwidth up to 400 MHz
Input noise down to a minimum of 270 fA / √Hz
Gain up to 10 ⁶ V / A
Optimized models for high source capacities up to 2 nF available
Adjustable bias for external photodiodes
Compact dimensions

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200 Mhz Photoreceiver With Variable Gain

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Approx. Rs 1 Lakh / PieceGet Latest Price

Product Details:

Minimum Order Quantity	1 Piece
Lower cut-off frequency	DC/100 Hz, switchable
Upper cut-off frequency	up to 200 MHz (see table below), switchable to 1 MHz or 10 MHz
Supply voltage	+-15 V
Spectral response	400 - 1000 nm
Dark current	0.12 nA typ.
Max. CW saturation power	see table below
Gain accuracy	+-1 %
Weight	320 g (0.74 lb.)
Material	AlMg4.5Mn, nickel-plated
Sensitivity R	0.58 A/W typ. @ 850 nm
Noise equivalent power (NEP)	see table below

Adjustable transimpedance gain from 10 ² to 10 ⁸ V / A
Bandwidth up to 200 MHz
InGaAs and Si model for the spectral range from 320 - 1700 nm
High input dynamic, linear up to 10 mW optical input power
Large detector areas up to 3 mm in diameter
Very low noise, NEP up to 47 fW / √Hz
Switchable low-pass filters to minimize broadband noise
Fiber optic and free beam input
1.035 "-40 free jet input thread, compatible with many standard optical systems
Settings can be made manually or via digital interface

Additional Information:

Delivery Time: 5-7 Weeks

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GHZ BROADBAND AMPLIFIER

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Approx. Rs 10 Lakh / PieceGet Latest Price

Product Details:

Model Name/Number	SERIES HSA
Weight	100 g (0.23 lbs)
Material	AlMg4.5Mn, nickel-plated
Gain	40 dB (x 100)
Gain accuracy	+-1 dB
Lower cut-off frequency	(-3 dB) 10 kHz
Rise/fall time	(10 % - 90 %) 290 ps
Transimpedance gain	5,000 V/A
Supply current	+140 mA

Ultra broadband, frequency range from 10 kHz to 2.5 GHz
Gain up to 60 dB (x 1,000)
Transimpedance amplification with photo detectors up to 50,000 V / A
Input noise up to 310 pV / √Hz (6.2 pA / √Hz)
Integrated DC current path for applications with photo detectors
Two identical signal outputs (HSA-Y)
DC monitor output (HSA-Y)

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BROADCAST / CATV High Power Multi-Port Amplifier

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Product Details:

Noise Figure	4.5 dB
PDG	0.5 dB
PMD	0.5 ps
Optical Isolation	30 dB
Return Loss	40 dB
Wavelength	1545 to 1565 nm

Multiple output ports Optical Analogue Amplifiers, with a 5 Watts overall optical output power capacity. Amplifier dedicated to the CATV or in version for Video Overlay. Multi-ouput ports with up to 10 Watts overall optical output power.

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100/200 MHZ Broadband Voltage Amplifier

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Approx. Rs 2.5 Lakh / PieceGet Latest Price

Product Brochure

Product Details:

Minimum Order Quantity	1 Piece
Material	AlMg4.5Mn,nickel-plated
Weight	560 g (1.24 lb)
Lower cut-off frequency	DC / 10 Hz,switchable
SERIES	DHPVA
Function	gain setting
Stabilized power supply output	+-12 V / max. 50 mA,+5V / max. 50 mA
Supply voltage	+-15 V
Input	BNC jack (female)
Rise/fall time (10 % - 90 %)	3.5 ns
Operating temperature	0 DegreeC ... +50 DegreeC
Gain accuracy	+-0.15 dB
Storage temperature	-40 DegreeC ... +85 DegreeC
Output	BNC jack (female)

Adjustable gain 10 to 60 dB (x3 to x1,000)
Bandwidth DC up to 100/200 MHz independent of the gain
DC drift 0.3 µV / ° C
Input noise 2.3 nV / √Hz
Switchable 10/20 MHz low-pass filter to minimize broadband noise
Settings can be made manually or via digital interface

Additional Information:

Delivery Time: 5-7 Weeks

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Low Noise Current Amplifier With Adjustable Gain Dlpca-200

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Approx. Rs 1 Lakh / PieceGet Latest Price

Product Details:

casing	170 x 60 x 45 mm (L x W x H), weight 320 g
Transimpedance	10 3
3-dB bandwidth [kHz]	500
Rise Time (10 % - 90%)	700 ns
Low pass filter	Switchable to 10 Hz
Equ. Input	20 pA

Transimpedance (gain) from 10 ³ to 10 ¹¹ V / A
Input noise up to 4.3 fA / √Hz
Bandwidth up to 500 kHz
Up to 700 ns rise time
Adjustable bias voltage
Settings on the device and via digital interface

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Low Frequency Voltage Amplifier Series Dlpva

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Approx. Rs 1 Lakh / PieceGet Latest Price

Product Details:

Gain values	40, 60, 80, 100 dB
Gain accuracy	+-1 %
Lower cut-off frequency	1.5 Hz
1/f-noise corner	100 Hz
Output current (max.)	+-20 mA
Supply voltage	+-15 V (+-14.5 V to +-16 V)

Adjustable gain up to 100 dB (x 100,000)
Bandwidth DC to 100 kHz
Input impedance up to 1 TΩ
DC drift minimal only 0.5 µV / ° C
Minimum input noise only 0.4 nV / √Hz
Setting option directly on the device or via digital interface

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Ultra-Low-Noise Current Amplifiers Series LCA

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Approx. Rs 1 Lakh / PieceGet Latest Price

Product Details:

Max. output current	+-10 mA (for linear amplification)
Accuracy	+-2 %
Lower cut-off frequency	DC
Input offset voltage	<0.5 mV
Input bias current	20 fA typ. / 30 fA max.
Input bias current drift	factor 2 / 10 DegreeC
Supply voltage	+-15 V

Input noise down to a minimum of 180 aA / √Hz
Bandwidth up to 400 kHz
Gain up to 10 ¹³ V / A
Flat frequency response
Compact dimensions

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Sub Femtoampere Stromverstarker Ddpca 300

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Approx. Rs 1,000 / PieceGet Latest Price

Product Details:

Minimum Order Quantity	1 Piece
Part Number	DDPCA-300
Adjustable low-pass filter	3 settings: full bandwidth, 0.7 Hz and 0.1 Hz
casing	170 x 60 x 45 mm (L x W x H), weight 320 g
Verstarkung	10 (4)
3-dB Bandbreite	400
Anstiegszeit*	0,8
Integriertes Eingangsrauschen	7 nA
Gain accuracy	+-1 %

Geringes Rauschen: min. 0,4 fA Spitze-Spitze
Einstellbare Verstärkung von 10⁴ bis 10¹³ V/A
240 dB Dynamik für Sub-fA bis mA Messungen
Einstellbare Spannung zum Vorspannen von Mess-Prüflingen
Kompaktes Design für den Einsatz direkt an der Signalquelle
Einstellungen manuell oder per Digital-Interface möglich

Additional Information:

Delivery Time: 5-7 week

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Logarithmic Voltage Amplifier Hlva-100

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Approx. Rs 1 Lakh / PieceGet Latest Price

Product Details:

Rise / fall time	5 ns @ 40 dB
Dynamic range	Switchable
Linearity	+- 1 dB (for pulses with a pulse width of at least 20 ns)
Control interface	Opto-coupler protected digital inputs, TTL / CMOS compatible
Supply Voltage	+- 15 V
Power Supply Voltage	+- 20 V

Wide dynamic range up to 80 dB
DC coupled input
Optional measuring ranges from ± 20 µV to ± 200 mV and from ± 200 µV to ± 2 V.
5 ns rise / fall time
2 nV / √Hz input noise
Settings on the device and remotely controllable via optocoupler
Integrated automatic zero point correction

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Miniature Lock-in Amplifier Module Series Lia-mv-150

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Approx. Rs 10,000 / PieceGet Latest Price

Product Details:

Minimum Order Quantity	1 Piece
Receipt sensitivity	Voltage: 3 V to 100 mV
Supply voltage	+- 15 V, +- 100 mA typ., +- 200 mA recommended
Output Channels	X = In Phase
casing	170 x 60 x 30 mm (L x W x H), weight 370 g
Demodulator	50 dB maximum dynamic reserve
Working frequency	10 Hz - 45 kHz

Current and voltage input
Working frequency up to 45 kHz
Adjustable sensitivity, time constant and phase
Control on the device and remote control option
Compact EMC-compliant housing

Additional Information:

Delivery Time: 5-7 Weeks

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200 Mhz Photoreceiver With Variable Gain Series Oe-300

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Approx. Rs 1 Lakh / PieceGet Latest Price

Product Details:

Minimum Order Quantity	1 Piece
Part Number	OE-300
Active area	1 mm x 1 mm (1 mm2 )
Lower cut-off frequency	DC/100 Hz, switchable
Model	OE-300-SI-10
Dark current	0.12 nA typ.
Detector	Si-PIN photodiode
Sensitivity R	0.58 A/W typ. @ 850 nm
Upper cut-off frequency	up to 200 MHz (see table below), switchable to 1 MHz or 10 MHz
Spectral response	400 - 1000 nm

Adjustable transimpedance gain from 10 ² to 10 ⁸ V / A
Bandwidth up to 200 MHz
InGaAs and Si model for the spectral range from 320 - 1700 nm
High input dynamic, linear up to 10 mW optical input power
Large detector areas up to 3 mm in diameter
Very low noise, NEP up to 47 fW / √Hz
Switchable low-pass filters to minimize broadband noise
Fiber optic and free beam input
1.035 "-40 free jet input thread, compatible with many standard optical systems
Settings can be made manually or via digital interface

Additional Information:

Delivery Time: 5-7 Weeks

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Low Frequency Voltage Amplifier

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Approx. Rs 1 Lakh / PieceGet Latest Price

Product Details:

Maximum Single Supply Voltage	+-15 V (+-14.5 V to +-16 V
1/f-noise corner	100 Hz
for linear amplification	+-90 mV
Output current (max.)	+-20 mA
Supply current	+-55 mA typ. (depends on operating conditions
Lower cut-off frequency	1.5 Hz
Upper cut-off frequency	100 kHz, 12 dB/Oct switchable to 1 kHz, 6 dB/Oct

Adjustable gain up to 100 dB (x 100,000)
Bandwidth DC to 100 kHz
Input impedance up to 1 TΩ
DC drift minimal only 0.5 µV / ° C
Minimum input noise only 0.4 nV / √Hz
Setting option directly on the device or via digital interface

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Ghz Ultra- Broadband Voltage Amplifier

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Approx. Rs 1 Lakh / PieceGet Latest Price

Product Details:

Part Number	SERIES - DUPVA
Signal output reverse DC voltage	+16 V / ---12 V
Weight	510 g (1.1 lb)
Signal output reverse power	+13 dBm
Signal input DC voltage	+-16 V
Control input voltage	+16 V / -5 V
Gain values	20, 30, 40, 50, 60 dB
Material	AlMg4.5Mn, nickel-plated
Signal input power	+13 dBm
Power supply voltage	+-17 V
Gain accuracy	+-0.1 dB
Gain flatness	+-0.15 dB
Group delay	2.2 ns