Transcript
Datasheet
HCA-10M-100K-C High Speed Current Amplifier
Features
Bandwidth and Frequency Response Independent of Detector Capacitance (up to 150 pF) Low Noise 3.5 pA/√ √Hz Equivalent Input Noise Current Bandwidth DC ... 10 MHz 5 Transimpedance (Gain) 1 x 10 V/A Protection against ± 3.5 kV Transients
Applications
Photodiode and Photomultiplier Amplifier Spectroscopy Charge Amplifier Ionisation Detectors Preamplifier for Lock-Ins, A/D Converters, etc.
Specifications
Test Conditions
Vs = ± 15 V, Ta = 25°C
Gain
Transimpedance Gain Accuracy
1 x 10 V/A (@ 50 Ω load) ±1%
Frequency Response
Lower Cut-Off Frequency Upper Cut-Off Frequency (- 3 dB) Rise / Fall Time (10 % - 90 %) Gain Flatness
DC 10 MHz 35 ns ± 0.3 dB
Input
Equ. Input Noise Current Equ. Input Noise Voltage Input Bias Current Input Bias Current Drift Offset Current Compensation Input Current Range Input Offset Voltage DC Input Impedance
3.5 pA/√Hz (@ 100 kHz) 0.8 nV/√Hz (@ 100 kHz) 18 µA typ. 0.8 nA / K ± 20 µA adjustable by offset trimpot ± 15 µA (for linear amplification) 3 mV 50 Ω (virtual) // 5 pF
Output
Output Voltage Range Output Impedance
± 1.5 V (@ 50 Ω load) for linear operation and low harmonic distortion 50 Ω (terminate with 50 Ω load for best performance)
Bias Output Voltage Range Bias Output Impedance
± 12 V, adjustable by bias trimpot 10 kΩ // 1 µF
Bias Output
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DE-HCA-10M-100K-C/DS/R2/02NOV05/ Page 1 of 3
SOPHISTICATED TOOLS FOR SIGNAL RECOVERY Great Britain: LASER COMPONENTS (UK) Ltd., Phone: +44 1245 491 499, Fax: +44 1245 491 801,
[email protected] France: LASER COMPONENTS S.A.S., Phone: +33 1 3959 5225, Fax: +33 1 3959 5350,
[email protected]
Datasheet
HCA-10M-100K-C High Speed Current Amplifier
Specifications (continued) Power Supply
Supply Voltage Supply Current
± 15 V ± 50 mA typ. (depends on operating conditions, recommended power supply capability minimum ± 150 mA)
Case
Weight Material
210 g (0.5 lbs) AlMg4.5Mn, nickel-plated
Temperature Range
Storage Temperature Operating Temperature
-40 ... +100 °C 0 ... +60 °C
Absolute Maximum Ratings
Input Voltage Input Voltage Transient Power Supply Voltage
±5V ± 3.5 kV (pulsewidth 10 ns) ± 22 V
Connectors
Input Output Power Supply
BNC BNC LEMO series 1S, 3-pin fixed socket Pin 1: + 15V Pin 2: - 15V Pin 3: GND PIN 2 -Vs
PIN 1 +Vs PIN 3 GND
Application Diagrams
Photo Detector Biasing in Photoconductive Mode: Best choice for high speed applications and optimum signal to noise performance.
U se ad ditio na l Bypass C apacitor close to D e te ctor (~ 100 n F, C e ra m ic)
STABILIZ E D BIAS VO LTAG E O U TP U T
HCA
CURRENT IN P U T
H ig h -S pee d C urren t to Voltag e C onve rter
I/U
C onn ect the D e te ctor a s close as p ossible to th e Am plifier.
+1 2 V
BIAS 10 kΩ 4 70 nF -1 2 V A Z 0 1 -0 2 0 1 -2 0
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SOPHISTICATED TOOLS FOR SIGNAL RECOVERY Great Britain: LASER COMPONENTS (UK) Ltd., Phone: +44 1245 491 499, Fax: +44 1245 491 801,
[email protected] France: LASER COMPONENTS S.A.S., Phone: +33 1 3959 5225, Fax: +33 1 3959 5350,
[email protected]
Datasheet
HCA-10M-100K-C High Speed Current Amplifier
Dimensions
94 mm 87 mm
15 mm
74 mm
OUT
12 mm
51 mm
HCA
44 mm
IN
POWER
22 mm
∅ 3.3 mm
27 mm
14 mm
41 mm
DZ01-0201-22
12/07 / V1 / HW / femto/current/ hca-10m-100k-c.pdf
www.lasercomponents.com
Specifications are subject to change without notice. Information furnished herin is believed to be accurate and reliable. However, no responsibility is assumed by FEMTO Messtechnik GmbH for its use, nor for any infringement of patents or other rights granted by implication or otherwise under any patent rights of FEMTO Messtechnik GmbH. Product names mentioned may also be trademarks used here for identification purposes only. by FEMTO Messtechnik GmbH Printed in Germany
SOPHISTICATED TOOLS FOR SIGNAL RECOVERY Great Britain: LASER COMPONENTS (UK) Ltd., Phone: +44 1245 491 499, Fax: +44 1245 491 801,
[email protected] France: LASER COMPONENTS S.A.S., Phone: +33 1 3959 5225, Fax: +33 1 3959 5350,
[email protected]
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