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Download HFAM - 26 - Photonic Solutions
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HFAM - 26 8 Channel GHz Wide Band Amplifier with Overload Detection for PMTs or MCPs • Cutoff frequency 1.6 GHz • Gain 26 dB • Input and Output Impedance 50 Ω • Low Frequency Limit < 5kHz • Input Protection • Monitoring of Detector Current / Overload Warning The HFAM series amplifiers are used to amplify the output signals of high speed PMTs or MCPs, especially in single photon counting applications. The gain of the amplifier allows the detector to be operated at reduced signal current which extends the lifetime of MCP tubes. Furthermore, the amplifier gain helps to reduce noise pickup in long signal cables. The amplifiers have an input protection circuit which avoids damage by overload or by charged signal cables. Furthermore, a LED indicates an overload condition if the average detector currents of one or more channels excceed a specified value. Becker & Hickl GmbH Nahmitzer Damm 30 12277 Berlin Tel. +49 / 30 / 787 56 32 Fax. +49 / 30 / 787 57 34 http://www.becker-hickl.de email: [email protected] intelligent measurement and control systems HFAM - 26 Input / Output Impedance Connectors Gain Bandwidth Low Cutoff Frequency Max. Linear Output Voltage Noise Figure 50 Ω SMA 26 dB, non inverting 1.6 GHz 5 kHz 1V 5 dB Detector Overload Current (Imax, please specify) Detector Overload Warning Current Warning Response Time Power Supply Voltage Power Supply Current Dimensions 0.1 µA (for MCPs) or 10 µA (for PMTs) red LED at Imax 1 ms +12 ... +15 V typ. 320 mA 110 x 60 x 30 mm A Step Response (A) and Crosstalk between Adjacent Channels (B) B 1ns/div 80mV/div GND 500 ps / div 200 mV / div +12V Power Supply Connector Pin Assignment HFAM Impulse Response Becker & Hickl GmbH Nahmitzer Damm 30 12277 Berlin Tel. +49 / 30 / 787 56 32 Fax. +49 / 30 / 787 57 34 http://www.becker-hickl.de email: [email protected] ! "# $%&'())** +$%&'()) , $ #- ../ 0#$111. ../ intelligent measurement and control systems