SRS Stanford Research Systems SR510 Усилитель
Производитель:
Модель:
SR510
Дата:
1989
Категория:
Группа:
Описание:
LOCK-IN AMPLIFIER

Информация

General Power 100, 120, 220, 240 VAC (50/60 Hz); 35 Watts Max Mechanical 17" x 17" x 3.5" (Rack Mount Included) 12 lbs. Warranty Two years parts and labor. Signal Channel Inputs Voltage: Single-ended or True Differential Current: 106 Volts/Amp Impedance Voltage: 100 Mƒ¶ + 25 pF, ac coupled Current: 1 kƒ¶ to virtual ground Full Scale Voltage: 100 nV (10 nV on expand) to 500 mV Sensitivity Current: 100 fA to 0.5 ƒÊA Maximum Voltage: 100 VDC, 10 VAC damage threshold Inputs 2 VAC peak-to-peak saturation Current: 10 ƒÊA damage threshold 1 ƒÊA ac peak-to-peak saturation Noise Voltage: 7 nV/ãHz at 1 kHz Current: 0.13 pA/ãHz at 1 kHz Common Mode Range: 1 Volt peak; Rejection: 100 dB dc to 1KHz Above 1KHz the CMRR degrades by 6 dB/Octave Gain Accuracy 1% (2 Hz to 100KHz) Gain Stability 200 ppm/‹C Signal Filters 60 Hz notch, -50 dB (Q=10, adjustable from 45 to 65 Hz) 120 Hz notch, -50 dB (Q=10, adjustable from 100 to 130 Hz)) Tracking bandpass set to within 1% of ref freq (Q=5) Dynamic Reserve 20 dB LOW (1 ƒÊV to 500 mV sensitivity) 40 dB NORM (100 nV to 50 mV sensitivity) 60 dB HIGH (100 nV to 5 mV sensitivity) Bandpass Filter adds 20 dB to dynamic reserve Line Notch filters increase dynamic reserve to 100 dB Reference Channel Frequency 0.5 Hz to 100 kHz Input Impedance 1 Mƒ¶, ac coupled Trigger SINE: 100 mV minimum, 1Vrms nominal PULSE: }1 Volt, 1 ƒÊsec minimum width Mode Fundamental (f) or 2nd Harmonic (2f) Acquisition Time 25 Sec at 1 Hz 6 Sec at 10 Hz 2 Sec at 10 kHz Slew Rate 1 decade per 10 S at 1 kHz Phase Control 90° shifts Fine shifts in 0.025° steps Phase Noise 0.01° rms at 1 kHz, 100 msec, 12 dB TC Phase Drift 0.1°/°C Phase Error Less than 1° above 10Hz Demodulator Stability 5 ppm/°C on LOW dynamic reserve 50 ppm/°C on NORM dynamic reserve 500 ppm/°C on HIGH dynamic reserve Time Constants Pre: 1msec to 100 sec (6 dB/Octave) Post: 1sec, 0.1 sec, none (6 dB/Octave) or none Offset Up to 1X full scale (10X on expand) Harmonic Rej -55 dB (bandpass Filter in) Outputs & Interfaces Outputs X (RcosØ), X Offset, Noise Output Meter 2% Precision mirrored analog meter Output LCD Four digit auto-ranging LCD display shows same values as the analog meters Output BNC ±10 V output corresponds to full scale input <1Ω output impedance Reference LCD Four digit LCD display for reference phase shift or frequency RS232 Interface controls all functions. Baud rates from 300 to 19.2 K GPIB Interface controls all functions. (IEEE-488 Std) A/D 4 BNC inputs with 13 bit resolution (±10.24 V) D/A 2 BNC outputs with 13 bit resolution (±10.24 V) Ratio Ratio output equals 10X output divided by the Denominator input. Internal Oscillator Range: 1 Hz to 100 kHz, 1% accuracy Stability: 150 ppm/°C Distortion: 2% THD Amplitude: 1% accuracy, 500 ppm/°C stability

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Руководство пользователя
Hасто́льная кни́га тип:
Руководство пользователя
Страницы:
73
Размер:
727.32 Kbytes (744778 Bytes)
Язык:
english
Пересмотр:
3.3
Hасто́льная кни́га ID:
Дата:
2003 11 01
Качество:
Электронный документ, ни сканирование, очень хорошо читается.
Дата загрузки:
2017 01 01
MD5:
85376193875d45fbc50fbbcc52a6b6b1
Загрузки:
1172

Информация

Condensed Information SAFETY and Preparation for use 1 Symbols 2 Specifications 3 Front Panel Summary 5 Abridged Command List 6 Status Byte Definition 7 Configuration Switches 7 Guide to Operation Front Panel 8 Signal Inputs 8 Signal Filters 8 Sensitivity 8 Dynamic Reserve 9 Status Indicators 9 Display Select 9 Output 9 Expand Function 9 Rel Function 9 Offset 10 Time Constants 10 Noise Measurements 10 Reference Input and Trigger Levels 11 Phase Controls 11 Power Switch 12 Local/Remote Operation 12 Default Settings 12 Rear Panel 13 AC Power 13 GPIB (IEEE-488) Connector 13 RS232 Interface 13 Signal Monitor Output 13 Pre-Amp Connector 13 A/D Inputs and D/A Outputs 13 Ratio Feature 13 Internal Oscillator 13 Guide to Programming Communications 15 Command Syntax 15 Status LED's 15 RS232 Echo Feature 16 Try-out with an ASCII Terminal 16 Command List 17 Status Byte 20 Errors 20 Reset Command 20 Trouble-Shooting Interface Problems 21 Common Hardware Problems 21 Common Software Problems 21 RS232 Interface Introduction to the RS232 21 Data Communications Equipment 22 Wait Command 22 Termination Sequence 22 GPIB (IEEE-488) Interface Introduction to the GPIB 22 GPIB Capabilities 22 Response to Special GPIB commands 22 Serial Polls and SRQ's 23 Echo Mode using the RS232 23 Using Both the RS232 & GPIB 23 Lock-in Technique Introduction to Lock-in Amplifiers 24 Measurement Example 24 Understanding the Specifications 25 Shielding and Ground Loops 25 Dynamic Reserve 26 Current Input 26 Auto-Tracking Bandpass Filter 26 Notch Filters 27 Frequency Range 27 Noise Measurements 27 Output Filters 27 Ratio Capability 27 Computer Interface 27 Internal Oscillator 27 SR510 Block Diagram Block Diagram 28 Signal Channel 29 Reference Channel 29 Phase-Sensitive Detector 29 DC Amplifier and System Gain 29 Microprocessor System 29 Circuit Description Introduction 30 Signal Amplifier 30 Current Amplifier 30 Notch Filters 30 Bandpass Filter 30 Reference Oscillator 31 PSD, LP Filters and DC Amplifier 31 Analog Output 31 A/D's 31 D/A's 32 Expand 32 Front Panel 32 Microprocessor Control 32 RS232 Interface 32 GPIB Interface 32 Power Supplies 33 Internal Oscillator 33 Calibration and Repair Introduction 34 Multiplier Adjustments 34 Amplifier and Filter Adjustments 34 CMRR Adjustment 34 Line Notch Filter Adjustment 35 2xLine Notch Filter Adjustment 35 Repairing Damaged Front-End 35 Appendix A: Noise Sources and Cures Johnson Noise 36 '1/f' Noise 36 Noise Spectrum 36 Capacitive Coupling 37 Inductive Coupling 37 Ground Loops 38 Microphonics 38 Thermocouple Effect 38 Appendix B: RS232 Simplest Case Using the RS232 39 Using Control Lines 39 Baud Rates 39 Stop Bits 40 Parity 40 Voltage Levels 40 'Eavesdropping' 40 Appendix C: GPIB Introduction to the GPIB 41 Bus Description 41 Appendix D: Program Examples IBM PC, Microsoft Basic, via RS232 42 IBM PC, Microsoft Fortran, via RS232 43 IBM PC, Microsoft C, via RS232 45 IBM PC, Microsoft Basic, via GPIB 47 HP-85, HP Basic, via HPIB 49 Documentation Part Numbering and Locations 50 Parts List, Main Assembly 51 Parts List, Internal Oscillator 65 Parts List, Miscellaneous 66 Parts List, Front Panel 67 Schematic Diagrams 71

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