SRS Stanford Research Systems SR530 Verstärker
Hersteller:
Modell:
SR530
Datum:
1997
Kategorie:
Gruppe:
Beschreibung:
LOCK-IN AMPLIFIER

Information

General Power 100, 120, 220, 240 VAC (50/60 Hz); 35 Watts Max Mechanical 17" x 17" x 5.25" (Rack Mount Included) 16 lbs. Warranty Two years parts and labor. Signal Channel Inputs Voltage: Single-ended or True Differential Current: 106 Volts/Amp Impedance Voltage: 100 MΩ + 25 pF, ac coupled Current: 1 kΩ to virtual ground Full Scale Sensitivity Voltage: 100 nV (10 nV on expand) to 500 mV Current: 100 fA to 0.5 μA Maximum Inputs Voltage: 100 VDC, 10 VAC damage threshold 2 VAC peak-to-peak saturation Current: 10 mA damage threshold 1 μA ac peak-to-peak saturation Noise Voltage: 7 nV/√Hz at 1 kHz Current: 0.13 pA/√ Hz 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 μV 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 MΩ, ac coupled Trigger SINE: 100 mV minimum, 1Vrms nominal PULSE: ±1 Volt, 1 μsec 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 Orthogonality 90° ± 1° 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) Both channels may be offset Harmonic Rej -55 dB (bandpass Filter in) Outputs & Interfaces Channel 1 Outputs X (RcosØ), X Offset, R (magnitude), R Offset, X Noise, X5 (external D/A) Channel 2 Outputs Y (RsinØ), Y Offset, Ø (phase shift of signal), Y Noise, X6 (external D/A) Output Meters 2% Precision mirrored analog meter Output LCD's Four digit auto-ranging LCD display shows same values as the analog meters Output BNC's ±10 V output corresponds to full scale input, <1Ω output impedance X Output X (RcosØ), ±10 V full scale, < 1Ω output impedance Y Output Y (RsinØ), ±10 V full scale, < 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 Channel 1 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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Bedienungsanleitung
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Bedienungsanleitung
Seiten:
82
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824.18 Kbytes (843961 Bytes)
Sprache:
english
Revision:
2.3
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Datum:
2005 06 01
Qualität:
Elektronisches Dokument, kein Scan, sehr gut lesbar.
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2017 01 01
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Condensed Information SAFETY and Preparation for use 1 Symbols 2 Specifications 3 Front Panel Summary 5 Abridged Command List 7 Status Byte Definition 8 Configuration Switches 8 Guide to Operation Front Panel 9 Signal Inputs 9 Signal Filters 9 Sensitivity 9 Dynamic Reserve 10 Status Indicators 10 Display Select 10 Channel 1 Display 10 R Output 11 Output Channel 1 11 Rel Channel 1 11 Offset Channel 1 11 Expand Channel 1 12 X (RCOSØ) Output 12 Channel 2 Display 12 Ø Output 12 Output Channel 2 13 Rel Channel 2 13 Auto Phase 13 Offset Channel 2 13 Expand Channel 2 14 Y (RSINØ) Output 14 Reference Input 14 Trigger Level 14 Reference Mode 15 Reference Display 15 Phase Controls 15 Time Constants 15 Noise Measurements 15 Power Switch 16 Local/Remote Operation 16 Default Settings 16 Rear Panel 17 AC Power 17 GPIB (IEEE-488) Connector 17 RS232 Connector 17 Signal Monitor Output 17 Pre-Amp Connector 17 A/D Inputs and D/A Outputs 17 Ratio Feature 17 Internal Oscillator 17 Guide to Programming Communications 19 Command Syntax 19 Status LED's 19 RS232 Echo Feature 20 Try-out with an ASCII Terminal 20 Command List 21 Status Byte 24 Errors 24 Reset Command 25 Trouble-Shooting Interface Problems 25 Common Hardware Problems 25 Common Software Problems 25 RS232 Interface Introduction to the RS232 26 Data Communications Equipment 26 Wait Command 26 Termination Sequence 26 GPIB (IEEE-488) Interface Introduction to the GPIB 26 GPIB Capabilities 26 Response to Special GPIB commands 26 Serial Polls and SRQ's 27 Echo Mode using the RS232 27 Using Both the RS232 & GPIB 27 Lock-in Technique Introduction to Lock-in Amplifiers 28 Measurement Example 28 Understanding the Specifications 29 Shielding and Ground Loops 29 Dynamic Reserve 30 Current Inputs 30 Bandpass Filter 30 Notch Filters 31 Frequency Range 31 Output Time Constants 31 Noise Measurements 31 Ratio Capability 31 Computer Interfaces 31 Internal Oscillator 31 SR530 Block Diagram Block Diagram 32 Signal Channel 33 Reference Channel 33 Phase-Sensitive Detector 33 DC Amplifier and System Gain 33 Microprocessor System 33 Circuit Description Introduction 34 Signal Amplifier 34 Current Amplifier 34 Notch Filters 34 Bandpass Filter 34 Reference Oscillator 35 PSD, LP Filters and DC Amplifier 35 Analog Output 36 A/D's 36 D/A's 36 Expand 36 Front Panel 36 Microprocessor Control 36 RS232 Interface 37 GPIB Interface 37 Power Supplies 37 Internal Oscillator 37 Calibration and Repair Introduction 38 Multiplier Adjustments 38 Amplifier and Filter Adjustments 38 CMRR Adjustment 38 Line Notch Filter Adjustment 39 2xLine Notch Filter Adjustment 39 Repairing Damaged Front-End 39 Appendix A: Noise Sources and Cures Johnson Noise 40 '1/f' Noise 40 Noise Spectrum 40 Capacitive Coupling 41 Inductive Coupling 41 Ground Loops 42 Microphonics 42 Thermocouple Effect 42 Appendix B: RS232 Simplest Case Using the RS232 43 Using Control Lines 43 Baud Rates 43 Stop Bits 44 Parity 44 Voltage Levels 44 'Eavesdropping' 44 Appendix C: GPIB Introduction to the GPIB 45 Bus Description 45 Appendix D: Program Examples Program Description 46 IBM PC, Microsoft Basic, via RS232 46 IBM PC, Microsoft Fortran, via RS232 47 IBM PC, Microsoft C, via RS232 49 IBM PC, Microsoft Basic, via GPIB 51 HP-85, HP Basic, via HPIB 53 Documentation Parts List, Oscillator Board 55 Parts List, Main Board 56 Parts List, Front Panel Board 70 Parts List, Quad Board 73 Parts List, Miscellaneous 77 Schematic Diagrams 79

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