Stanford Research Systems
๐Ÿ”
Categories
Function Generators
High Voltage Supplies
Laser/Optical
Lock-in Amplifiers
Preamplifiers
Signal Generators
Small Instrument Modules
Temperature Control
Timing
Vacuum/Gas Analysis
Voltage/Current Sources
Function Generators
DS345
DS345
30 MHz function/ARB Generator
  • 1ย ยตHz to 30.2ย MHz frequency range
  • 1ย ยตHz frequency resolution
  • Sine, square, ramp, triangle & noise
DS360
DS360
200 kHz Low Distortion Generator
  • 10ย mHz to 200ย kHz range
  • <-100ย dBc distortion (to 20ย kHz)
  • 20ย ยตVpp to 40ย Vpp output range
High Voltage Supplies
PS375
PS375
High Voltage DC Power Supply
  • +100 V to +20 kV
  • 1 volt resolution
  • 0.05% accuracy
Laser/Optical
LDC501
LDC501
Laser Diode Controller
  • 500 mA current source
  • Ultra-low drift (<10 ppm/ยฐC)
  • 36 W TEC controller
SR470
SR470
Laser Shutter Controller
  • Microprocessor-controlled timing
  • GPIB, RS-232, Ethernet
  • 4 ms to 10 ks exposure (0.1 ms resolution)
SR475
SR475
Laser Shutter Head
  • Ultra-low vibration
  • >10 M cycle lifetime
  • Easy-to-align 3 mm aperture
SR542
SR542
Precision Optical Chopper
  • 0.4 Hz to 20 kHz chop frequency
  • Low phase jitter
  • USB interface
Lock-in Amplifiers
SR2124
SR2124
Dual Phase Analog Lock-in Amplifier
  • All-analog design - no digital noise
  • 0.2 Hz to 200 kHz measurement range
  • Harmonic detection (f, 2f, 3f)
SR510
SR510
100 kHz Lock-in Amplifier
  • 0.5ย Hz to 100ย kHz frequency range
  • Current and voltage inputs
  • Up to 80ย dB dynamic reserve
SR830
SR830
100 kHz DSP Lock-in Amplifier
  • 1ย mHz to 102.4ย kHz range
  • 10 ยตs to 30 ks time constants
  • >100ย dB dynamic reserve
SR844
SR844
200 MHz Lock-in Amplifier
  • 25ย kHz to 200ย MHz range
  • 100 ยตs to 30 ks time constants
  • 80ย dB dynamic reserve
SR850
SR850
100 kHz DSP Lock-in Amplifier
  • 1ย mHz to 102.4ย kHz range
  • 10 ยตs to 30 ks time constants
  • >100ย dB dynamic reserve
SR860
SR860
500 kHz Lock-in Amplifier
  • 1 mHz to 500 kHz
  • 1 ยตs to 30 ks time constants
  • 2.5 nV/โˆšHz at 1 kHz
SR865A
SR865A
4 MHz Lock-in Amplifier
  • 1 mHz to 4 MHz
  • 1 ยตs to 30 ks time constants
  • 2.5 nV/โˆšHz at 1 kHz
Preamplifiers
SR445A
SR445A
350 MHz Preamplifier
  • 6.4ย nV/โˆšHz input noise
  • 1ย ns rise/fall time
  • 4 independent channels (each with G=5)
SR446
SR446
400 MHz Preamplifier
  • Gain from 1 to 100 (0 to +40 dB)
  • 3.3 nV/โˆšHz input noise (@1 MHz)
  • Differential output
SR550
SR550
FET Input Preamplifier
  • 3.6ย nV/โˆšHz input noise
  • 100ย Mฮฉ input impedance
  • Gain of 1, 2, 5 or 10
SR551
SR551
High Impedance Preamplifier
  • >1 Tฮฉ input impedance
  • Gain of x10
  • 1 MHz bandwidth
SR552
SR552
BJT Input Preamplifier
  • 1.4ย nV/โˆšHz input noise
  • 100 kฮฉ input impedance
  • Gain of 10, 20, 50, or 100
SR554
SR554
Transformer Preamplifier
  • 0.1 nV/โˆšHz input noise
  • Transformer-coupled input
  • For source impedances 0.05 ฮฉ -- 1 kฮฉ
SR555
SR555
Current Preamplifier
  • 107 V/A fixed gain
  • 120 kHz bandwidth
  • Bias voltage input
SR556
SR556
Current Preamplifier
  • 109 V/A fixed gain
  • 5 fA/โˆšHz input noise
  • Bias voltage input
SR560
SR560
Low Noise Voltage Preamplifier
  • 4 nV/โˆšHz input noise
  • 1 MHz bandwidth
  • Line or battery operation
SR570
SR570
Low Noise Current Preamplifier
  • 5 fA/โˆšHz input noise
  • 1 MHz max bandwidth
  • Line or battery operation
Signal Generators
SG386
SG386
RF Signal Generator
  • Up to 6 GHz output
  • 1ย ยตHz resolution
  • AM, FM, ร˜M, PM and sweeps
SG396
SG396
Vector RF Signal Generator
  • Up to 6 GHz output
  • Analog and vector modulation
  • Dual baseband arb generators
Small Instrument Modules
SIM900
SIM900
Mainframe
  • 8 module slots
  • 10 MHz Reference Input
  • GPIB, RS-232
SIM910
SIM910
JFET Preamplifier
  • 4ย nV/โˆšHz input noise
  • 1 MHz bandwidth
  • Selectable gain from 1 to 100
SIM911
SIM911
BJT Preamplifier
  • 1.8ย nV/โˆšHz input noise
  • 1 MHz bandwidth
  • Selectable gain from 1 to 100
SIM918
SIM918
Current Preamplifier
  • 15ย fA/โˆšHz input noise
  • Current gain of 1ย to 100ย V/ยตA
  • Bias voltage input
SIM921
SIM921
AC Resistance Bridge
  • Accurate millikelvin thermometry
  • ยตV/pA excitation
  • Measurements from 1 mฮฉ to 100 Mฮฉ
SIM928
SIM928
Isolated Voltage Source
  • ยฑ20 V isolated voltage source
  • Ultra-low noise output
  • Battery lifetime: 1000 cycles
SIM960
SIM960
Analog PID Controller
  • 100 kHz bandwidth
  • P, I, D & Offset settable to 0.5%
  • Anti-windup (fast saturation recovery)
SIM965
SIM965
Analog Bessel & Butterworth Filter
  • 1 MHz bandwidth
  • Low-pass or High-pass
  • 12, 24, 36, or 48 dB/oct
SIM983
SIM983
1 MHz Scaling Amplifier
  • Adjustable gain and offset
  • V = G×(Vin + Vos)
  • 1 MHz bandwidth
SIM984
SIM984
Isolation Amplifier
  • Isolation voltage up to ยฑ1000 V
  • 1 MHz bandwidth
  • Gain of x1, x10, or x100
SIM985
SIM985
Analog Multiplier
  • True four-quadrant analog multiplication
  • 5ย MHz bandwidth
  • OUTPUT = (X ร— Y)/10 V
SIM9B2
SIM9B2
Double-wide Prototype Kit
  • Ideal for custom circuits
  • Integrate into SIM900 Mainframe
  • Also available in single-wide
Temperature Control
CTC100
CTC100
Cryogenic Temperature Controller
  • 4 temperature sensor inputs
  • Up to 6 feedback control loops
  • Data logging
Timing
CG635
CG635
2 GHz Clock Generator
  • Clocks from 1ย ยตHz to 2.05ย GHz
  • Random jitter less than 1ย ps rms
  • 16 digits of frequency resolution
CG792
CG792
Multichannel 2 GHz Clock Generator
  • Clocks from 1 mHz to 2.2ย GHz
  • Up to four synchronizable outputs
  • Frequency and phase modulation
DG535
DG535
Delay Generator
  • Four channels
  • 5 ps delay resolution
  • <100 ps rms jitter
DG645
DG645
Delay Generator
  • 4 pulse, 8 delay outputs
  • Trigger rates to 10 MHz
  • <25 ps rms jitter
FS725
FS725
10 MHz Rb Frequency Standard
  • 10ย MHz and 5ย MHz outputs
  • 20 year aging less than 0.005ย ppm
  • <-130ย dBc/Hz at 10ย Hz phase noise
FS740
FS740
GPSDO and Frequency Counter
  • GPS/GNSS disciplined 10ย MHz
  • Sine, square, triangle, IRIG-B outputs
  • 12ย digit/s frequency counter
FS752
FS752
GPS Disciplined Oscillator
  • GPS/GNSS disciplined 10ย MHz
  • Five 10ย MHz outputs
  • Two 1ย pps outputs
SR620
SR620
Time Interval/Frequency Counter
  • 25ย ps single-shot resolution
  • 1.3ย GHz frequency range
  • 11-digit freq. resolution (1ย s)
Vacuum/Gas Analysis
BGA244
BGA244
Binary Gas Analyzer
  • Gas concentration analyzer
  • Contains data for nearly 500 gases
  • 0.01% typ. concentration error
RGA120
RGA120
Resigual Gas Analyzer
  • 5×10-14 Torr detection limit
  • New RGASoft Windows Software
  • Built-in I/O, Relay, and GPIO signals
Voltage/Current Sources
CS580
CS580
Voltage Controlled Current Source
  • 100 fA to 100 mA current range
  • ยฑ50 V compliance voltage
  • Up to 200 kHz bandwidth
DC205
DC205
Precision DC Voltage Source
  • ยฑ100 VDC range
  • 1 ppm/ยฐC stability
  • 0.0025% accuracy (1 yr)
DC215
DC215
DC Voltage/Current Source
  • ยฑ32 V and ยฑ240 mA
  • 4-quadrant operation (source/sink)
  • GPIB, Ethernet, & RS-232