SIM900 - Mainframe

• Rugged, compact design
• 8 module slots
• 9^th port for remote module
• 10 MHz reference with external sync
• Cascade multiple mainframes
• GPIB and RS-232 interfaces
• Start-up script memory

Datasheet

 

SIM910 and SIM911 — JFET and BJT Preamplifier

• 4 nV/√Hz input noise (SIM910)
• 1.8 nV/√Hz input noise (SIM911)
• Low output noise
• 1 MHz bandwidth
• Selectable gain from 1 to 100
• AC or DC coupled
• Differential or single-ended input
• 85 dB CMRR
• Remote interface

Datasheet

SIM914 - 350 MHz preamplifier

• DC to 350 MHz bandwidth
• Two independent amplifier channels
• Voltage gain of 5 (14 dB) per channel
• 6.4 nV/√Hz input noise
• 3 ns overload recovery
• Excellent phase linearity

Datasheet

SIM918 — Current preamplifier with autozero feature

• Input offset voltage <10 µV
• DC bias current <2 pA
• Current gain of 10⁶ to 10⁸ V/A
• 15 fA/√ Hz input noise (10⁸ V/A)
• Autozero feature
• Bias voltage input

Datasheet

 

SIM921 — AC resistance bridge for millikelvin thermometry

• Accurate millikelvin thermometry
• Microvolt/picoamp excitation
• Measurements from 1 mΩ to 100 MΩ
• Variable excitation from 2 Hz to 60 Hz
• Linearized analog output
• Resistance, temperature and phase

Datasheet

 

SIM922 and SIM923 — Diode & Pt RTD temperature monitors

• Four channels with independent displays
• 1.4 K to 475 K with silicon diodes
• 20 K to 873 K with platinum RTDs
• Memory for 4 calibration curves plus standard curve

Datasheet

 

SIM922A & SIM923A — Diode and Pt RTD temperature monitors & SIM923A — Diode und Pt RTD Temperaturüberwacher<

• Single-channel LED display
• 1.4 K to 475 K with Si, GaAs or GaAlAs diodes
• 1.4 K to 873 K with RTDs
• Two analog outputs:
  • Linearized V proportional to T
  • Sensor voltage (buffered)
• Remote interface

Datasheet

 

SIM925 — 4-pole relay switching multiplexer (8 ch.)

• Eight input channels
• Four-pole relay switching
• Selectable buffer for V-sense lines
• Rear-panel bypass for unlimited daisy-chaining

Datasheet

 

SIM928 — Rechargeable isolated voltage source

• ±20 V isolated voltage source
• Ultra-low noise output
• Two switchable, recharging batteries for continuous operation
• Battery lifetime: 1000 charge cycles
• Output floats to ±40 V
• Short-circuit protected

Datasheet

 

SIM940 — 10 MHz rubidium oscillator

• Three 10 MHz outputs
• 1 pps input and output for GPS synchronization
• 20 year aging less than 0.005 ppm
• Ultra-low phase noise (<-130 dBc/Hz at 10 Hz)
• Remote interface

Datasheet

 

SIM954 — 300 MHz dual-channel inverting amplifier

• DC bis 300 MHz Bandbreite
• ±10 V Ausgangsspannung
• Bis zu 1 A Ausgangsstrom
• <1 dB Flachheit
• 4000 V/µs Anstiegszeit
• 2 unabhängige Kanäle

Datasheet

 

SIM960 — 100 kHz analog PID controller

• Analog signal path with digital control
• 100 kHz bandwidth
• Low-noise front end
• P, I, D and Offset settable to 0.5 %
• Anti-windup (fast saturation recovery)
• Bumpless transfer, manual to PID
• Analog setpoint with smooth ramping
• Smooth upper/lower limit clamping

Datasheet

 

SIM964 — 1 MHz limiter

• Settable upper & lower limits (±10 V)
• 10 mV resolution
• 1 MHz bandwidth
• TTL outputs for limit detecting
• High slew rate

Datasheet

 

SIM965 — Analog high-pass / low-pass filter

• Bessel and Butterworth filter types
• 1 Hz to 500 kHz
• 3-digit cutoff frequency resolution
• High-pass or low-pass operation
• Selectable rolloff
• Continuous time (not sampled)

Datasheet

 

SIM970 — 5½-digit voltmeter (4 ch.)

• True 5½-digit performance
• Four isolated channels
• Bright 7-segment LED displays
• Three decade autoranging to ±19.9999 V
• 10 MΩ input impedance
• External trigger for data synchronization
• Unique continuous autocalibration
• 90 dB power line frequency rejection

Datasheet

 

SIM980 — Four channel summing amplifier

• Four summing inputs
• ±10 V operating range
• 1 MHz bandwidth
• Low crosstalk (−80 dB)
• <100 µV input offset
• High slew rate

Datasheet

 

SIM983 — Analog scaling amplifier

• Adjustable gain and offset
• 3½-digit resolution
• 1 MHz bandwidth
• Low-noise input
• ±10 V operating range

Datasheet