DynamicSignals / Kinetic Systems / Preston 8300 XWB Amplifier

The Preston 8300 XWB is a instrumentation amplifier engineered for precision signal conditioning, isolation, and amplification in demanding measurement environments. It delivers low-noise, wide dynamic range performance with exceptional common-mode rejection, making it ideal for low-level signal acquisition, isolation buffering, pre-amplification in data acquisition systems, and driving recording devices in noisy industrial and laboratory settings.

Technical Specifications

Bandwidth: DC to 100 kHz (−3 dB points); full power bandwidth switch-selectable from 10 Hz to 100 kHz

Gain: Switch-selectable 1 to 1000; up to 2500 with vernier control; binary steps available (11 steps 1–1024, 12 steps 1–2048); programmable gain options

Full Scale Output: ±10 V at 100 mA

Common Mode Rejection: 150 dB across all gain ranges; 130 dB DC to 60 Hz with up to 1 kΩ unbalance; 60 dB plus gain (dB) or 108 dB minimum

Input Noise: <3 µV RTI; 3.25 µV RTI (32.5 µV at gains <1)

Drift: 0.1 µV/°C RTI or <1 mV per 50°C RTO; ±0.1 mV RTO per °C

Linearity: ±0.005%

Accuracy: ±0.01%

Slewing Rate: 0.3 V/µs

Settling Time: 30 psec to ±0.01% full scale; 50 µs maximum to ±1.5 mV from ±20 V input step at gain = 1

Common Mode Voltage Tolerance: Up to 350 V peak AC or DC

Input Impedance: ≥100 MΩ, shunted by ≤1500 pF

Output Impedance: <1 Ω

Output Protection: Unconditionally short-circuit proof

Key Features

Dual independent outputs: filtered ±10 V at ±50 mA and unfiltered ±10 V at ±100 mA

Fast overload recovery with on-scale settling

Switch-selectable bandwidths: 1 Hz, 10 Hz, 100 Hz, 1 kHz, 10 kHz, 100 kHz

Four-pole Bessel filtering and low-pass filter options available

Programmable gain and bandwidth via RS232 or IEEE488 interfaces (select models)

Integral AC power supply (115 V or 220 V, 50–60 Hz)

Rack-mountable heavy-duty aluminum chassis compatible with Model 7600 Rack (accommodates eight units vertically)

Typical Applications Low-level signal acquisition in electrically noisy environments, sensor isolation and buffering, pre-amplification for multichannel data acquisition, and transducer signal conditioning for recording systems.