The Preston 8300 XWB is a high-performance 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.
