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Help CenterPIA570 Low‑Noise Current Preamplifier | 1pA/V to 1mA/V Sensitivity | DC‑1MHz
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PIA570 Low‑Noise Current Preamplifier
DC to 1 MHz | 5 fA/√Hz Input Noise | 1 pA/V–1 mA/V Sensitivity
Overview
The PIA570 is a high‑performance, ultra‑low‑noise current preamplifier engineered for precision amplification of faint low‑level current signals from picoampere to milliampere range. With superior noise performance, wide adjustable sensitivity, flexible filtering, and dual power supply options, the PIA570 delivers reliable, clean signal conditioning for demanding scientific research, industrial testing, and precision measurement applications.
Key Features
Ultra‑low input current noise: 5 fA/√Hz typical @ 1 kHz
Wide bandwidth: DC to 1 MHz
Broad sensitivity range: 1 pA/V to 1 mA/V
Dual gain modes: Low‑Noise Mode / High‑Dynamic Mode
Adjustable bias voltage: –4 V to +4 V
Adjustable offset current: ±1 pA to ±5 mA
True floating input: BNC shield isolated from chassis ground
5 filter modes: LPF / HPF / BPF (6 dB/oct); LPF / HPF (12 dB/oct)
Filter range: 0.03 Hz to 1 MHz (1–3 step sequence)
Isolated output: 50 Ω BNC, 10 Vpp max
Dual power: AC 220 V or rechargeable Li‑battery
Battery runtime: Up to 8–10 hours; charging time: 4 hours
Isolated RS232 remote control: 115200 baud
Compact rugged design: 288 × 198 × 95 mm, 2960 g
Technical Specifications
Input Current Noise: 5 fA/√Hz typical (1 kHz)
Bandwidth: DC – 1 MHz
Sensitivity: 1 pA/V to 1 mA/V
Gain Modes: Low‑Noise / High‑Dynamic
Bias Voltage: –4 V to +4 V
Offset Current: ±1 pA to ±5 mA
Maximum Input Current: ±5 mA
Input Impedance: 1 Ω, 100 Ω, 10 kΩ, 1 MΩ (depending on range)
CMRR: High CMRR floating input design
Filter Modes: LPF 6 dB/oct, HPF 6 dB/oct, BPF 6 dB/oct, LPF 12 dB/oct, HPF 12 dB/oct, Bypass
Filter Cutoff Range: 0.03 Hz – 1 MHz
Output: 50 Ω BNC, 10 Vpp max
Gain Stability: 100 ppm/°C typical
Flatness: ±0.5 dB up to 100 kHz @ 1 mA/V
Power Supply: AC 220–240 V 50 Hz or internal Li‑battery
Battery Operation: Up to 8–10 hours
Charging Time: 4 hours
Power Consumption: 20 W (charging), 6 W (battery mode)
Dimensions: 288 × 198 × 95 mm
Weight: 2960 g (with battery)
Warranty: 1 year
Typical Applications
Low‑frequency noise measurement for semiconductors and electronic devices
Cryogenic sensor signal conditioning
Photodiode, photomultiplier, and optoelectronic detection
Precision ion/electron beam measurement
Audio, acoustic, and vibration testing
Electrochemistry and micro‑current sensing
Front‑end for oscilloscopes, lock‑in amplifiers, dynamic signal analyzers, and spectrum analyzers
Why Choose PIA570?
Industry‑leading low noise: Captures pA‑level signals without distortion
Flexible signal conditioning: Built‑in bias, offset, and multi‑mode filters
Battery operation: Eliminates ground loops and power interference
Floating input: Protects sensitive DUTs and improves measurement accuracy
Remote controllable: Full function access via RS232 for automated test systems
All‑in‑one design: Integrates amplifier, filter, bias source, and buffer
Package Includes
PIA570 Low‑Noise Current Preamplifier
AC power adapter
BNC cable
User manual
1‑year warranty
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