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PIA570 Low-Noise Preamplifier
The PIA570 is a high-performance, low-noise current preamplifier designed to amplify weak low-frequency current signals, with configurable bandwidth and gain.
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Detail
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Technical Data
PIA570
It is a high-performance, low-noise current preamplifier.
Used to amplify weak low-frequency current signals, and can be configured with different bandwidths and
Gain, suitable for applications including low-temperature measurements and low-frequency noise characterization of chips.
including measurement, sensor-based detection, photoelectric detection, and audio and vibration engineering
Its widespread application.
The instrument can be used standalone or in combination with an oscilloscope and a lock-in amplifier.
Instrumentation, including dynamic signal analyzers, is used in an integrated manner.
Input
PIA570
It can convert a current signal into a corresponding voltage signal, with adjustable gain.
Setting range:
1 pA/V ~ 1 mA/V
。
PIA570
The input is fully floating.
(
BNC
Shielding is not connected to chassis ground). Preamplifier feedback capacitor
Capacity, can be achieved through
Fb c
Adjust to fine-tune the bandwidth using a small screwdriver, i.e.
Operable, meanwhile,
BIASV
It is possible to measure the currently set bias voltage.
Value.
Output
BNC
The connector provides
50Ω
Output impedance, capable of delivering maximum
10
Vpp
signals to drive their respective downstream loads.
Filter
PIA570
Includes two programmable first-order stages.
RC
Filter, by not
The same combination can implement five filter mode settings:
LPF(6dB/oct)
、
BPF(6dB/oct)
、
HPF(6dB/oct)
、
LPF(12dB/oct)
、
HPF(12dB/oct))
, can be accessed via the front
The board sets the filter mode and cutoff frequency. The frequency range spans from
0.03 Hz
to
1 MHz
, according to
1-3
Sequential step increment (e.g.
For example:
3Hz
，
10Hz
，
30Hz
，
100Hz…
).
Sensitivity
The sensitivity range can be set to
1mA/V
To
1pA/V
Internal setting. Two
Gain mode selection, prior to the low-noise-mode filter
Allocate gain to optimize noise performance, while operating in high-headroom mode.
Assign gain after the filter to reduce signal overload.
The sensitivity of the load.
Battery operation
Except for
220V
In mains‑power mode, the instrument also features a built-in battery for…
Electricity. Battery mode can significantly reduce power-frequency interference and conducted emissions.
It addresses interference and wireless coupling, while being convenient for field applications.
Rechargeable lithium batteries provide up to
10
An hour of continuation
Flight. Automatically charges when connected to an external power source; charging time is
4
small
At that time, the front panel
LED
Indicates the battery’s charge status.
PIA570 Low-Noise Preamplifier
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