Preamplifier SR445A SRS Stanford Research System

Mã sản phẩm: SR445A |
Thương hiệu: SRS Stanford Research System

Giá bán: Liên hệ
The Model SR445A 350 MHz Preamplifier contains four wide-bandwidth, DC-coupled amplifiers, each with a gain of 5. The four channels may be used independently, or cascaded to provide a total gain of up to 625. The fast rise time, low noise, and excellent DC accuracy of the SR445A make it an ideal instrument for amplifying the outputs of fast photomultiplier tubes and photodiodes.

Yêu Cầu Giá Tốt

Thông tin sản phẩm
General
Amplifier channels 4
Inputs and outputs 50 Ω (DC coupled)
Bandwidth DC to 350 MHz (-3 dB)
Rise/fall time 1 ns (single channel)
Voltage gain 5 per channel (up to 4 channels can be cascaded)
Input noise 6.4 nV/√Hz
Operating range Inputs: ±200 mV, Outputs: ±1.0 V
Propagation delay 2.7 ns per channel
Recovery time 3 ns for a 10× overload
Input protection ±50 V for <1 ms
Output clamp ±1.6 V
Output overload detect ±1.3 V
Crosstalk -60 dB
Operating temperature 0 °C to 40 °C, non-condensing
Dimensions 8.3" × 1.5" × 8.0" (WHL)
Power 10 W, 100/120/220/240 VAC, 50/60 Hz
Warranty One year parts and labor on defects in materials and workmanship
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