儀器簡介：

在飛行時間質譜領域，從MALDI-TOF、QqTOF到LC/TOF-MS以及GC/TOF-MS，Signal Recovery能提供高質量的數據采集產品。

技術參數：

Models VT120A-P, VT120B-P and VT120C-P
Fast-Timing Preamplifiers

GAIN (10% gain tolerance on all versions):
VT120A-P X200, noninverting.
VT120B-P X200, inverting.
VT120C-P X20, noninverting.
RISE TIME <=1 ns.
NOISE <=20uV rms equivalent input noise.
BANDWIDTH 10 to 350 MHz.
OUTPUT RANGE 0 to -5 V with 50-W load.
INPUT BNC connector; input impedance 50 W.
OUTPUT BNC connector; 0 to -5 V output with a
50-S load. Output impedance <=1 n.
POWER REQUIRED +12 V, 50 mA (uses LEMO
power connector that is compatible with accessory
cable C-VT120).
DIMENSIONS Aluminum housing 5.8 X 5.1 X 1.6cm (2.3 X 2.0 X 0.63 in.).
WEIGHT 0.2 kg (0.4 lb).