T1/E1/CEPT/ISDN-PRI Quad Port Interface Transformers

T1/E1/CEPT/ISDN-PRI Quad Port Interface Transformers • Quad Transformers Supports Two T1/E1 Ports • • Models Match to Leading Quad and Dual • T1/E1/CEPT Transceivers • Robust construction allows IR/VP reflow process • • Recognized by UL1459 and UL1950 • • Isolation : 1500 • •

Integrated Circuit 9-Step LED Driver Circuit for Logarithmic Scale

Functions: • Indication Way: Indicates input level in a series bar by 9 red or green LED’s • Input Amp: DC amp installed the aim of which can be varied by a peripheral resistor. • Comparator Level: Designed with 3dB rate; –18dB, –15dB, –12dB, –9dB, –6dB, –3dB

PHOTOMULTIPLIER TUBE

PHOTOMULTIPLIER TUBE Multialkali Photocathode with S-20 Spectral Response 127mm (5 Inch) Diameter, 10-Stage, Head-On Type

SEPIC Constant- or Programmable-Current/ Constant-Voltage Battery Charger

文件：299.75 Kbytes Page：16 Pages

SEPIC Constant- or Programmable-Current/ Constant-Voltage Battery Charger

文件：299.75 Kbytes Page：16 Pages

SEPIC Constant- or Programmable-Current/ Constant-Voltage Battery Charger

文件：299.75 Kbytes Page：16 Pages