Analog Oscilloscopes : Tektronix 2455B

The Tektronix 2455B oscilloscope is a graph-displaying device � it draws a graph of an electrical signal. In most applications, the graph shows how signals change over time: the vertical (Y) axis represents voltage and the horizontal (X) axis represents time. The intensity or brightness of the display is sometimes called the Z axis.

The Tektronix 2455B oscilloscope's simple graph can tell you many things about a signal, such as: the time and voltage values of a signal, the frequency of an oscillating signal, the �moving parts� of a circuit represented by the signal, the frequency with which a particular portion of the signal is occurring relative to, other portions, whether or not a malfunctioning component is distorting the signal, how much of a signal is direct current (DC) or alternating current (AC) and how much of the signal is noise and whether the noise is changing with time.


Tektronix 2455B Performance Characteristics

# Form Factor: Benchtop
# Bandwidth: 250 MHz
# Rise time: 1.4 ns
# Number of Channels: 4 ch
# Channel-Channel Isolation: 50 dB
# Min. Vertical Sensitivity: 2 mV/div
# Maximum Vertical Sensitivity: 5 V/div
# Vertical(or Deflection Factor) Accuracy: 2 % Inpu
# t Coupling: AC,DC,GND
# Input Impedance: 1 MOhm
# Input Impedance (alternate): 50 Ohm
# Maximum Input Voltage: 400 V(dc+p
# Maximum Input#2 (for Impedance #2): 5 Vrms
# Main time base - lowest: 10 ns/div
# Main time base - highest: 500 ms/div
# B Sweep Time Base (low): 10 ns/div
# B Sweep Time Base (high): 50 ms/div
# Time base Magnification factor (X?): x10
# Timebase accuracy: 0.7 %
# Trigger Source: External,Internal
# Trigger Sensitivity: 0.35 mV
# Display Type: Color CRT
# Display Size: 13 cm
# Trace writing speed (Analog Oscilloscope): 2 div/s

• 制造商: Tektronix
• 模型: 2455B

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