Tektronix TDS2012C Service Manual

Specifications
Triggering Sy
stem
Table 3: Triggering system
Characteris
tic
Description
Trigger Types Edge, Video, Pulse Width
Models Trigger source selections
TDS1001C-EDU
TDS1002C-EDU
TDS1012C-
EDU
TDS2001C
TDS2002C
TDS2012C
TDS2022C
Channel 1
Channel 2
External
External/5
AC Line
TDS2004C
TDS2014C
TDS2024C
Channel 1
Channel 2
Channel 3
Channel 4
External
Externa
l/5
AC Line
Trigger Source
Selection
External/5 selection attenuates the external signal by 5.
When Bandwidth Limit is selected for a channel, the bandwidth of that channel’s trigger path will also be
limite
d. The bandwidth of the External Trigger path is not affected by the bandwidth limit.
Horizontal Trigger
Posit
ion
The trigger position is set by the Horizontal Position knob.
500 ns minimum to 10 s maximum
Trigg
er Holdoff Range
The ability to set large values of Holdoff is limited by the difficulty in adjusting the Holdoff at Sec/Div
sett
ings less than 100 ms/Div. This is because Holdoff cannot be set in Scan M ode, which begins at
100 ms/div when Trigger Mode is AUTO. By adjusting Trigger Mode to NORMA L, the Scan Mode
operation is turned off, and Holdoff can be adjusted at larger seconds/Div settings.
External Trigger Input
Impedance
1M±2%inparallelwith20pF±3pF
300 V
RMS
, Installation Category II; derate at 20 dB/decade above 100 kHz to 13 V peak AC at 3 MHz
an
d above
External Trigger
Maximum Input Voltage
Ba
sed on sinusoidal or DC input signal. The maximum viewable signal while DC coupled is ±50 V offset
±5 V/div at 4 divisions, or 70 V. AC coupling allows measuring signals on a DC level up to 300 V. For
nonsinusoidal waveforms, peak value m ust be less than 450 V. Excursions above 300 V s hould be less
t
han 100 ms duration and the duty factor is limited to < 44%. RMS signal level must be limited to 300 V. If
these values are exceeded, damage to the instrument may result.
L
ine Trigger
Characteristics
Line Trigger mode provides a source to synchronize the trigger with the AC line input.
Input A mplitude requirements: 85 V
AC
- 265 V
AC
.
Input Frequency requirements: 45 Hz - 440 Hz.
Edge Trigger
Trigger Modes Auto, Normal
TDS2000C and TDS1000C-EDU Series Oscilloscope Service Manual 9

Tektronix TDS2012C Specifications

General

Brand	Tektronix
Model	TDS2012C
Category	Oscilloscope
Language	English