Tektronix 070-9778-03, Руководство по обслуживанию

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Specifications
1–4
TLA 711 Color Benchtop Controller Service Manual
Table 1–3: Benchtop mainframes external signal interface characteristics (cont.)
Characteristic Description
Minimum Pulse Width 12 ns
Active Period Accepts system triggers during valid acquisition periods via real-time gating, resets system trigger
input latch between valid acquisition periods
Maximum Input Voltage 0 to +5 Volt peak
External Signal Input TTL compatible input via rear panel mounted BNC connectors (portable mainframe) or front panel
mounted SMB connectors (benchtop mainframe)
Input Destination Signal 1, 2, 3, 4
Input Levels
V
IH
V
IL
TTL compatible input.
≥
2.0 V
≤
0.8 V
Input Mode Active (true) low, level sensitive
Input Bandwidth
Signal 1, 2
Signal 3, 4
50 MHz square wave minimum
1
10 MHz square wave minimum
1
Active Period Accepts signals during valid acquisition periods via real-time gating
Maximum Input Voltage 0 to +5 Volt peak
System Trigger Output TTL compatible output via rear panel mounted BNC connectors (portable mainframe) or front panel
mounted SMB connectors (benchtop mainframe)
Source Mode Active (true) low, falling edge latched
Active Period Outputs system trigger state during valid acquisition period, resets system trigger output to false
state between valid acquisitions
Output Levels
V
OH
V
OL
50 Ohm back terminated TTL-compatible output
≥
4 V into open circuit
≥
2 V into 50 Ohm to ground
≥
0.7 V sinking 10 ma
Output Protection Short-circuit protected (to ground)
Intermodule Signal Line Bandwidth Minimum bandwidth up to which the intermodule signals are specified to operate correctly
Signal 1, 2 (ECLTRG0, 1) 50 MHz square wave minimum
Signal 3, 4 (TTLTRG0, 1) 10 MHz square wave minimum
External Signal Output TTL compatible outputs via rear panel mounted BNC connectors (portable mainframe) or front
panel mounted SMB connectors (benchtop mainframe)
Source Selection Signal 1, 2, 3, 4, or 10 MHz clock
Output Modes
Level Sensitive User definable
Active (true) low or active (true) high
Output Levels
V
OH
V
OL
50 Ohm back terminated TTL output
≥
4 V into open circuit
≥
2 V into 50 Ohm to ground
≤
0.7 V sinking 10 ma