HBM GEN3i, Руководство пользователя

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I/O Connector
1
2
3
4
6
7
8
9
5
PIN 1 - External Time base In
PIN Signal
PIN 2 - External Event Out
PIN 3 - External Trigger In
PIN 4 - Ground
PIN 5 - Ground
PIN 6 - External Start In
PIN 7 - External Trigger Out
PIN 8 - External Stop In
PIN 9 - Ground
Figure A.7: Pin assignment and breakout cable
Connector type
TE (Tyco Electronics) connectivity: 2
-
5747706
-
0 (D
-
sub, 9
-
pin female)
Mating connector type TE (Tyco Electronics) connectivity: 5
-
747904
-
5
Breakout cable (included)
Cable type Coax
Connector type 6; BNC female
Length 0.5 m (1.6 ft)
External Time base In
Levels
TTL compatible, Low
-
30 V to 0.7 V, High 2 V to 30 V
Input has an internal pull
-
up of 20 kΩ
±
1% to 5 V
Input overvoltage protection
±
30 V DC
Maximum frequency 5 MHz
Minimum pulse width 100 ns
Active edge Rising
Rounding resolution 4.01 µs; 250 kS/s and 20 kS/s acquisition cards
1.01 µs; 1 MS/s and 200 kS/s acquisition cards
510 ns; 2 MS/s and 200 kS/s (GN611B/GN611/GN816) acquisition cards
60 ns; 100 MS/s and 25 MS/s acquisition cards
Input to sample moment delay 350 – 400 ns, plus up to one full "rounding resolution"
External Trigger In
Levels
TTL compatible, Low
-
30 V to 0.7 V, High 2 V to 30 V
Input has an internal pull
-
up of 20 kΩ
±
1% to 5 V
Input overvoltage protection
±
30 V DC
Resolution 50 ns
Minimum pulse width 500 ns
Active edge Rising or falling; software selectable
Delay
±
1 μs + up to one sample period (for decimal and binary time base)
Send to External Trigger Out User can select to forward External Trigger In to the External Trigger Out BNC
Top Dead Center Rotational input Used to indicate top dead center in rotational external time base
External Trigger Out
Levels TTL compatible; 0 V < Low < 0.6 V; 2 V < High < 5 V
Active level High/Low/Hold High; software selectable
Pulse width High or Low selected: 12.8 µs
Hold High selected: Active from first trigger to end of recording
Maximum output current 50 mA, short circuit protected
Output impedance
49.9 Ω
±
1%
Short circuit protected Continuous
Delay User selectable; minimum value may vary for each acquisition card.
Default 516
±
1 μs (504 Binary sample rates) + up to one sample period; Filter set to
wideband
(1)
(1) If an analog and/or digital filter is used, extra delay will be added, depending on the type of filter and signal frequency.
GEN3i
I3763-3.1 en HBM: public 373