GE Dash 3000, Service Manual

Page: 39 / 292

Revision A Dash 3000/4000 Patient Monitor 2-21
2000966-339
Equipment Overview: Technical Specifications
Analog Output
Defibrillator Synchronization Pulse
ECG:
Gain:
DC offset:
Noise:
Frequency response:
Time delay:
1 V/mV ±10%
±100 mV (max)
<5 mVp-p (0-300 Hz)
In the
“ECG” section, refer to the “Output
specifications:” on page 2-13.
40 ms monitoring filter, 35 ms diagnostic filter
Blood pressure:
Gain:
DC offset:
Noise:
Frequency response:
Time delay: 10 mV/mmHg ±2%
±20 mV (max)
<5 mVp-p (0-300 Hz)
dc to 50 Hz +2/–0 Hz
40 Hz filter, 37 ms
Marker out:
Time delay:
Amplitude (selectable in Service
menu):
+5 V selection:
+12 V selection:
Pulse width:
Output impedance:
Current limit:
35 ms (maximum), R-wave peak to leading edge of
pulse.
3.5 V (min) at 1 mA sourcing; 0.5 V (max) at 5 mA
sinking.
11.0 V (min) at 1 mA sourcing; 0.75 V (max) at 5 mA
sinking.
10 ms ±10% or 100 ms ±10% (selectable in Service
menu).
50
Ω
nominal
15 mA nominal, both sourcing and sinking.
Marker in:
Input threshold:
Input hysteresis:
Maximum input voltage:
Input impedance:
Pulse width: V
IH
= ±2.5 V (min); V
IL
= ±1.5 V (max)
650 mV typical
±30 V (with respect to ground on pin 3)
10 k
Ω
(min) for -25 V < VIN < 25 V
1.0 ms (min), VIN > 2.5 V