6-7
6 Technical Specifications
6.3.2 Signal Inputs and Outputs
REF1
TRIG IN, AUX IN
SIGNAL
The specifications of the Spectrum M4i.6630 generator board apply.
SYNC, AUX OUT
Input voltage ranges: 1 Vpp
Input resistance: 50 Ω
Input coupling: DC
Overvoltage protection: ±2 V DC max, ±3 V Pulse < 10 ns
Compatibility: TTL
Overvoltage protection: max. +5.5 V
Input current: max. 1 mA
Output voltage swing: max. ±4 V at high-impedance load
max. ±2 V at 50 Ω
Output resistance: 50 Ω
Short-circuit protection: permanently short-circuit proof
Compatibility: TTL
HIGH output voltage: min. 3 V (I
out
=5mA)
LOW output voltage: max. 0.5 V (I
out
= 2 mA)
Output resistance: approx. 100 Ω