CHEETAH Hardware User’s Manual
Imperx, Inc.
Rev. 6.2
6421 Congress Ave.
7/7/2015
Boca Raton, FL 33487
+1 (561) 989-0006
66 of 152
Figure 2.15a –IN1 electrical connection.
B. Input IN 2 LVTTL
The input signals “IN 2” and “IN 2 Rtn” are used to interface to a TTL or LVTTL
input signal. The signal level (voltage difference between the inputs “IN 2” and “IN
2 Rtn”)
MUST
be LVTTL (3.3 volts) or TTL (5.0 volts). The total maximum input
current
MUST NOT
exceed 2.0 mA.
Figure 2.15b - IN 2 electrical connection
C.
Output OUT 1 LVTTL
Output OUT 1 is a 5v TTL (5.0 Volts) compatible signal and the maximum output
current
MUST NOT
exceed 8 mA.