Table 28. Rear panel information
Description
Typical
General characteristics
External trigger input connector
Type
BNC, female
Input level
Low threshold voltage: 0.5 ꢀ
High threshold voltage: 2.1 ꢀ
Input level range: 0 to + 5 ꢀ
≥ 2 μsec
Pulse width
Polarity
Positive or negative
External trigger output connector
Type
BNC, female
Maximum output current
Output level
50 mA
Low level voltage: 0 ꢀ
High level voltage: 5 ꢀ
1 μsec
Pulse width
Polarity
Positive or negative
External reference signal input connector
Type
BNC, female
BNC, female
Input frequency
Input level
10 MHz 10 ppm
–3 to + 10 dBm
Internal reference signal output connector
Type
Output frequency
Signal type
10 MHz 5 ppm
Sinewave
Output level
0 dBm 3 dB into 50 ꢁ
Output impedance
50 ꢁ
Internal reference signal oven connector
Type
BNC, female
Output frequency
Output level
10 MHz 1 ppm
0 dBm minimum
28
HP [ HEWLETT-PACKARD ]
