R&S SMB Legend for Rear Panel View
1407.0812.62 1.11 E-2
9 SIGNAL VALID
SIGNAL VALID
Output of valid signal. This signal
marks the valid signal times (valid
level and frequency indication). The
signal is generated automatically.
10 Instrument triggering
INST TRIG Input for external trigger for sweeps. See data sheet and
chapter 4, section
"Sweep Mode"
11 Output of pulse and video signal
PULSE VIDEO
Output of internal pulse generator
signal or external pulse signal fed in
via the PULSE EXT connector (video
signal).
See chapter 4, section
"Pulse Modulation"
12 Input of external pulse signal
PULSE EXT Input of external pulse signal or input
of external trigger/gate signal for
internal pulse generator.
See chapter 4, section
"Pulse Modulation"
13 Reference signal output
REF OUT Output of internal 10-MHz-reference
signal.
See data sheet and
chapter 4, section "RF
Reference Frequency -
Reference Oscillator"
14 Reference signal input
REF IN Input for external 10-MHz-reference
signal.
See data sheet and
chapter 4, section "RF
Reference Frequency -
Reference Oscillator"
15 Oven-controlled reference oscillator (option R&S SMB-B1)
OCXO This option (option R&S SMB-B1)
generates a very precise 10 MHz
reference signal. It needs some
minutes of warm-up time to reach its
nominal frequency.
See data sheet
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