MasterclockGMRUserManualv2–2016.12
13
TCG:TIMECODEGENERATORMODULE
ReadsSMPTE24,25,30‐fpsnon‐dropframeandSMPTE29.97dropframe,IRIG‐B(AandEoptional),
amplitudemodulatedandpulsewidthcoded(un‐modulated)
Timecodesignalaccuracy:200nanosecond
Single‐endedunbalancedordifferentialbalancedoutputs
DB9breakoutadapteravailablefordifferential
balancedoutput(GMR1000only,notneededonGMR5000)
Programmabledelayoffsetwith1µSresolution
PPS(PULSEPERSECOND)OUTPUT
5VTTL(Transistor‐TransistorLogic)levelsignallockedtothemostaccuratetimereference
AccuracycomparedtotopofsecondofGPSreference:±70nanoseconds
RisingedgeofthePPSsignalprovidesthe“ontime”mark
StandardonGMR5000
PPO:PROGRAMMABLEPULSEOUTPUT
Pulseintervalanddurationcanbeselectedviasoftwarefrom100μsto3days
Pulseoutputis5Vppfromalowimpedancesource
Pulsewidthselectablefrom10μsecondsto100msec
Accuracyissameasthecurrentreferencesource(i.e.GPS,timecode,NTP,
etc.)
10MHZSINEWAVEFREQUENCYINPUTANDOUPUT
9VPeaktoPeakunloadedat50Ohm,6VPeaktoPeakwithhighimpendenceloadat50Ohm
SYNC‐IN
• SynctoPPS,PPMorPPHinput
PROGRAMMABLEDRYCONTACTRELAY(24VDC,250MA)
Singleevent(daily)programmablerelayschedule
StandardonGMR5000