Connector: BNC
Output Load Impedance: 50Ω
Output Pulse/Frequency Rates: 1Hz to 25MHz in 0.1-Hz increments
Accuracy: Function of input synchronization source (GPS, IRIG, 1PPS, etc.)
Synchronization: Output frequency locked to SecureSync disciplined
10MHz
Jitter, cycle-to-cycle: n/a
Phase Noise:
-120dBc/Hz @ 1kHz offset
-130dBc/Hz @ 10-kHz offset
-140dBc/Hz @ 100-kHz offset
Harmonics: <-30dBc
Spurious: <-60dBc
Maximum Number of Cards: 6
Ordering Information: 1204-13, Programmable Frequency Card, sine wave,
BNC
Figure 5-26: Model 1204-13 option card rear plate
Programmable Frequency Card 1204-2F (TTL, BNC): Spe-
cifications
Outputs: (4) independently programmable square wave outputs
Signal Type: TTL (BNC)
Wave Form: square
Connector: BNC
Output Load Impedance: 50Ω
SecureSync 2400 User Manual 407
APPENDIX