Specifications
Model E8 Series Operation Manual
E8 Series A5 Manual 9 October 2008
Page 8 of 12
Specifications
OUTPUTS:
Sine wave, 10MHz, 12dBm ± 2dBm into 50ohms
Harmonics < -50dBc
Spurii <-75dBc
TTL, 3.3VCMOS, 1pulse per second
POWER SUPPLY:
6 to 15V DC 250mA – 500mA
DPLL tracking bandwidths
5mHz to 500mHz typical in 8 binary increments
Default 20mHz
LOCK INDICATOR
On not locked
Off locked, low phase error
Short flash every second: locked, high phase error
GPS INDICATOR
Green: indicates no of satellites used in time solution
Amber: indicates no of satellites tracked but not used in time solution
INTERFACE
Shared between DPLL and GPS receiver
DPLL 9.6kbaud, RS232, PC compatible (8bits no parity, no handshake)
GPS 9.6kbaud, Motorola binary format
INTERFACE CODES
See Appendix B
TIME DOMAIN STABILITY
(10MHz output)
Tau Allen variance
E8-X
1s <2x10
-10
10s <4x10
-10
100s <5x10
-11
1000s <1x10
-11
>10000s <5x10
-12
JITTER
(1PPS output)
Typical < 5ns RMS










