... the same time, CC81131 can also at any level of timing signal generator (TSG) to provide a ... 10MHz signal output 1 channel, BNC, square wave, TTL level Frequency stability: better than ± 5E-10 (0 ~ ... °C) 1PPS pulse output 1 channel, BNC Interface, TTL level impedance: 50Ω Rising: <20ns Timing accuracy: <100ns ( ... 1 channel, DB-9 female, RS232 level, ASCII code 9600-N-8-1, GPS status, time information, per ...