YOKOGAWA FG420, User Manual

Page: 160 / 180

146 IM FG410-01EN
7 SPECIFICATIONS
7.11 Other I/Os
External 10 MHz frequency reference input
Frequency reference selection External reference enable, disable (selectable)
Input voltage
0.5 Vp-p to 5 Vp-p
Maximum allowed input 10 Vp-p
Input impedance 1 kΩ , unbalanced, AC coupled
Input frequency 10 MHz (±0.5% (±50 kHz))
Input waveform Sine wave or square wave (50 ±5% duty)
Input connector Rear panel, BNC receptacle
Frequency reference output (for synchronizing multiple FG410, FG420 units)
Output voltage 1 Vp-p/50 Ω square wave
Output impedance 50 Ω , AC coupled
Output frequency 10 MHz
Output connector Real panel, BNC receptacle
External addition input
Addition gain
x2, x10, off (selectable)
During x2, the maximum output voltage range is fixed to 4 Vp-p,
and during x10, 20 Vp-p.
Off during sequence oscillation
Input voltage
-
1 V to +1 V
Maximum allowed input ±2 V
Input frequency DC to 10 MHz (
-
3 dB)
Input impedance 10 kΩ , unbalanced
Input connector Front panel (FG410) / rear panel (FG420)
BNC receptacle
Shared with external modulation input, cannot be used during
external modulation
Multi-I/O
Applications
Sweep control, sequence control
Input voltage TTL level (low level of 0.8 V or lower, high level of 2.6 V or
higher. Pulled up to +5 V through 10 kΩ)
Maximum allowed input
-
0.5 V to +5.5 V
Output voltage TTL level (low level of 0.4 V/open or lower, high level of 2.7 V/
open or higher)
Connector Rear panel, Mini-Dsub 15-pin multiconnector