Agilent Technologies U2761A External frequency reference, ±1% of settling ±5 mV ±10 mV @ Hi-Z

Characteristics and Specifications 3

COMMON CHARACTERISTICS

Amplitude

Range	40 mVpp to 5 Vpp (Into 50 Ω load)
	80 mVpp to 10 Vpp (Into open circuit)
Accuracy 1 (across 50 Ω load at 1 kHz)	±1% of settling ±5 mV (±10 mV @ Hi-Z)
Units	Vpp, Vrms, dBm
Resolution	4 digits
DC offset
Range (peak AC + DC)	±2.5 V (Into 50 Ω load)
	±5 V (Into open circuit)
Accuracy 1 (across 50 Ω load)	±2% of offset setting ±1% of amplitude setting ±5 mV
	(±10 mV @ Hi-Z)
Amplitude limit	Amplitude + Offset limit to within ±2.5 V range across 50 Ω load or
	±5 V across open circuit
Main output
Impedance	50 Ω load (Typical)
Isolation	At least 42 Vpk to earth
Protection	Short-circuit protected, overload automatically disables main output
Internal frequency reference
Accuracy 4	±8 ppm in 1 year
External frequency reference
Input lock range	10 MHz ± 170 Hz
Input amplitude level	500 mVpp to 5 Vpp
Impedance	50 Ω AC coupled
Lock time	<2 s
Output frequency	10 MHz
Output amplitude level	632 mVpp, typical
Impedance	Return loss 10 dB typical at 10 MHz
Phase offset
Range	+360° to –360°
Resolution	0.01°
Accuracy	20 ns

U2761A User’s Guide 99