Atec Agilent-E8251A - Manual (Page 2)

2
Frequency
Range 1
Frequency Range PSG-L Series PSG-A Series
250 kHz to 20 GHz E8241A E8251A
250 kHz to 40 GHz E8244A E8254A
Resolution 0.01 Hz
Accuracy Calibration = aging rate ± temperature effects
± line voltage effects
Switching speed (typical) 2
Analog modulation < 15 ms
Modulation off < 15 ms
Phase offset Adjustable in nominal 0.1° increments.
Frequency bands
Band Frequency range N #
1 250 kHz to 250 MHz 1/8
2 > 250 to 500 MHz 1/16
3 > 500 MHz to 1 GHz 1/8
4 > 1 to 2 GHz 1/4
5 > 2 to 3.2 GHz 1/2
6 > 3.2 to 10 GHz 1
7 > 10 to 20 GHz 2
8 > 20 to 40 GHz 4
Internal timebase reference oscillator
Standard Option UNJ
Aging rate < ±1 x 10 –7 /year or < ±3 x10 –8 /year or
< ±4.5 x 10 –9 /day < ±2.5 x 10 –10 /day
after 45 days after 24 hours
Temperature effects (typical) < ±5 x 10 –8 0 to 55°C < ±4.5 x 10 –9 0 to 55°C
Line voltage effects (typical) < ±2 x 10 –9 for < ±2 x 10 –10 for
+5% –10% change ±10% change
External reference frequency 1, 2, 2.5, 5, 10 MHz 10 MHz only
(within 1 ppm) (within 1 ppm)
Reference output
Frequency 10 MHz
Amplitude > +4 dBm typical into 50 Ω load
External reference input
Amplitude > –3 dBm
Opt UNJ 5 dBm ±5 dB 3
Input impedance 50 Ω, nominal
Digital sweep
Operating modes Step sweep of frequency or amplitude or both
(Start to stop)
List sweep of frequency or amplitude or both
(Arbitrary list)
Specifications
1 Useable to 100 kHz
2 To within 0.1 ppm of final frequency above 250 MHz or
within 100 Hz below 250 MHz
3 To optimize phase noise 5 dBm ± 2 dB
L and A Series