Atec Agilent-E8257D - Manual (Page 6)

Step attenuator 1 (Option 1E1)
Options 520, 532, and 540 0 dB and 5 dB to 115 dB in 10 dB steps
Options 550 and 567 0 dB to 90 dB in 10 dB steps
Maximum available power (measured)
Attenuator hold range
Minimum
From –20 dBm to maximum specified output power with step
attenuator in 0 dB position. Can be offset using Option 1E1 attenuator.
Amplitude switching speed 2
ALC on or off < 3 ms (typ)
(without power search)
Level accuracy
3 (dB)
Frequency > +10 dBm +10 to 0 dBm 0 to –10 dBm –10 to –20 dBm
250 kHz to 2 GHz ±0.6 ±0.6 ±0.6 ±1.4
> 2 GHz to 20 GHz ±0.8 ±0.8 ±0.8 ±1.2
> 20 to 40 GHz ±1.0 ±0.9 ±0.9 ±1.3
> 40 to 50 GHz --- ±1.3 ±0.9 ±1.2
> 50 to 67 GHz --- ±1.5 ±1.0 ±1.2 (typ)
6
Option 520 with Option 1EA (measured
26
24
22
20
18
16
0 5000
Frequency (MHz)
Option 550/567 with Option 1EA (measur
Output power (dBm)
Frequency (GHz)
30
25
20
15
10
5
0
0 10 20 30 40 50 60 70
Option 532/540 with Option 1EA (measu
26
24
22
20
18
16
0 10000
Frequency (MHz)
1. The step attenuator provides coarse power attenuation to achieve low power levels. Fine power level adjustment is provided
by the ALC (Automatic Level Control) within the attenuator hold range.
2. To within 0.1 dB of final amplitude within one attenuator range. Add 10 to 50 ms when using power search.
3. Specifications apply in CW and list/step sweep modes over the 15 to 35 ºC temperature range with the ALC on. Degradation
outside this range, for power levels > –10 dBm, is typically < 0.3 dB. In ramp sweep mode (with Option 007), specifications
are typical. For instruments with Type-N connectors (Option 1ED), specifications are degraded typically 0.2 dB above 18 GHz.
Specifications do not apply above the maximum specified power.