Frequency Specifications, Agilent 8560 EC Series
Unless noted, all specifications describe the instrument’s warranted performance under the following conditions: 5-minute warm-up from ambient conditions,
autocoupled controls, digital display, IF ADJ ON, REF LVL CAL adjusted, SECOND IF OUTPUT and 1ST LO OUTPUT terminated in 50 Ω. After a 30-minute warm-up,
and over a temperature range of 20 °C to 30 °C, the preselector does not have to be peaked at each signal of interest; under these conditions factory preselector
peak values are sufficient to meet all specifications. Typical performance is non-warranted. Supplemental characteristics are denoted by “nominal” and
“approximately”; these constitute non-warranted functional performance information derived during the design process and are not tested on a continuing basis.
Frequency range
8560EC
8561EC
8562EC
8563EC
8564EC
8565EC
Internal
mixing
External
mixing
30 Hz 2 to
2.9 GHz
18 GHz to
325 GHz
30 Hz 2 to
6.5 GHz
30 Hz 2 to
13.2 GHz
18 GHz to
325 GHz
30 Hz 1 to
26.5 GHz
18 GHz to
325 GHz
30 Hz 1 to
40 GHz
30 Hz 1 to
50 GHz
18 GHz to
325 GHz
18 GHz to
325 GHz
18 GHz to
325 GHz
Frequency band
Harmonic mixing mode (N)
30 Hz to 2.9 GHz
1
1
2
4
4
8
2.75 GHz to 6.46 GHz
5.86 GHz to 13.2 GHz
12.4 GHz to 26.8 GHz
26.4 GHz to 31.15 GHz
31.0 GHz to 50 GHz
Frequency reference
Option 856xEC-103
3
Temperature stability
Aging (per year)
(per day nom.)
1 x 10–8
1x10–6
2x10–6
1 x 10–7
5 x 10–10 (4)
2.2 x 10–8
Initial achievable accuracy
1 x 10–6
Short-term warmup accuracy factors (nominal)
5 minute
15 minute
1 x 10–7
1 x 10–8
Frequency readout accuracy
(Start, stop, center and marker frequency functions)
6
6
Span > 2 MHz x N 5
Span ≤ 2 MHz x N5
(freq readout x freq ref accuracy +5% x span +15% x RBW +10 Hz)
(freq readout x freq ref accuracy +1% x span +15% x RBW +10 Hz)
Frequency counter accuracy
Marker count accuracy
(S/N ≥ 25 dB)
(marker freq x freq ref accuracy 7 +2 Hz x N 5
+1 LSD of counter)
Accuracy at 1 GHz
225 Hz (5-minute warm-up) 7
(25 °C, 1 yr aging, marker resolution = 1 Hz)
Delta count accuracy
135 Hz (15-minute warm-up) 7
3003 Hz (Option 856xEC-103)
(delta freq x freq ref accuracy 6
+ 4 Hz x N 5
+2 LSD)
Selectable from 1 Hz to 1 MHz
(S/N ≥ 25 dB)
Counter resolution
Frequency span
Range
0, 100 Hz to full span
(100 Hz x N 5 when using external mixers)
Accuracy
Span > 2 MHz x N 5
Span ≤ 2 MHz x N 5
5%
1%
1. Agilent 8563EC, 8564EC, 8565EC require Option 856xEC-006 for operation below 9 kHz.
2. Agilent 8560EC, 8561EC, 8562EC minimum frequency in AC coupled mode is 100 kHz . In DC coupled mode minimum frequency is 30 Hz.
3. –10 °C to +55 °C, referenced to 25 °C
4. After 7 day warm-up
5. N = harmonic mixing mode number
6. Frequency reference accuracy = aging x time since last adjustment + initial achievable accuracy + temperature stability
7. Short term warmup accuracy factors have been included in this calculation.
2
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