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Specifications – Atec Agilent-N1996A User Manual

Page 9

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9

Specifications

Frequency
Range

100 kHz to 3 GHz (Option 503)
100 kHz to 6 GHz (Option 506)

Frequency readout accuracy

± {frequency indication x frequency reference accuracy +
1% x span + 10% x RBW + 0.5 x [span/(sweep points -1)] + 1Hz}

Internal reference accuracy

≤ ± 5 ppm/year (within 2 years of adjustment)

Aging rate

≤ ± 2 ppm/year

Temperature stability

≤ ± 1 ppm

Resolution bandwidth (RBW)

10 Hz to 200 kHz in 10% steps, 250 kHz, 300 kHz, 510 kHz, 1 MHz, 3 MHz, 5 MHz

Selectivity (60 dB/3 dB bandwidth ratio)

Digital, approximately Gaussian shape

Span > 0; RBW

≤ 200 kHz

< 8.4:1 (nominal)

Span > 0; RBW

≥ 250 kHz

< 4.5:1 (nominal)

Zero span; RBW

≤ 10 kHz

< 6.5:1 (nominal)

Zero span; RBW

≤ 200 kHz

< 3:1 (nominal)

Zero span

3 kHz to 5 MHz in 1, 3, 5 sequence, 250 kHz and 1.25 MHz

Accuracy

(RBW

≤ 200 kHz)

< 2% zero span; < 7% span > 0 (nominal)

(RBW = 250 kHz, 300 kHz, 1 MHz, 3 MHz)

< 4% zero span; < 4% span > 0 (nominal)

Video bandwidth (VBW)

1 Hz to 8 MHz and 50 MHz (wide open)
1 Hz to 10 Hz in 1 Hz steps
10 Hz to 3 MHz in 10% steps 4, 5, 6, 8, 30 MHz

Displayed average noise level (typical)

Preamp on

Preamp off

Preamp on

10 Hz RBW

10 Hz RBW

norm to 1 Hz

500 MHz

-148 dBm

-130 dBm

-158 dBm/Hz

1 GHz

-146 dBm

-128 dBm

-156 dBm/Hz

2 GHz

-142 dBm

-124 dBm

-152 dBm/Hz

3 GHz

-144 dBm

-130 dBm

-154 dBm/Hz

4 GHz

-142 dBm

-128 dBm

-152 dBm/Hz

5 GHz

-139 dBm

-125 dBm

-149 dBm/Hz

6 GHz

-136 dBm

-122 dBm

-146 dBm/Hz

Phase noise

-85 dBc at 10 kHz offset (500 MHz to 2.5 GHz, typical)
-124 dBc at 1 MHz offset (10 MHz to 2.2 GHz, nominal)
-82 dBc at 10 kHz offset (2.5 to 6 GHz, typical)

Sweep and trace update times
Sweep time setting range (zero span)

1 µs to 10 s*

Remote sweep and trace transfer

Span = 0

120 ms minimum

Span

≤ 100 MHz

300 ms

Span = 3 GHz

1 sec

Trace points

Settable 2 to 1001, 401 default

Amplitude accuracy (20 to 30 °C)
Overall amp accuracy (95% confidence)
(20 to 30 °C, peak detector, preamplifier off,

±0.5 dB 10 MHz to 1 GHz

input signal 0 dBm to -50 dBm)

±0.6 dB 1 GHz to 3 GHz
±0.8 dB 3 GHz to 6 GHz

Absolute amp accuracy at 50 MHz ref

±0.4 dB

Frequency response

±0.7 dB 250 kHz to 10 MHz

(when RBW

≤ 200 kHz)

±0.4 dB 10 MHz to 1 GHz
±0.6 dB 1 GHz to 2.7 GHz
±0.7 dB 2.7 GHz to 3 GHz
±1.1 dB 3 GHz to 6 GHz

Scale fidelity

±0.2 dB (-10 to -80 dBm mixer level)

RBW switching

±0.3 dB

Attenuator switching

±0.2 dB (nominal)

* RBW dependent, refer to technical specifications for details