DPO4USB datasheet(28/46 Pages) TEKTRONIX

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Absolute amplitude accuracy

(AAA) and channel response (CR),

with TPA-N-PRE preamp attached

AAA: ≤ ±0.5 dB (typical), 18

⁰C - 28 ⁰C temperature range, 50 kHz to 6 GHz, either preamp state.

AAA: ≤ ±2.0 dB (typical), 18

⁰C - 28 ⁰C temperature range, 9 kHz to 50 kHz, either preamp state.

AAA: ≤ ±2.3 dB (typical), over full operating range, either preamp state.

CR: 0.0 dB

Crosstalk to spectrum analyzer

from oscilloscope channels

≤1 GHz input frequencies

< -68 dB from ref level

>1 GHz - 2 GHz input

frequencies

< -48 dB from ref level

Phase noise at 1 GHz CW

1 kHz

< -104 dBc/Hz,(typical)

10 kHz

< -108 dBc/Hz, < -111 dBc/Hz (typical)

100 kHz

< -110 dBc/Hz, < -113 dBc/Hz (typical)

1 MHz

< -120 dBc/Hz, < -123 dBc/Hz (typical)

Reference frequency error

(cumulative)

Cumulative error: 1.6 x 10-6

Includes allowances for aging per year, reference frequency calibration accuracy, and temperature stability

Valid over the recommended one-year calibration interval, from 0 °C to +50 °C

Marker frequency measurement

accuracy

±((1.6x 10-6 x Marker-Frequency) + (0.001 x span + 2)) Hz

Example: assuming the span is set to 10 kHz and the marker is at 1500 MHz, this would result in a Frequency Measurement

Accuracy of +/-((1.6 x 10 -6 x 1500 MHz) + (0.001 x 10 kHz + 2)) = +/- 2.412 kHz.

Marker Frequency with Span/RBW ≤ 1000:1

Reference Frequency Error with Marker level to displayed noise level > 30 dB

Frequency measurement

resoultion

1 Hz

Maximum operating input level

Average continuous power

+30 dBm (1 W) for reference levels ≥ -20 dBm

+24 dBm (0.25 W) for reference levels < -20 dBm

DC maximum before damage

±40 VDC

Maximum power before

damage (CW)

+32 dBm (1.6 W) for reference levels ≥ -20 dBm

+25 dBm (0.32 W) for reference levels of < -20 dBm

Maximum power before

damage (pulse)

Peak Pulse Power: +45 dBm (32 W)

Peak Pulse Power defined as <10 μs pulse width, <1% duty cycle, and reference level of ≥ +10 dBm

Maximum operating input level

with TPA-N-PRE preamp attached

Average continuous power

+30 dBm (1 W)

DC maximum before damage

±20 VDC

Maximum power before

damage (CW)

+30 dBm (1 W)

Maximum power before

damage (pulse)

+45 dBm (32 W) (<10 μs pulse width, <1% duty cycle, and reference level of ≥ +10 dBm)

Datasheet

2- Spectrum Analyzer (requires Option SA3 or SA6)

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