Boonton 4530 Peak Power Meter User Manual Uživatelský manuál stáhnout pdf (Strana 17)

Boonton Electronics Chapter 1

4530 Series RF Power Meter General Information

1-3

1.4.2 Calibration Sources

Internal Calibrator

Output Frequency: 50 MHz ± 0.005%

Level: -60 to +20 dBm

Resolution: 0.1 dB steps

Source SWR: 1.05 (reflection coefficient = 0.024)

Accuracy, 0° to 20°C, NIST traceable: At 0 dBm: ±0.055 dB (1.27%)

+20 to -39 dBm: ±0.075 dB (1.74%)

-40 to -60 dBm: ±0.105 dB (2.45%)

RF Connector: Type N

External Calibrator (See Appendix B)

Model 2530 1 GHz Calibrator (Purchased separately if required)

1.4.3 Trigger ( Peak power modes only. )

Modes: Pre-trigger and post-trigger

Trigger Time Resolution: 20 ns

Trigger Delay: ±900µs for timespans 5µs and faster

±4ms for timespans 10µs to 50µs

± (80 x TimeSpan) for timespans 50µs to 2ms

± (30 x TimeSpan) for timespans 5ms and slower

Trigger Holdoff: 0 µs to 1 sec, resolution 1µs

Internal Trigger Range: Equivalent to -30 to +20 dBm pulse amplitude range.

External Trigger Range: ±5 volts, ±50 volts with 10:1 divider probe.

External Trigger Input: 1 megohm in parallel with approximately 15pF, dc coupled.

External Trigger Connector: Rear-panel BNC input

1.4.4 Sampling Characteristics

Effective sampling rate: 50 Megasamples per second (each channel, pulse mode)

Sustained sampling rate: 2.5 Megasamples per second (each channel, pulse mode)

Measurement Technique: Continuous and triggered (burst) sampling

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Boonton 4530 Peak Power Meter User Manual Uživatelský manuál Strana 17