Tektronix H600 RFHawk, Руководство по обслуживанию

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Speci fi cations
Table 6-1: General performance characteristics (cont.)
Characteristic
Description
Error, GPS
corrected, Typical ± (10 Hz + 0.01 ppm)
External Reference Input
Impedance
1500 Ω
Frequency
Range 1 MHz up to 20 MHz ± 1 PPM in 1 MHz steps
Input Level
Range –15 dBm to +15 dBm, 1 MHz to 15 MHz
–10 dBm to +15 dBm, 16 MHz to 20 MHz
dBm levels assume 50
Ω source
Trigger
Timing/Trigger
External
Trigger Input
Characteristics Impedance: 10 k Ω
Minimum High Threshold: 2.0 V
Maximum Low Threshold: 0.8 V
Minimum High Time: 10 ns
Minimum Low Time: 10 ns
Maximum Input Level without Damage: ±5 V peak continuous
Coupling: DC
Acquisition Mode Single or Continuous, Free Run or Triggered
Trigger disabled during Audio Demod, Signal Strength, and DPX
measurements
Trigger Source IF Level or Timing/Trigger Input
Trigger Types
Trigger on rising edge, falling edge, above threshold level, or below
threshold level
Trigger Delay Range: 0 to 60 seconds
Resolution: 1
μ s
Trigger Position Range: 0 to 100%
Resolution: 1%
IF Level Trigger The IF Level trigger compares the digitized time-domain data-stream
level against the threshold level setting.
6–2 H600 & SA2600 Service Manual