Boonton 4540 Series RF Power Meter
General Information
1.6 Specifications
Performance specifications for the 4540 Series are listed in Table 1-2.
Performance specifications for all Boonton power sensors are found in the Boonton Sensor Manual, which
may be ordered as Boonton p/n 98501900J.
Table 1-2 4540 Series Performance Specifications
(Specifications are subject to change without notice)
SENSOR INPUTS
RF Frequency Range: 1 MHz to 110 GHz*
Pulse Measurement Range: -50 to +20 dBm*
Modulated Measurement Range: -55 to +20 dBm*
CW Measurement Range: -70 to +44 dBm*
Relative Offset Range: ±300.00 dB
Vertical Scale: Logarithmic 0.1 to 50 dBm/div in 1-2-5 sequence
0.1 to 50 dBV/div in 1-2-5 sequence
0.1 to 50 dBmV/div in 1-2-5 sequence
0.1 to 50 dBµV/div in 1-2-5 sequence
Linear 1 nW/div to 50 MW/div in 1-2-5 sequence
1 nV/div to 50 MV/div in 1-2-5 sequence
Rise time/Video Bandwidth: 7 ns / 70 MHz*
Single-Shot Bandwidth: 5 MHz (based on 10 samples per pulse)
Pulse Repetition Rate: 30 MHz max (for internally triggered measurements)*
Minimum Pulse Width: 15 ns*
* SENSOR DEPENDENT
MEASUREMENT SYSTEM
Sensor inputs: One or two sensor measurement channels.
Measurement Technique: Random repetitive sampling system that provides pre and post-trigger
data as well as statistical histogram accumulation.
Maximum Sampling Rate: 50 Mega-samples/second on two channels simultaneously. (Equivalent
effective sampling rate of 5 Giga-samples/second)
Memory depth: 262,144 samples at max sampling rate
Vertical Resolution: 0.008%, 14-bit A/D Converter
TIME BASE
Time Base Range: 10 ns/div to 1 hr/div
Time Base Accuracy: 0.01%
Time Base Resolution: 0.2 ns
Time Base Display: Sweeping or Roll Mode
Trigger Delay Range: 10 ns - 500 ns timebases -4 ms to +100 ms
1 µs - 10 ms timebases 4000 divisions
20 ms - 3600s timebases -40 to +100 s
Trigger Delay Resolution: 0.02 divisions
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