ACCEPTANCE TESTING
7-24 46882/439
Pulse modulation
Specification
Carrier frequency range:
32 MHz to 2.4 GHz, usable to 10 MHz.
RF level range:
Maximum guaranteed output is reduced by +5 dBm when pulse
modulation is selected.
RF level accuracy:
Maximum additional uncertainty is ±0.5 dB.
On/off ratio:
Better than 45 dB below 1.2 GHz.
Better than 40 dB above 1.2 GHz.
Rise and fall time:
Less than 10 μs.
Test equipment
Description Minimum specification Example
Power meter
±0.1 dB from 10 kHz to 2.4 GHz
IFR 6960B and
6912
Spectrum
analyzer
Frequency coverage 32 MHz to 2.4 GHz IFR 2386 or 2383
50 Ω load
(termination)
1 W, 50 Ω nominal impedance, DC to 2.4 GHz
Lucas Weinschel
M1404N
Oscilloscope 100 MHz bandwidth Tektronix
TDS 210
Function
generator
DC to 10 kHz square wave Agilent 3325B
Pulse modulation RF level frequency response
UUT
6912
Power Sensor
6960B
RF Power Meter
SENSOR
INPUT
PULSE
INPUT
OUTPUT
C3489
Function
Generator
Fig. 7-12 Pulse modulation test set-up
Test procedure
(1) Perform AUTO ZERO and AUTO CAL on the power meter.
(2) Connect the test equipment as shown in Fig. 7-12.
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General