Operating instructions

OPERATING MANUAL 2945A
46882-311D 5-5
Table 5-1 Carrier frequencies
Frequency UUT area checked 2440 range
400.000 kHz Oscillator, bottom A
1050.00000 MHz Oscillator, top C
500.00000 MHz Oscillator, middle B
188.88888 MHz
177.77777 MHz
166.66666 MHz
155.55555 MHz
144.44444 MHz
133.33333 MHz
122.22222 MHz
111.11111 MHz








B
B
B
B
B
B
B
B
RF output level
Specification
Level range: −127 dBm to −21 dBm (N-type socket)
Accuracy: ± 2 dB up to 1 GHz
Test equipment
Description Minimum specification Example
RF power meter ± 0.1 dB from 10 MHz to 1 GHz IFR 6960/A/B +
6920 sensor
Measuring
receiver
−21 dBm to −127 dBm, 2.5 MHz to 1 GHz HP 8902A +
11772A sensor
Spectrum
analyzer
Noise floor < −127 dBm IFR 2383
RF power meter
C2581
UUT
N TYPE
OUTPUT
SENSOR
INPUT
6920
Fig. 5-2 RF level set up
(1) Refer to Results table 5-2 on page 5-30. Connect the sensor to the UUT N-type output
socket, as shown in Fig. 5-2.
(2) Set the UUT to [Rx TEST], RF IN/OUT [SELECT] N-type output/antenna input mode,
[RF Gen], [ LEVEL]
−
21 dBm, [ FREQ] 10 MHz. All modulation and noise measurements
should be switched OFF.
Fractional N