TB 9-6625-1914-35
Table 1. Calibration Description - Continued
Test instrument parameters
Performance specifications
Model 8552( ) - continued
Calibrator output:
Amplitude
-30 dBm 0.3 dB
(All models)
Frequency
30 MHz 300 kHz
(Model 8552A)
30 MHz 3 kHz
(Model 8552B)
Scan time accuracy
10% at 0.1 to 20 ms/div
20% at 50 ms/div to 10 s/div
Model 8553 ( )
Frequency range
1 kHz to 110 MHz (Model 8553B has two ranges: 0 to 11 MHz
and 1 kHz to 110 MHz)
Center frequency accuracy
1 MHz of center frequency dial indication (Model 8553B,
0 to 11 MHz 200 kHz with FINE TUNE control
centered)
Input impedance
50 Ω (models prefixed H01 and H02, 75 Ω)
Noise sidebands
>70 dB below CW signal, 50 kHz or more away from CW
signal with 1 kHz IF bandwidth
Frequency response
0.5 dB from 1 kHz to 110 MHz for attenuator settings
>10 dB
Average noise level (sensitivity)
Model 8553L: -110 dBm-bandwidth = 10 kHz
Model 8553B: -100 dBm-bandwidth = 10 kHz
Local oscillator stability
Stabilized: <20 Hz p-p
Unstabilized: <1 kHz p-p
Scan width accuracy
3% between 2 points except ranges between 50 kHz/div
and 1 MHz/div 10%
Spurious responses
>70 dB below -40 dBm RF signal between 2 and 110 MHz
Model 8554( )
Frequency range
100 kHz to 1250 MHz (Model 8554L, 500 kHz to 1250 MHz
Center frequency accuracy
10%
Input impedance
50Ω (models prefixed H01 and H02, 75Ω)
Noise sidebands
>70 dB below CW signal, 50 kHz away from signal with 1 kHz
bandwidth (Model 8554L, >60 dB below CW signal, 20 kHz
away with 1 kHz bandwidth)
Frequency response
1 dB from 100 kHz to 1250 MHz (Model 8554L, 500 kHz to
1250 MHz)
Average noise level (sensitivity)
-102 dBm with 10 kHz IF bandwidth
Local oscillator stability
Stabilized: 10 kHz/10 min
Unstabilized: 50 kHz/10 min
Scan width accuracy
Error between 2 points on display is <10% of the indicated
separation
Spurious responses
>60 dB below a -40 dBm input RF signal (Model 8554B, >65 dB
below -40 dBm input)
Model 8555( )
Dial accuracy
15 MHz on fundamental mixing bands
Frequency range
0.01 to 18 GHz
Noise sidebands
At least 70 dB below CW signal level 30 kHz away from
signal using a 1 kHz IF bandwidth and 100 Hz video
filter
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