42 S-Series Oscilloscopes Service Guide
3 Testing Performance
Connections
Equipment Required
Description Critical specifications Recommended model/
part number
Synthesized sine
wave source
Output Frequency: ≥ 10 MHz
Output Amplitude: 0 dBm
Frequency Resolution: 0.1 Hz
E8257D PSG w/opt. 520
10 MHz frequency
reference
Output Frequency: 10 MHz
Output Amplitude: 0 dBm to 10 dBm
Absolute Freq. accuracy: < ±1 ppb
GPS or equivalent 10 MHz
reference
High-frequency cable
(provided)
50 ohm characteristic impedance 54609-61609
RF cable 50 ohm characteristic impedance
BNC (m) connectors
8120-1840
RF adapter APC 3.5 (f) to BNC (f) or equivalent
For example: APC 3.5 (f) to (f) plus SMA (m)
to BNC (f)
10 MHz from GPS or equivalent
reference connected to the 10 MHz IN
port on rear panel. Must be 0-10 dBm.
8120-1840 or equivalent
GPS or equivalent 10 MHz
Frequency Reference
Front
Rear
E8257D Sine Wave Source
RF Out
RF Input to channel 1
S-Series
channel 1 input
RF Adapter
54609-61609
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