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GSM/GPRS/EDGE SIGNAL ANALYZER
JD7105B Base Station Analyzer
RF BURST:
Sets the trigger level when using the RF Burst (wideband) trigger. The value is
relative to the peak of the signal. RF Burst is also known as RF Envelope.
INTERNAL FB (FREE BURST):
Sets the trigger level to FB if there is a frequency burst signal.
RF BURST & TS (TRAINING SEQUENCE):
Sets the trigger level to Training Sequence Code.
EXTERNAL:
Sets the trigger level to external trigger reference.
FREE:
Sets the free trigger (auto trigger).
Setting External Clock
To enhance the reliability of Code Domain measurements the JD7105B must be synchronized with the
Base Station. When an external clock is not supplied, the JD7105B works with a built-in internal high-
accuracy time base. In this case, some measurement results may exhibit inaccurate values. Therefore,
it is highly recommended to use the same reference clock as signal source. Trigger mode can be
changed by using the
TRIGGER
hot key.
STANDARDS
Clock
Type
Reference
Port
Switching Standard
10 MHz
Internal
Internal 10 MHz
Default
External
External Ref Clock
Ext Ref (SMA)
Automatic switching
(Input signal level >-3 dBm)
External GPS
GPS Clock
GPS (SMA)
Automatic switching (GPS
signal received)
PP2S
Internal
Internal Trigger
Default
External
External Trigger
Trigger (SMA)
Manual switching
External GPS
GPS
GPS (SMA)
Manual switching
External Clock Operating Standard
Ext Ref Clock Input Ports
