ESG Family Signal Generators Front and Rear Panel
Rear Panel Overview
User’s Guide 3-19
25. BER SYNC LOSS Connector
The BER SYNC LOSS connector outputs a signal that indicates the synchronization loss
state. This signal is only valid when the signal of the BER MEAS END connector is high.
Synchronization loss state is detected when the signal is low. The damage levels are > +8
and <
−
4 V. This female SMB connector is provided only on instruments with Option UN7.
26. BER DATA IN Connector
Use this connector to input the data streams for the bit-error-rate measurements. The
rising (positive) or falling (negative) edge of the BER CLK IN signal (selected by the
softkey or the GPIB command) is used to trigger the reading of the data. The damage
levels are > +8 and <
−
4 V. This connector must be terminated with a TTL-compatible high
impedance or 75
Ω
load
.
If you configure your instrument with Option 1EM, this input is
changed from a BNC to an SMB connector. This female BNC connector is provided only on
instruments with Option UN7.
27. BER CLK IN Connector
Use this connector to input the clock signal for the bit-error-rate measurements. The rising
(positive) or falling (negative) edge of the signal (selected either by softkey or GPIB
command) causes data on the BER DATA IN connector to be sampled. The damage levels
are > +8 and <
−
4 V. This connector must be terminated with a TTL-compatible high
impedance or 75
Ω
load. If your instrument is configured with Option 1EM, this input
changes from a BNC to an SMB connector. This female BNC connector is provided only on
instruments with Option UN7.
28. BER GATE IN Connector
Use this connector to input the clock gate signal for the bit-error-rate measurements. The
clock signal to the BER CLK IN connector is valid only when the signal to this connector is
a high or low, depending on your softkey selection or GPIB command. The damage levels
are > +8 and <
−
4 V. This connector must be terminated with a TTL-compatible high
impedance or 75
Ω
load. This connector can be enabled or disabled by a softkey or an GPIB
command. This female BNC connector is provided only on instruments with Option UN7.
29. 321.4 MHz IN Connector
Use this connector to input a downconverted 321.4 MHz GSM signal for base transceiver
station (BTS) loopback measurements. This female SMB connector is present only on
instruments with Option 300.
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