Front and Rear Panel ESG Family Signal Generators
Rear Panel Overview
3-14
User’s Guide
5. DATA CLK OUT Connector
The DATA CLK OUT connector outputs a clock signal for digital modulation data. The
output signal level is TTL or CMOS with the rising edge aligned with the beginning of the
data bit and the falling edge occurring when the data and symbol synchronization signal
are valid. The damage levels are > +8 and <
−
4 V. This female BNC connector is provided
only on instruments with Option UND or UN8. If you configure your instrument with
Option 1EM, this output is changed from a BNC to an SMB connector. With Option 201
you can select from several different output signals for this connector.
6. SWEEP OUT Connector
This female BNC connector provides a voltage range of 0 to +10 V. When the signal
generator is sweeping, the SWEEP OUT signal ranges from 0 V at the beginning of the
sweep to +10 V at the end of the sweep regardless of the sweep width. In CW mode this
connector has no output. The output impedance is less than 1
Ω
and can drive 2 k
Ω.
7. DATA OUT Connector
The DATA OUT connector outputs digital modulation data sourced from an externally
supplied signal at the DATA input or from the internal pattern generator. The output
signal level is a TTL or CMOS signal where a CMOS high is equivalent to a data 1 and a
CMOS low is equivalent to a data 0. This female BNC connector is provided only on
instruments with Option UND or UN8. If you configure your instrument with Option
1EM, this output is changed from a BNC to an SMB connector. With Option 201 you can
select from several different output signals for this connector.
8. TRIGGER OUT Connector
This female BNC connector outputs a TTL signal that is asserted high at the start of a
dwell sequence, or at the start of waiting for the point trigger in manual sweep mode, and
low when the dwell is over, or when the point trigger is received, or once per sweep during
an LF sweep. The logic polarity can be reversed.
9. TRIGGER IN Connector
This female BNC connector accepts a TTL signal for triggering operations, such as
point-to-point in manual sweep mode or an LF sweep in external sweep mode. Triggering
can occur on either the positive or negative edge. The damage level is
≥
+10 V or
≤−
4V.
10. 10 MHz IN Connector
This female BNC connector accepts a −3.5 to +20 dBm signal from an external timebase
reference that is within ±10 ppm (standard timebase) or ±1 ppm (high stability timebase).
The nominal input impedance is 50Ω. The signal generator detects when a valid reference
signal is present at this connector and automatically switches from internal to external
reference operation.
11. 10 MHz OUT Connector
This female BNC connector provides a nominal signal level of +7 dBm ±2 dB, and an
output impedance of 50Ω. The accuracy is determined by the timebase used.
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