17
OPERATION
Front-panel connectors
1 RF OUT
SMA socket, 50 Ω.
2 I+ , I− , I IN
Option 01
only
Analog I output (I+ and I−), 50Ω single-
ended, 100 Ω differential. SMB sockets.
Analog I input (I IN), selectable
50Ω/100 kΩ.
3 10 MHz I/O Two SMA I/O sockets in parallel.
Input
External frequency standard input for
sampling clock. 0.4 to 4 V pk-pk into 50 Ω.
Output
Link-through from input.
4 Q+ , Q− ,
Q IN
Option 01
only.
Analog Q output (Q+ and Q−), 50Ω single-
ended, 100 Ω differential. SMB sockets,
50 Ω.
Analog Q input (Q IN), selectable
50Ω/100 kΩ.
5 LO IN 1.5 to 3 GHz, nominally 0 dBm. SMA
socket, 50 Ω.
6 DATA 68-way VHDCI connector for LVDS data
I/O, 14-bit IQ digital data input.
See Appendix B for details.
7
TRIG Input, TTL +ve or –ve edge. SMB socket,
50 Ω.
C6337
6
7
1
4
5
3
2
LO IN
Q-
Q+
I-
TRIG
I+ I IN
QIN
10 MHz
I/O
REV
PWR
25dBm MAX
DATA
RF OUT
Fig. 2 3020A/3020C/3025/3025C
front panel
Maximum safe power
Reverse power handling: not to exceed +20 dBm (3020A),
+25 dBm (all other models)
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