Sundance SMT391 - Manual (Page 12)

Version 1.5 Page 12 of 18 SMT391 User Manual
Components location
The following diagram indicates the location of all the important connectors and
components on the SMT391 (Rev 2) PCB. This specific diagram is for an AC-coupled
analogue input stage using a Macom transformer.
Figure 7 – Connector Location on SMT391 (Rev 2 PCB, AC Coupled).
Diagram
Ref
Pcb
RefDes
Description Notes
A J9 External Trigger I Channel LVPECL Signal. Positive on inside of connector. Negative on
outside of connector.
E J10 External Trigger Q Channel LVPECL Signal. Positive on inside of connector. Negative on
outside of connector.
B J3 External Clock I Channel LVPECL Signal. Positive on inside of connector. Negative on
outside of connector.
F J4 External Clock Q Channel LVPECL Signal. Positive on inside of connector. Negative on
outside of connector.
C J1 ADC I Channel Input Analogue signal input for ADC Channel I. Signal on inside of
connector. Analogue ground on outside of connector.
G J2 ADC Q Channel Input Analogue signal input for ADC Channel Q. Signal on inside
of connector. Analogue ground on outside of connector.
D J8 Analog Test Signal Analogue output test signal. Variable between 200 and
350MHz. Signal on inside of connector, Analogue ground on
outside of connector. Use a 1:1 RF cable to connect J8 to
either J1 or J2 for easy verification of the working of the
ADC.
Figure 8 – Table of Connector Locations on SMT391.