Symmetricom 59552A, Руководство пользователя, Страница: 22 / 52

Chapter 2 Configuring Your 59552A/59553A
Introduction
2-4 User’s Guide
The following sections describe how to configure your amplifier and
receiver for your application.
Table 2-1. 59552A/59553A Two-Signal Configuration
Feature
*
Choices Factory 59552A Jumpers 59553A Jumpers
Default
(
!
)
Jumper
Pin
Position
Jumper
Pin
Position
Mode Combined (two signals)
!
P5 1,2 P4 1,2
P6 1,2
Digital Input On-Time Edge Rising Edge of Input
!
P7 1,2
P8 1,2
Falling Edge of Input P7 2,3
P8 2,3
Input Impedance, Analog 600 Ohms
!
P3 2,3
10 kilohm P3 1,2
Input Impedance, Digital 50 Ohms to GND
!
P4 1,2
1 kilohm to +5 Volts P4 2,3
Digital Output On-Time
Edge Rising Edge at Output
!
P3 1,2
Falling Edge at Output P3 2,3
* The boldfaced choices in this column indicate the factory defaults.
Table 2-2. 59552A/59553A One-Signal Configuration
Feature
*
Choices Factory 59552A Jumpers 59553A Jumpers
Default
(
!
)
Jumper
Pin
Position
Jumper
Pin
Position
Mode Digital (one signal) P5 2,3 P4 2,3
P6 2,3
Digital Input Conditioning Output replicates input
!
P7 1,2
P8 1,2
Input Impedance, Analog Input unused
!
P3 2,3
Input Impedance, Digital 50 Ohms to GND
!
P4 1,2
1 kilohm to +5 Volts P4 2,3
Digital Output Conditioning
**
Rising Edge at Output
!
P3 1,2
* The boldfaced choices in this column indicate the factory defaults.
** Both the rising and falling edges are preserved.