Texas Instruments LMX2594 - 3 EVM Description

Voltage Regulator
Not Enabled
Diff. RF Output A
Diff. RF Output B
LMX2594
100 MHz XO
Diff. Reference Input
Single Ended Signal
Can Be Used
Power Supply 3.3 Volt
Sync
Sys Ref
Lock Indicator LED
Switch to Select:
1) SPI read block
2) Lock Indicator
(1 or 2)
Loop Filter
Components (*_LF)
Serial Interface Pin-out
2 4 6 8 10
1 3 5 7 9
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SNAU210–March 2017
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LMX2594 EVM Instructions – 15-GHz Wideband Low Noise PLL With
Integrated VCO
3 EVM Description
The LMX2594 is populated on a 4-layer PCB. This brief description should help you use the EVM:
Figure 3. LMX2594EVM Description
The serial interface pin description is as follow:
Table 1. EVM and Serial Interface Connector
Description
NO. NAME
1
RAMPDIR and CE (Choose with
Resistors on Board)
2 CSB
3 MUXout
4 SDI
5 Not Used
6 GND
7 RampCLK
8 SCK
9 SysRefReq
10 SYNC