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LX1970

 

E

VALUATION 

B

OARD 

 

U

SER 

G

UIDE

 

Copyright © 2002 

Microsemi

 Page 

Rev. 1.1 9/23/03    

Integrated Products

 

11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570 

 

L X 1 9 7 0   E V A L U A T I O N   B O A R D   C O M P O N E N T   L I S T  

 

 

M I S C E L L A N E O U S   C O M P O N E N T S  

Part Description 

Manufacturer & Part # 

Reference       

Designators 

Qty 

IC, Sensor 

M

ICROSEMI

 LX1970ILM 

U1 

IC, Controller 

M

ICROSEMI

 LX1990I 

U2 

Diodes V

ARIOUS

 1N4148 

D1,D2 

LEDs, WHITE Bright       

Microsemi 

UPWLED470A 

Optomite or equivalent 

LED1 , LED2 

Terminals/Probe Standoffs 

 

Various 

 

 

C A P A C I T O R S  

Part Description 

Manufacturer & Part # 

Reference       

Designators 

Qty 

Capacitor, X7R, 100nF, 50V, 10%              

Any 

C2 

Capacitor, X7R, 1uF, 50V, 10%                  

Any 

C1, C2 

 

 

R E S I S T O R S  

Part Description 

Manufacturer & Part # 

Reference       

Designators 

Qty 

Resistor, Pot Thumbwheel  100K  

Any 

R1,R2,R6 

Resistor, 4.12K, 1%, 1/16W      

Any 

R7 

 
 

Resistor, 10K, 1%, 1/16W   

Any 

R1,R5 

 

Resistor, 50.0K, 1%, 1/16W      

Any 

R3 

 

L X 1 9 7 0   E V A L U A T I O N   B O A R D   S I L K S C R E E N   &   P C B   T R A C E S  

 

 

 

BOTTOM

SRC

ADJUST

LED-UPW

LX1990

ADJUST

SRC TOP

LED DRIVER

LIGHT

SENSOR

LX1970

0.8MM

1.0MM

1.2MM

1.5MM

1.75MM

2.0MM

D2 OUT

D2 IN

LX1970 ONLY

DIVIDER

SRC

OPEN

2.5MM

DARK

2

ADJUST

SNK

2

2

EVALUATION BOARD

LX1970

(800) 877-6458

MICROSEMI

PULL-UP

DRIVER

SNK

APERTURE'S

U2

SNK

GND0

VDD

J1

C2

LED2

LED1

J4

R7

R5

C3

R4

2

DARK

2.5MM

OPEN

SRC

DIVIDER

LX1970 ONLY

D2 IN

D2 OUT

2.0MM

1.75MM

1.5MM

1.2MM

1.0MM

0.8MM

LX1970

SENSOR

LIGHT

LED DRIVER

SRC TOP
ADJUST

LX1990

LED-UPW

ADJUST

SRC

BOTTOM

DIODE

PULL
DOWN

R6

2

SNK

ADJUST

2

DARK

2.5MM

OPEN

SRC

DIVIDER

LX1970 ONLY

D2 IN

D2 OUT

2.0MM

1.75MM

1.5MM

1.2MM

1.0MM

0.8MM

LX1970

SENSOR

LIGHT

LED DRIVER

SRC TOP
ADJUST

LX1990

LED-UPW

ADJUST

SRC

BOTTOM

SNK PULL-UP

C1

SRC0

D2

SRC

J2

D1

J3

GND

SRC FIXED

U1

R3

R2

R1

2

2

SNK

ADJUST

2

DARK

2.5MM

OPEN

SRC

DIVIDER

LX1970 ONLY

D2 IN

D2 OUT

2.0MM

1.75MM

1.5MM

1.2MM

1.0MM

0.8MM

LX1970

SENSOR

LIGHT

LED DRIVER

SRC TOP
ADJUST

LX1990

LED-UPW

ADJUST

SRC

BOTTOM

SRC ADJ.

 

BOTTOM

SRC

ADJUST

LED-UPW

LX1990

ADJUST

SRC TOP

LED DRIVER

LIGHT

SENSOR

LX1970

D2 OUT

D2 IN

LX1970 ONLY

DIVIDER

SRC

OPEN

2

ADJUST

SNK

2

2

EVALUATION BOARD

LX1970

(800) 877-6458

MICROSEMI

PULL-UP

DRIVER

SNK

APERTURE'S

U2

SNK

GND0

VDD

J1

C2

LED2

LED1

J4

R7

R5

C3

R4

2

OPEN

SRC

DIVIDER

LX1970 ONLY

D2 IN

D2 OUT

LX1970

SENSOR

LIGHT

LED DRIVER

SRC TOP
ADJUST

LX1990

LED-UPW

ADJUST

SRC

BOTTOM

DIODE

PULL
DOWN

R6

2

SNK

ADJUST

2

OPEN

SRC

DIVIDER

LX1970 ONLY

D2 IN

D2 OUT

LX1970

SENSOR

LIGHT

LED DRIVER

SRC TOP
ADJUST

LX1990

LED-UPW

ADJUST

SRC

BOTTOM

SNK PULL-UP

C1

SRC0

D2

SRC

J2

D1

J3

GND

SRC FIXED

U1

R3

R2

R1

2

2

SNK

ADJUST

2

OPEN

SRC

DIVIDER

LX1970 ONLY

D2 IN

D2 OUT

LX1970

SENSOR

LIGHT

LED DRIVER

SRC TOP
ADJUST

LX1990

LED-UPW

ADJUST

SRC

BOTTOM

SRC ADJ.

BATTERY

GND

BLK

VDD

RED

SGE3010 X

 

 

Figure 1 

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