Ordering information, Electrical specifications, Pin assignments – Linx Technologies EVM-GPS-R4 User Manual

Page 4: Pcb layout, Schematic

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Ordering Information

Ordering Information

Part Number

Description

EVM-GPS-R4

R4 Series Evaluation Module

RXM-GPS-R4

R4 Series GPS Receiver Module

Figure 2: Ordering Information

Electrical Specifications

Ordering Information

Parameter

Designation Min. Typ. Max. Units

Notes

POWER SUPPLY

Supply Voltage

V

CC

3.0

3.3

3.6

VDC

Supply Current

I

CC

Peak

122

mA

1

Acquisition

56

mA

1

Tracking

33

mA

1

Hibernate

0.43

mA

1

Backup Battery Voltage

V

BAT

2.0

VDC

Backup Battery Current

I

BAT

660

830

µA

2

2.85V Output Voltage

V

OUT

V

CC

VDC

2.85V Output Current

I

OUT

2

mA

ANTENNA PORT

RF Input Impedance

R

IN

50

Ω

ENVIRONMENTAL

Operating Temperature Range

–40

+85

°C

Storage Temperature Range

–40

+85

°C

Figure 3: Electrical Specifications

Notes:
1. V

CC

= 3.3V, without active antenna

2. V

CC

= 0V

Warning:

This product incorporates numerous static-sensitive

components. Always wear an ESD wrist strap and observe proper ESD
handling procedures when working with this device. Failure to observe
this precaution may result in module damage or failure.

Pin Assignments

1.20”

(47.24)

0.10”

(2.54)

0.10”

(2.54)

0.10”

(2.54)

1.10”

(27.94)

1.00”

(25.40)

Ø0.04” x 10

(1.02)

GND
NC
NC
VCC
NC
VBACKUP
NC
NC
NC
GND

GND

NC
NC

TXM

RXM

1PPS

RESET

RFPWRUP

ON_OFF

GND

Figure 4: EVM-GPS-R4 Pin Assignments

PCB Layout

Figure 5: EVM-GPS-R4 PCB Layout Dimensions

Schematic

1

2

3

4

5

6

7

8

9

10

J1

GND

GND

1

2

3

4

5

6

7

8

9

10

J2

GND

GND

RF

GND

ANT1

CONREVSMA001

GND

GND

GND

GND

GND

NC

1

NC

2

1PPS

3

TXM

4

RXM

5

NC

6

NC

7

RESET

8

RRPWRUP

9

ON_OFF

10

VBACKUP

11

VIN

12

13

14

15

NC

16

VOUT

17

GND

18

RFIN

19

GND

20

GND

21

GND

22

U1

RXM-GPS-R4

L1

300ohm BEAD

NC

NC

NC

Figure 6: EVM-GPS-R4 Schematic

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