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UPC8129GR

UP CONVERTER WITH AGC FUNCTION + QUADRATURE MODULATOR IC FOR DIGITAL MOBILE COMMUNICATION SYSTEMS

NEC => Renesas Technology 

µPC8129GR

PIN EXPLANATION

Pin No.

8

9

Symbol

LO1in

LO1in b

Supply

Voltage

(V)

–

–

Pin

Voltage

Typ. (V)

@VCC = 3 V

0

2.3

Description

Lo1 input for phase shifter.

This input impedance is 50 Ω

matched internally.

Bypass of Lo1 input.

This pin is grounded through

internal capacitor.

Equivalent Circuit

8

50 Ω

9

10

GND for

0

Modulator

11

–

Connect to the ground with

minimum inductance.

Track length should be kept as

short as possible.

12

LO2in b

–

1.9

Bypass of Lo2 input.

Grounded through external

13

capacitor.

13

LO2in

–

1.9

Lo2 input of Up-converter.

12

This pin is high impedance input.

14

GND for

0

Up-con.

17

–

Connect to the ground with

minimum inductance.

Track length should be kept as

short as possible.

15

VAGC

0 to VCC

–

Input for AGC amplifier.

Total Output Power can be

controlled by changing input

voltage.

And as external series resistance

(RAGC) connecting, a slope of

AGC curve can be changed by

the resistance (RAGC).

16

Power

0 to VCC

–

Power save control pin can be

Save

controlled ON/OFF state with

16

bias as follows;

VPS (V)

2 to VCC

0 to 0.5

STATE

ON (Active Mode)

OFF (Sleep Mode)

19

VCC for

2.7 to 5.5

–

Up-

converter

20

VCC for

2.7 to 5.5

–

Modulator

Supply voltage pin for Up-

converter.

Supply voltage pin for modulator.

Internal regulator can be kept

stable condition of supply bias

against the variable

temperature or VCC.

: Externally

Data Sheet P12781EJ2V0DS00

9

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