Applied

Pin

Functions and Applications

Internal Equivalent Circuits

Pin

Pin

Voltage

Voltage

No.

Name

(V)

(V)

15

VCC

2.7 to 3.3

-

Supply voltage pin of AGC amplifier and

—

(AGC,

internal regulator.

REG.)

16

IF_IN

-

2.75

IF signal input pin.

This pin is input of AGC amplifier.

Balance input between 16, 17 pin.

Input frequency is 190 MHz.

17

IF_INb

-

2.75

IF signal input pin.

In the case of signal local input, this pin

must be decoupled with capacitor.

20

High:

-

Power saving pin.

This pin modulator can control

Active/Sleep state with bias as follows.

Low:

0 to 0.5

State

0 to 0.5

Sleep Mode

2.2 to 3

Active Mode

UPC8194K

GND

1.2 k

1.2 k

16

17

1.1 k

GND

100 k

100 k

20

AGC1 AGC2 AGC3

PC8194K

µ

LO Buffer

18 pF

330 pF

IF in

100 pF

I

IX

Q

QX

100

pF

100 nH

7 pF

68 nH

330 pF

1.2 kΩ

2.2 nF

2.2 nF

REG. and

Gain Control

1/4 freq.

+ Phase

Shifter

3.3 kΩ

3.3 kΩ

3.3 kΩ

3.3 kΩ

1 F

µ

1 F

µ

1 F

µ

1 F

µ

TOKO

Balun transformer

616DB-1078

Remark

: AC connector

: DC terminal

: Feed through capacitor