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UPC2708TB

5 V, SUPER MINIMOLD WIDEBAND SI RFIC AMPLIFIER

California Eastern Laboratories. 

UPC2708TB

PIN DESCRIPTIONS

Pin No.

1

Symbol

Input

Applied

Pin

Voltage (V) Voltage (V)

–

1.16

4

Output

–

6

VCC

4.5 to 5.5

–

2

GND

0

–

3

5

Description

Signal input pin. An internal matching circuit,

configured with resistors, enables 50 Ω connection

over a wide bandwidth. A multi-feedback circuit is

designed to cancel the deviations of hFE and

resistance. This pin must be coupled to the signal

source with a blocking capacitor.

Signal output pin. Connect an inductor between

this pin and VCC to supply current to the internal

output transistors.

Power supply pin. This pin should be externally

equipped with a bypass capacitor to minimize

ground impedance.

Ground pins. These pins should be connected to

system ground with minimum inductance. Ground

pattern on the board should be formed as wide as

possible. All the ground pins must be connected

together with wide ground pattern to minimize

impedance difference.

Internal Equivalent

Circuit

6

VCC

OUT

4

1

IN

2, 3, 5

SYSTEM APPLICATION EXAMPLE

EXAMPLE OF DBS CONVERTERS

Parabola

Antenna

BS Antenna

(DBS ODU)

RF Amp.

Mixer

UPC2711TB

UPC2712TB

IF Amp.

To

IDU

UPC2708TB

EXAMPLE OF 2.4 GHz BAND RECEIVER

RX

Oscillator

DEMO

I

Q

SW

PLL

PLL

TX PA

Driver

UPC2708TB

I

0˚

φ

90˚

Q

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