HFA3664IA 데이터 시트보기 (PDF) - Intersil

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HFA3664IA

2.7GHz UpConverter with Gain Control

Intersil 

Typical Application Diagram

HFA3664

PRISM FULL DUPLEX CHIP SET

HFA3424/21

HFA3661

HFA3761 (File #4236)

(File #4131)

(File #4240)

FILTER

D

U

LNA

BPF

LNA

RF/IF

IF AGC

QMODEM

LPF

P

CONVERTER

LPF

L

E

RF LO1

X

E

R

HFA3524

(File #4062)

SYNTHESIZER

IF LO1

HFA3524

(File #4062)

HFA3925

(File #4132)

PA

BPF

SYNTHESIZER

RF LO2

AGC

IF/RF

CONVERTER

HFA3663 (File #4241)

HFA3664 (File #4242)

IF LO2

AGC

HFA3763

(File #4237)

LPF

QMODEM

LPF

A/D

BASEBAND

D/A

OPTIONAL WHEN IN

ANALOG MODE

PRISM FULL DUPLEX RADIO

CHIP SET, FILE #4238

Pin Descriptions

NAME

LO_IN

Local Oscillator Input.

DESCRIPTION

LO_BY

PRE_IN

PRE_OUT

PRE_VCC1

PRE_VCC2

PRE_VCC3

BIAS_VCC

MIX_VCC

RX_PE

Local Oscillator Input Bypass (AC coupled to GND).

Power Pre-Amplifier Input.

Power Pre-Amplifier Output.

Power Pre-Amplifier 1st Stage Positive Power Supply. Use high quality RF decoupling capacitors.

Power Pre-Amplifier 2nd Stage Positive Power Supply. Use high quality RF decoupling capacitors.

Power Pre-Amplifier 3rd Stage Positive Power Supply. Use high quality RF decoupling capacitors.

LO Buffer, Bias, Mixer and AGC Control Positive Power Supply. Requires an isolation coil to VCC.

Transmit Mixer Output Stage Positive Power Supply. Use high quality RF decoupling capacitors.

Power Enable Control Input. Refer to the Power Control Truth Table.

TXM_RF

IF_IN

IF_BY

GND

Transmit Mixer RF Output.

Transmit Mixer Positive IF Input. Requires external bias resistor to VCC.

Transmit Mixer Negative IF Input (AC coupled to GND).

Circuit Ground Pins (Qty 6). Internally connected with the exception of pin 17.

4-2

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