ATR2406-DEV-KIT datasheet, PDF

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ATR2406-DEV-KIT: DescriptionTELECOM, CELLULAR, RF AND BASEBAND CIRCUIT, QCC32; CategoryTopical application Wireless rf/communication; File Size660KB，20 Pages; ManufacturerAtmel (Microchip)

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ATR2406-DEV-KIT Overview

TELECOM, CELLULAR, RF AND BASEBAND CIRCUIT, QCC32

ATR2406-DEV-KIT Parametric

Parameter Name	Attribute value
Number of functions	1
Number of terminals	32
Maximum operating temperature	60 Cel
Minimum operating temperature	-10 Cel
Rated supply voltage	3 V
Processing package description	5 X 5 MM, 0.90 MM HEIGHT, ROHS COMPLIANT, QFN-32
Lead-free	Yes
EU RoHS regulations	Yes
state	ACTIVE
packaging shape	SQUARE
Package Size	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
surface mount	Yes
Terminal form	NO LEAD
Terminal spacing	0.5000 mm
terminal coating	MATTE TIN
Terminal location	QUAD
Packaging Materials	UNSPECIFIED
Temperature level	COMMERCIAL
Communication type	RF AND BASEBAND CIRCUIT

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Features

•

Fully Integrated Low IF Receiver

Fully Integrated GFSK Modulator for 72, 144, 288, 576 and 1152 kBit/s

High Sensitivity of Typically -93 dBm Due to Integrated LNA

High Output Power of Typically +4 dBm

Multi-channel Operation

– 95 Channels

– Support Frequency Hopping (ETSI) and Digital Modulation (FCC)

Supply-voltage Range 2.9 V to 3.6 V (Unregulated)

Auxiliary-voltage Regulator on Chip (3.2 V to 4.6 V)

Low Current Consumption

Few Low Cost External Components

Integrated Ramp-signal Generator and Power Control for an Additional

Power Amplifier

Low Profile Lead-free Plastic Package QFN32 (5

0.9 mm)

Low IF 2.4 GHz

ISM Transceiver

ATR2406

Applications

•

Hightech Multi-user Toys

Wireless Game Controllers

Telemetry

Wireless Audio/Video

Electronic Point of Sales

Wireless Head Set

FCC CFR47, Part 15, ETSI EN 300 328 and ARIB STD-T-66 Compliant Radio Links

Preliminary

Electrostatic sensitive device.

Observe precautions for handling.

Description

The ATR2406 is a single chip RF-transceiver intended for applications in the 2.4 GHz

ISM band. The QFN32 packaged IC is a complete transceiver including image rejec-

tion mixer, low IF filter, FM demodulator, RSSI, TX preamplifier, power-ramping

generator for external power amplifier, integrated synthesizer, and a fully integrated

VCO and TX filter. No mechanical adjustment is necessary in production.

The RF-transceiver offers a clock recovery function on-chip.

Rev. 4779F–ISM–09/04

Functional Description

Receiver

The RF signal at RF_IN is differently fed through the LNA to the image rejection mixer

IR_MIXER driving the integrated LowIF bandpass filter. The IF frequency is

864 kHz.The limiting IF_AMP with an integrated RSSI function feeds the signal to the

digital demodulator DEMOD. No tuning is required. Datasling is handled internally.

For 1152 kBit/s data rate the receiver has a clock recovery function on-chip.

The receiver includes a clock recovery circuit which regenerates the clock out of the

received data. The advantage is that this recovered clock is synchronous to the clock of

the transmitting device (and thus to the transmitted data) which allows to reduce the

load of the processing microcontroller significantly.

The falling edge of the clock gives the optimal sampling position for the RX_Data signal

so at this event the data must be sampled by the microcontroller. The recovered clock is

available at pin 6.

Clock Recovery

Transmitter

The transmit data at TX_DATA is filtered by an integrated Gaussian Filter GF and fed to

the fully integrated VCO operating at twice the output frequency. After modulation the

signal is frequency-divided by 2 and fed to the internal preamplifier PA. This preamplifier

supplies typically +4 dBm output power at TX_OUT.

A ramp-signal generator RAMP_GEN, providing a ramp signal at RAMP_OUT for the

external power amplifier, is integrated. The slope of the ramp signal is controlled inter-

nally so that spurious requirements are fulfilled.

Synthesizer

The IR_MIXER, the PA and the programmable counter PC are driven by the fully inte-

grated VCO, using on-chip inductors and varactors. The output signal is frequency

divided to supply the desired frequency to the TX_DRIVER, 0/90 degree phase shifter

for the IR_MIXER and to be used by the PC for the phase detector PD

= 1.728 MHz). Open loop modulation is supported.

An integrated bandgap-stabilized voltage regulator for use with an external low-cost

PNP transistor is implemented. Multiple power-down and current saving modes are

provided.

Power Supply

ATR2406 [Preliminary]

4779F–ISM–09/04

ATR2406-DEV-KIT Related Products

	ATR2406-DEV-KIT	ATR2406-PNSG
Description	TELECOM, CELLULAR, RF AND BASEBAND CIRCUIT, QCC32	TELECOM, CELLULAR, RF AND BASEBAND CIRCUIT, QCC32
Number of functions	1	1
Number of terminals	32	32
Maximum operating temperature	60 Cel	60 °C
Minimum operating temperature	-10 Cel	-10 °C
surface mount	Yes	YES
Terminal form	NO LEAD	NO LEAD
Terminal location	QUAD	QUAD
Temperature level	COMMERCIAL	COMMERCIAL

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