RF2938 Просмотр технического описания (PDF) - RF Micro Devices

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RF2938

2.4GHZ SPREAD-SPECTRUM TRANSCEIVER

RF Micro Devices 

RF2938

RF Micro Devices

2.4 GHz ISM Chipset

IL = 3-4 dB

2.4 to 2.483 G Hz

G ain

S e le ct

RF2444

SSOP-16 EPP

Filter

2.4 to 2.483 GHz

LNA

D ual Gain M odes

-5 dB and +10 dB

RX

15 dB Gain

SAW

IL = 10 dB m ax

D iscrete

Pin D iode

RF2517

S SO P -28

Dual

Frequency

S y n th e s iz e r

RF

VCO

IF

VCO

RX

15 dB

IF Am p

-15 dB to 35 dB Gain

TX

15 dB

TX

+45°

Β2

-45°

RF2126

23 dBm or 33 dBm

External PA

10 dBm

PA D river

Figure 1. Entire Chipset Functional Block Diagram

IL = 3-4 dB

2.4 to 2.483 G Hz

Σ

15 dB Gain

Range

VGC2

VGC1

RF2938

TQFP-48 EPP

RSSI

OUT Q

DATA Q

Base Band Amp.

Active Selectable LPF

(fC = 1 MHz to 40 M Hz)

0-30 dB Gain

OUT I

DATA I

F ilte r

I INPUT

F ilte r

Selectable LPF

Q INPUT

11

2-12

Rev A8 010418

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