MAX7030 データシートの表示（PDF） - Maxim Integrated

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MAX7030

Low-Cost, 315MHz, 345MHz, and 433.92MHz ASK Transceiver with Fractional-N PLL

Maxim Integrated 

Low-Cost, 315MHz, 345MHz, and 433.92MHz

ASK Transceiver with Fractional-N PLL

Typical Operating Characteristics (continued)

(Typical Application Circuit, PAVDD = AVDD = DVDD = HVIN = +3.0V, fRF = 433.92MHz, IF BW = 280kHz, 4kbps Manchester encoded,

0.2% BER, TA = +25°C, unless otherwise noted.)

TRANSMITTER

REFERENCE SPUR MAGNITUDE

PHASE NOISE vs. OFFSET FREQUENCY

vs. SUPPLY VOLTAGE

-40

fRF = 434MHz

-50

-60

-40

-45

434MHz

-70

-50

-80

315MHz

-90

-55

-100

-110

-60

-120

-65

-130

-140

100

1k 10k 100k 1M 10M

OFFSET FREQUENCY (Hz)

-70

2.1 2.4 2.7 3.0 3.3 3.6

SUPPLY VOLTAGE (V)

FREQUENCY STABILITY

vs. SUPPLY VOLTAGE

10

8

6

4

fRF = 434MHz

2

0

-2

fRF = 315MHz

-4

-6

-8

-10

2.1 2.4 2.7 3.0 3.3 3.6

SUPPLY VOLTAGE (V)

10 ______________________________________________________________________________________

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