Rainbow-electronics MAX7034 Bedienungsanleitung PDF herunterladen (Seite 6)

PHASE NOISE

vs. OFFSET FREQUENCY

MAX7033 toc13

OFFSET FREQUENCY (Hz)

PHASE NOISE (dBc/Hz)

1M100k10k1k100

-120

-100

-80

-60

-40

-20

-140

10 10M

= 315MHz

PHASE NOISE

vs. OFFSET FREQUENCY

MAX7033 toc14

OFFSET FREQUENCY (Hz)

PHASE NOISE (dBc/Hz)

1M100k10k1k100

-120

-100

-80

-60

-40

-20

-140

10 10M

= 433.92MHz

MAX7034

315MHz/434MHz ASK Superheterodyne

Receiver

6 _______________________________________________________________________________________

Typical Operating Characteristics (continued)

(

Typical Application Circuit

, V

DD5

= +5.0V, f

= 433.92MHz, T

= +25°C, unless otherwise noted.)

NORMALIZED IF GAIN

vs. IF FREQUENCY

MAX7034 toc10

IF FREQUENCY (MHz)

NORMALIZED IF GAIN (dB)

-25

-20

-15

-10

-5

-30

1 100

MAGNITUDE PLOT OF RFIN

vs. FREQUENCY

MAX7034 toc11

FREQUENCY (MHz)

MAGNITUDE (dB)

470440380 410260 290 320 350230

-40

-30

-20

-10

-50

200 500

315MHz

-24.1dB

SMITH CHART PLOT OF RFIN

MAX7034 toc12

500MHz

200MHz

WITH INPUT

MATCHING

315MHz

1 2 3 4 5 6 7 8 9 10 11 12 13

Receiver 1

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