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ADF7021 Fiches technique(PDF) 21 Page - Analog Devices

No de pièce ADF7021
Description  High Performance Narrow-Band Transceiver IC
PDF  64 Pages
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Fabricant  AD [Analog Devices]
Site Internet  http://www.analog.com
Logo AD - Analog Devices

ADF7021 Fiches technique(HTML) 21 Page - Analog Devices

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Data Sheet
ADF7021
Rev. B | Page 21 of 64
+1
–1
0
4
20834 ACQS
M 20µs
C13
1.7V
RF I/P LEVEL = –70dBm
DATA RATE = 10kbps
fDEV = 2.5kHz
IF BW = 12.5kHz
POST DEMOD BW = 12.4kHz
Figure 29. 3FSK Receiver Eye Diagram Measured Using the Test DAC Output
LNA GAIN, FILTER GAIN
–130
–120
–110
–100
–90
–80
–70
3, 72
(LOW GAIN MODE)
10, 72
(MEDIUM GAIN MODE)
30, 72
(HIGH GAIN MODE)
HIGH MIXER
LINEARITY
DEFAULT
MIXER
LINEARITY
MODULATION = 2FSK
DATA RATE = 9.6kbps
fDEV = 4kHz
IF BW = 12.5kHz
DEMOD = CORRELATOR
SENSITIVITY @ 1E-3 BER
IP3 = –3dBm
IP3= –5dBm
IP3 = –9dBm
IP3 = –13.5dBm
IP3 = –24dBm
IP3 = –20dBm
Figure 30. Receive Sensitivity vs. LNA/IF Filter Gain and Mixer Linearity Settings
(The Input IP3 at Each Setting is Also Shown)



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