ADF7021-V View Datasheet(PDF) - Analog Devices
Part Name
Description
Manufacturer
ADF7021-V Datasheet PDF : 60 Pages
| |||
ADF7021-V
Parameter
3FSK, Raised Cosine Filtering
12.5 kHz Channel Spacing
25 kHz Channel Spacing
4FSK, Raised Cosine Filtering
25 kHz Channel Spacing
SPURIOUS EMISSIONS
Reference Spurs
HARMONICS3
Second Harmonic
Third Harmonic
All Other Harmonics
OPTIMUM PA LOAD IMPEDANCE
fRF = 915 MHz
fRF = 868 MHz
fRF = 470 MHz
fRF = 450 MHz
fRF = 426 MHz
fRF = 315 MHz
fRF = 175 MHz
fRF = 169 MHz
Min Typ
Max Unit
4.3
kHz
8.5
kHz
11.3
kHz
−65
dBc
−35/−52
dBc
−43/−60
dBc
−36/−65
dBc
39 + j61
Ω
48 + j54
Ω
97.5 + j64.4
Ω
98 + j65
Ω
100 + j65
Ω
129 + j63
Ω
173 + j49
Ω
74.5 + j48.5
Ω
Test Conditions/Comments
2.4 kbps PN9 data, fDEV = 1.2 kHz
4.8 kbps PN9 data, fDEV = 2.4 kHz
9.6 kbps PN9 data, fDEV = 1.2 kHz
LBW = 8 kHz
13 dBm output power
Unfiltered conductive/filtered conductive
Unfiltered conductive/filtered conductive
Unfiltered conductive/filtered conductive
1 Measured as maximum unmodulated power.
2 Suitable for ETSI 500 mW Tx requirements.
3 Conductive filtered harmonic emissions measured on the EVAL-ADF7021-VDBxZ, which includes a T-stage harmonic filter (two inductors and one capacitor).
RECEIVER SPECIFICATIONS
LBW = loop bandwidth and IFBW = IF filter bandwidth.
Table 3.
Parameter
Min Typ
Max
DATA RATE
2FSK
0.05
9.0
0.05
13.5
0.05
18.5
3FSK
0.05
18.5
4FSK
0.05
24
SENSITIVITY
2FSK
Sensitivity at 0.25 kbps
−125
Sensitivity at 1 kbps
−122
Sensitivity at 2.4 kbps
−119
Sensitivity at 4.8 kbps
−116
Sensitivity at 9.6 kbps
−114
Gaussian 2FSK
Sensitivity at 0.25 kbps
−125
Sensitivity at 1 kbps
−122
Sensitivity at 2.4 kbps
−120
Sensitivity at 4.8 kbps
−117
Sensitivity at 9.6 kbps
−114
GMSK
Sensitivity at 4.8 kbps
−114.5
Unit
kbps
kbps
kbps
kbps
kbps
Test Conditions/Comments
Limited by the IF filter bandwidth1
IFBW = 9 kHz
IFBW = 13.5 kHz
IFBW = 18.5 kHz
IFBW = 18.5 kHz
IFBW = 18.5 kHz
Bit error rate (BER) = 10−3
dBm
dBm
dBm
dBm
dBm
fDEV = 1 kHz, high sensitivity mode, IFBW = 9.0 kHz
fDEV = 1 kHz, high sensitivity mode, IFBW = 9.0 kHz
fDEV = 1.2 kHz, high sensitivity mode, IFBW = 9.0 kHz
fDEV = 2.4 kHz, high sensitivity mode, IFBW = 9.0 kHz
fDEV = 4.8 kHz, high sensitivity mode, IFBW = 18.5 kHz
dBm
dBm
dBm
dBm
dBm
fDEV = 1 kHz, high sensitivity mode, IFBW = 9.0 kHz
fDEV = 1 kHz, high sensitivity mode, IFBW = 9.0 kHz
fDEV = 1.2 kHz, high sensitivity mode, IFBW = 9.0 kHz
fDEV = 2.4 kHz, high sensitivity mode, IFBW = 9.0 kHz
fDEV = 4.8 kHz, high sensitivity mode, IFBW = 18.5 kHz
dBm fDEV = 1.2 kHz, high sensitivity mode, IFBW = 9.0 kHz
Rev. 0 | Page 6 of 60
Share Link: 