Transmission Specifications - Analog Devices ADF7021-V Manual

TRANSMISSION SPECIFICATIONS

LBW = loop bandwidth.
Table 2.
Parameter
DATA RATE
2FSK
3FSK
4FSK
MODULATION
Frequency Deviation (f )
DEV
Frequency Deviation Resolution
Gaussian Filter Bandwidth Time (BT)
Raised Cosine Filter Alpha
TRANSMIT POWER
Maximum Transmit Power
Transmit Power Variation vs.
Temperature
Transmit Power Variation vs. V
Transmit Power Flatness
Programmable Step Size
ADJACENT CHANNEL POWER (ACP)
460 MHz
12.5 kHz Channel Spacing
25 kHz Channel Spacing
868 MHz
12.5 kHz Channel Spacing
25 kHz Channel Spacing
MODULATION BANDWIDTH
125 kHz Offset
125 kHz + 200 kHz
125 kHz + 400 kHz
125 kHz + 1 MHz
EMISSION MASK
12.5 kHz Offset
460 MHz
OCCUPIED BANDWIDTH
2FSK, Gaussian Data Filtering
12.5 kHz Channel Spacing
25 kHz Channel Spacing
2FSK, Raised Cosine Data Filtering
12.5 kHz Channel Spacing
25 kHz Channel Spacing
Min Typ
0.05
0.05
0.05
0.056
0.306
56
0.5
0.5/0.7
1 13
±1
±1
DD
±1
0.3125
−47
−53
−44
−49
−74.5
−79
−69.5
−62
−77
4.0
8.5
4.5
9.6
Max Unit Test Conditions/Comments
Limited by the loop bandwidth
18.5 kbps LBW must be ≥1.25 × data rate for correct operation
18.5 kbps LBW = 18.5 kHz
24 kbps LBW = 18.5 kHz
28.26 kHz PFD = 3.625 MHz
156 kHz PFD = 20 MHz
Hz PFD = 3.625 MHz
Programmable
dBm V
DD
dB T
A
dB V
DD
dB 902 MHz to 928 MHz, V
dB −16 dBm to +13 dBm
Gaussian 2FSK modulation, 13 dBm output power,
PFD = 19.68 MHz, LBW = 6 kHz
dBm
Measured in a ±8.5 kHz bandwidth at ±12.5 kHz
offset, 2.4 kbps PN9 data, f
dBm Measured in a ±16 kHz bandwidth at ±25 kHz
offset, 4.8 kbps PN9 data, f
Compliant with ETSI EN 300 220
dBm
Measured in a ±8.5 kHz bandwidth at ±12.5 kHz
offset, 2.4 kbps PN9 data, f
dBm Measured in a ±16 kHz bandwidth at ±25 kHz
offset, 4.8 kbps PN9 data, f
869.525 MHz, Gaussian 2FSK modulation, 4.8 kbps,
f
DEV
with ETSI EN 300 220, LBW = 6 kHz
dBm/1 kHz
dBm/1 kHz
dBm/10 kHz
dBm/100 kHz
FCC Part 90 Emission Mask D, 100 Hz resolution
bandwidth, Gaussian 2FSK modulation, LBW =
6 kHz, 10 dBm output power, 2.4 kbps PN9 data,
f
DEV
dBc
99.0% of total mean power, LBW = 6 kHz, 10 dBm
output power
kHz 2.4 kbps PN9 data, f
kHz 4.8 kbps PN9 data, f
kHz 2.4 kbps PN9 data, f
kHz 4.8 kbps PN9 data, f
Rev. 0 | Page 5 of 60
= 3.0 V, T = 25°C
A
= −40°C to +85°C
= 2.3 V to 3.6 V at 915 MHz, T
= 3 V, T
DD
= 1.2 kHz
DEV
= 2.4 kHz
DEV
= 1.2 kHz
DEV
= 2.4 kHz
DEV
= 2.4 kHz, 10 dBm output power,
= 1.2 kHz
= 1.2 kHz
DEV
= 2.4 kHz
DEV
= 1.2 kHz
DEV
= 2.4 kHz
DEV
ADF7021-V
= 25°C
A
= 25°C
A
2
compliant