AD9371 Datasheet, PDF (41/60 Pages) Analog Devices – Dual differential transmitters

Data Sheet
–80
–90
–100
+110°C
+40°C
–40°C
–110
–120
–130
–140
–150
–160
–170
–180
0
5
10
15
20
RF ATTENUATION (dB)
Figure 147. Transmitter Noise vs. RF Attenuation, 3500 MHz LO,
100 MHz Offset Frequency, Zeros Input Data
–40
+110°C UPPER
+40°C UPPER
–45
–40°C UPPER
+110°C LOWER
+40°C LOWER
–50
–40°C LOWER
–55
–60
–65
–70
–75
–80
0
5
10
15
20
RF ATTENUATION (dB)
Figure 148. Tx Adjacent Channel Leakage Ratio vs. RF Attenuation,
3500 MHz LO, 100 MHz RF Bandwidth, Four-Carrier W-CDMA Desired Signal,
2 dB Digital Backoff, Transmitter QEC and LO Leakage Tracking Active
–40
+110°C UPPER
+40°C UPPER
–45
–40°C UPPER
+110°C LOWER
+40°C LOWER
–50
–40°C LOWER
–55
–60
–65
–70
–75
–80
0
5
10
15
20
RF ATTENUATION (dB)
Figure 149. Tx Alternate Channel Leakage Ratio vs. RF Attenuation,
3500 MHz LO, 100 MHz RF Bandwidth, Four-Carrier W-CDMA Desired Signal,
2 dB Digital Backoff, Transmitter QEC and LO Leakage Tracking Active
AD9371
–60
–70
–80
–90
–100
–110
–120
–130
–140
–150
100
1k
10k
100k
1M
10M
OFFSET FREQUENCY (Hz)
Figure 150. LO Phase Noise vs. Offset Frequency, 3 dB Digital Backoff,
3500 MHz LO
1.0
+110°C
0.9
+40°C
–40°C
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
3300
3400
3500
3600
3700
TRANSMITTER LO FREQUENCY (MHz)
3800
Figure 151. Tx Integrated Phase Noise vs. Transmitter LO Frequency,
100 MHz RF Bandwidth, CW 20 MHz Offset from LO, 3 dB Digital Backoff
35
+110°C
+40°C
30
–40°C
25
20
15
10
5
0
0 2 4 6 8 10 12 14 16 18 20
RF ATTENUATION (dB)
Figure 152. Transmitter OIP3 vs. RF Attenuation, 3500 MHz LO,
100 MHz RF Bandwidth, f1 = 20 MHz, f2 = 21 MHz, 3 dB Digital Backoff,
307.2 MSPS Sample Rate
Rev. A | Page 41 of 60