AD8339_15 Datasheet, PDF (10/36 Pages) Analog Devices – DC to 50 MHz, Quad I/Q Demodulator and Phase Shifter

AD8339
1.4
I OUTPUT OF CHANNEL 1 SHOWN
TRANSCONDUCTANCE = [(V_BB/787Ω)/V_RF]
1.3
1.2
1.1
1.0
PHASE DELAY = 0°
0.9 _{PHASE DELAY = 22.5°}
PHASE DELAY = 45°
PHASE DELAY = 67.5°
0.8
1M
10M
50M
RF FREQUENCY (Hz)
Figure 21. Transconductance vs. RF Frequency
for First Quadrant Phase Delays
10
+85°C
0
+25°C
–40°C
–10
–20
–30
–40
–50
–60
–70
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
COMMON-MODE VOLTAGE (V)
Figure 22. LO Common-Mode Range at Three Temperatures
20
18
16
14
12
10
8
6
4
2
0
1M
10M
50M
RF FREQUENCY (Hz)
Figure 23. Representative Range of IP1dB vs. RF Frequency,
Baseband Frequency = 10 kHz, First Quadrant (See Figure 43)
Data Sheet
0
–10
0dBm
–20
3 8 13 18
IM3 PRODUCTS
LO = 5.023MHz
–30
RF1 = 5.015MHz
RF2 = 5.010MHz
–40
–50
–60
–70
1M
10M
50M
RF FREQUENCY (Hz)
Figure 24. Representative Range of IM3 vs. RF Frequency, First Quadrant
(See Figure 49)
35
30
25
20
15
10
5
0
1M
10M
50M
RF FREQUENCY (Hz)
Figure 25. Representative Range of OIP3 vs. RF Frequency, First Quadrant
(See Figure 49)
35
30
25
20
15
10
5
0
1k
10k
100k
BASEBAND FREQUENCY (Hz)
Figure 26. Representative Range of OIP3 vs. Baseband Frequency
(See Figure 48)
Rev. B | Page 10 of 36