AD8331ARQ-REEL Analog Devices Inc, AD8331ARQ-REEL Datasheet - Page 21

• Manufacturer Part Number: AD8331ARQ-REEL
• Description: IC VGA SINGLE W/PREAMP 20-SSOP
• Manufacturer: Analog Devices Inc
• Series: X-AMP®r
• Type: Variable Gain Amplifierr

Specifications of AD8331ARQ-REEL

• Rohs Status: RoHS non-compliant
• Design Resources: Interfacing the High Frequency AD8331 to AD9215 (CN0096)
• Applications: Signal Processing
• Mounting Type: Surface Mount
• Package / Case: 20-QSOP
• For Use With: AD8331-EVALZ - BOARD EVAL FOR AD8331

Figure 59. Test Circuit—LNA Input Impedance vs. Frequency in Standard and Smith Chart (S11) Formats
Figure 58. Test Circuit—Group Delay vs. Frequency for Two Values of AC Coupling
Figure 60. Test Circuit—Frequency Response for Unterminated LNA, Single-Ended
OUT
*FERRITE BEAD
ANALYZER
NETWORK
120nH
*FERRITE BEAD
FB*
*FERRITE BEAD
22pF
120nH
120nH
NETWORK ANALYZER
50Ω
FB*
50Ω
FB*
22pF
22pF
Figure 61. Test Circuit—Short-Circuit, Input-Referred Noise
*FERRITE BEAD
0.1µF
OUT
0.1µF
0.1µF
OUT
1µF
OR
120nH
FB*
18nF
50Ω
22pF
50Ω
NETWORK ANALYZER
INH
INH
18nF
LMD
0.1µF
270Ω
INH
0.1µF
IN
Rev. G | Page 21 of 56
10kΩ
LNA
0.1µF
0.1µF
LMD
DUT
LNA
18nF
LMD
0.1µF
0.1µF
INH
0.1µF
0.1µF
50Ω
0.1µF
270Ω
0.1µF
0.1µF
1µF
1µF
OR
OR
237Ω
237Ω
LMD
0.1µF
IN
28Ω
DUT
28Ω
VGA
VGA
0.1µF
0.1µF
0.1µF
0.1µF
0.1µF
0.1µF
1:1
237Ω
237Ω
237Ω
237Ω
IN
28Ω
28Ω
237Ω
28Ω
28Ω
237Ω
50Ω
ANALYZER
NETWORK
28Ω
28Ω
1:1
1:1
AD8331/AD8332/AD8334
50Ω
1:1