High IP3, 700 MHz to 2800 MHz, Double Balanced, Passive Mixer, IF Amplifier, and Wideband LO Amplifier
ADL5811
FEATURES...
High IP3, 700 MHz to 2800 MHz, Double Balanced, Passive Mixer, IF Amplifier, and Wideband LO Amplifier
ADL5811
FEATURES
RF frequency: 700 MHz to 2800 MHz continuous LO frequency: 250 MHz to 2800 MHz, high-side or low-side inject IF range: 30 MHz to 450 MHz Power conversion gain of 7.5 dB at 1900 MHz SSB noise figure of 10.7 dB at 1900 MHz Input IP3 of 27.5 dBm at 1900 MHz Input P1dB of 12.7 dBm at 1900 MHz Typical LO drive of 0 dBm Single-ended, 50 Ω RF port Single-ended or balanced LO input port Single-supply operation: 3.6 V to 5.0 V Serial port interface control on all functions Exposed paddle 5 mm × 5 mm, 32-lead LFCSP package
FUNCTIONAL BLOCK DIAGRAM
32 31 30 29 28 27 26
COMM
25 24 NC 23 NC 22 NC 21 LOIP 20 LOIN 19 LE 18 DATA 17 CLK 16
IFGM
IFON
NC 1 RFCT 2 NC 3 RFIN 4 NC 5 NC 6 NC 7 NC 8
9 10 11 12 13 14 15
ADL5811
BIAS GEN
SERIAL PORT INTERFACE
VLO3
VLO2
VLO4
COMM
COMM
COMM
VLO1
IFGD
IFOP
VPIF
NC
NC
COMM
Figure 1.
APPLICATIONS
Multiband/multistandard cellular base station receivers Wideband radio link diversity downconverters Multimode cellular extenders and broadband receivers
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GENERAL DESCRIPTION
The ADL5811 uses revolutionary new broadband, square wave limiting, local oscillator (LO)
amplifiers to achieve an unprecedented radio frequency (RF) bandwidth of 700 MHz to 2800 MHz. Unlike conventional narrow-band sine wave LO amplifier solutions, this permits the LO to be applied either above or below the RF input over an extrem...