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1SV231_ View Datasheet(PDF) - NXP Semiconductors.

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NXP Semiconductors. NXP
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Dual digital IF VGAs
The BGA7350 and BGA7351 are dual, independently controlled
receive IF VGAs that operate from 50 to 250 MHz. Integrated
matching improves performance in the receiver chain, because
the VGA can drive the filter directly into the analog-to-digital
converter to ensure a constant input level. The BGA7350 has a
gain range of 24 dB, while the BGA7351 has a range of 28 dB.
For both devices, the maximum gain setting delivers at least
16 dBm output power at 1 dB gain
compression (P1dB). For gain control,
each amplifier uses a separate digital
gain-control code, which is provided
externally through two sets of five
bits. The resulting gain flatness
is 0.1 dB.
Medium power amplifier
The NXP MPAs (BGA7x2x/BGA7x3x) are based on a one-stage
amplifier, available in a low-cost surface-mount package.
It delivers a set of available output power from 24 to 30 dBm.
All cover the frequency range from 400 to 2700 MHz.
Low-noise amplifiers up to 2.8 GHz
Designed for high linearity and low noise, these monolithic
SiGe:C BiCMOS LNAs (BGU7051, BUG7052 & BGU7053) deliver
18-24 dB gain, 3-5 dB more gain than equivalents, along with
low power consumption. The RF input power overdrive of
20 dBm and the high ESD protection
(HBM 4 kV; CDM 2 kV) make these
devices extremely rugged.
Integrated biasing circuitry,
3.3 V supply voltage and low
external component count (only
6 capacitors) ensures easy system
integration.
Integrated base station LNAs with lowest NF for
the complete LNA chain
NXP provides the industry’s only fully Integrated base station
LNA that can be tailored to the needs of individual OEMs for
optimal fit in their Rx line-ups. By integrating three stages in
one monolithic design, these SiGe:C BiCMOS LNAs (BGU706x)
deliver the industry’s lowest noise figure for a receive chain
(0.9 dB), while saving up to 80% in component cost. Additionally,
the analog gain control up to 35 dB, RF input power overdrive
of 10-15 dBm, and high linearity (0.9-2.5 dBm IP3I at maximum
gain) make them very suitable in small cell sizes.
IQ modulators
The BGX7100 and BGX7101 devices combine high performance,
high linearity I and Q modulation paths for use in radio
frequency up-conversion. It supports RF frequency outputs in
the range from 400 to 4000 MHz. The BGX710x IQ modulator
is performance-independent of the IQ common mode voltage.
The modulator provides a typical output 1 dB compression point
(PL(1dB)) value of 12 dBm and a typical 27 dBm output third-
order intercept point (IP3O). Unadjusted sideband suppression
and carrier feed through are 50 dBc and −45 dBm respectively.
A hardware control pin
provides a fast power-down/
power-up mode functionality
which allows significant
power saving. The BGX7101
is 4 dB higher gain compared
to the BGX7100.
Dual mixers
The BGX722x device combines a pair of high-performance,
high-linearity down-mixers for use in receivers having a common
local oscillator (e.g. having main and diversity paths). Each mixer
provides an input 1 dB compression point
(P1dB) above 13 dBm, with an input third-
order intercept point (IIP3) of 26 dBm.
The small-signal noise figure (NF) is below
10 dB whereas under large signal blocking
conditions the NF is typically 19 dB.
Isolation between mixers is at least 40 dB.
Synthesizer with an integrated VCO (LO generator)
The BGX7300 is a low phase noise wideband synthesizer
with an integrated VCO which allows the implementation of
an integer-N or fractional-N Phase-Locked Loop (PLL). The
integrated voltage controlled oscillator (VCO) supports a
fundamental frequency range from 2.2 GHz up to 4.4 GHz.
The BGX7300 has dual differential RF outputs, each with output
power up to +5 dBm. The VCO frequency can by divided by
1/2/4/8/16/32 before being fed to the RF outputs. Hence the
generated output frequency can be as low as 68.75MHz. For
isolation purpose, each RF output can be muted or forced into
power-down mode using a hardware pin or SPI sofware control.
A dedicated differential input stage lets the BGX7300 work with
an external VCO. Most of the characteristics are programmable
via a 3- or 4-wire Serial Peripheral Interface bus (SPI). Each VCO
is powered from an internally regulated voltage source providing
sufficient power supply rejection. The device is designed to
operate from 3.3 V nominal supply voltage connected to the
supply pins.
Selection guides of the listed components are available
in Chapter 3 (3.4.1 & 3.4.2).
NXP Semiconductors RF Manual 16th edition
43
 

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