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AK1587

Femtocell LTE-A/LTE//WCDMA RF Transceiver

厂商名称:AKM [Asahi Kasei Microsystems]

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[AK1587]
AK1587
AK1587 Leaflet
Femtocell LTE-A/LTE//WCDMA RF Transceiver
1.
Features
AK1587 is a multi-band Femtocell/Smallcell LTE-A/LTE/WCDMA RF transceiver LSI with 2 Tx and 2
Rx LOs. Each LO has 2x2 MIMO capability, supporting up to total 40MHz BW inter- and intra- band
CA (Carrier Aggregation) configuration.
Application target are 2x2 MIMO FDD LTE-A / TD-LTE-A, 4x4 FDD LTE / TD-LTE, or 2x2 LTE +
WCDMA (dual mode).
LTE & WCDMA
Transmitter
Receiver
Direct conversion architecture
Direct conversion architecture
3 single-ended 50ohm outputs for each path
Integrated LNAs
Integrated local signal generator
3 balanced 100 ohm inputs for each path
Integrated 12-bit DAC
Integrated Local signal generator
Maximum output: 0dBm
Integrated sigma-delta ADC
Integrated Gain control amplifier
Programmable gain amplifier
Integrated Digital Filter
Integrated Digital Filter
1% EVM
CFR function
Sniffer LTE/WCDMA/GSM (Sniffer)
Direct conversion architecture
Integrated LNAs
Integrated Local signal generator
Integrated Programmable gain amplifier
Peripheral Circuits (TBD)
10-bit ADCs for General Purpose
12-bit DAC for AFC
Temperature Sensor
General Purpose output (GPO)
Common
Operating Temperature -30 to 85
C
Data Interface
Serial (JESD204B)
LVDS (ANSI/TIA/EIA-644)
LVCMOS (JESD207)
Clock/Package
Selected frequency between 15.36MHz
and 80MHz (30.72MHz recommended)
Supply Voltage/ Operating Temperature
Supply Voltage
Analog
1.5V
2.8V
Digital
1.5V
I/O
1.8V to 3.3V
BBIF
Serial
1.5V
LVDS/LVCMOS 1.8V to 3.3V
Application
LTEA: 2x2 MIMO x Carrier Aggregation (CA)
LTE : 4x4 MIMO
Dual Mode: 2x2 MIMO LTE + 2x2 WCDMA
225pin FBGA (0.8mm pitch, 13mm13mm)
Frequency Bands
1/I,II,3,4,5/V7,8,12,13,17,18,20,25,27,33,34,38,3
9,40,41
page 1
Feb./2014
[AK1587]
Block Diagram
SPI
Test
Monitor
Peripheral
Ref voltage
Generator
0/90
Synth
PLL+VCO
TCXOIN
/OUT
1x BIT
ADC
1x BIT
ADC
1x BIT
ADC
1x BIT
ADC
1x BIT
DAC
1x BIT
DAC
1x BIT
DAC
1x BIT
DAC
INTERFACE
Synth
PLL+VCO
0/90
0/90
Synth
PLL+VCO
1x BIT
ADC
1xBIT
ADC
1x BIT
ADC
1x BIT
ADC
1x BIT
DAC
1x BIT
DAC
1x BIT
DAC
1x BIT
DAC
Synth
PLL+VCO
0/90
2
Feb./2013
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