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參數(shù)資料
| 型號： | ADRF6704ACPZ |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 調(diào)制器/解調(diào)器 |
| 英文描述： | 2500 MHz - 2900 MHz RF/MICROWAVE I/Q MODULATOR |
| 封裝： | 6 X 6 MM, ROHS COMPLIANT, MO-220VJJD-2, LFCSP_VQ, CP-40-1, 40 PIN |
| 文件頁數(shù)： | 1/18頁 |
| 文件大小： | 581K |
| 代理商： | ADRF6704ACPZ |
2500 MHz to 2900 MHz Quadrature Modulator
with Integrated Fractional-N PLL
and VCO
Preliminary Technical Data
ADRF6704
FEATURES
IQ Modulator with Integrated Fractional-N PLL
Output frequency range: 400 MHz to 1300 MHz
Internal LO Frequency Range: 750 MHz to 1160 MHz
Output P1dB: +14 dBm
Output IP3: +29 dBm
Noise Floor: -158 dBm/Hz
Baseband Modulation bandwidth: 500 MHz (3 dB)
SPI Serial Interface for PLL Programing
Power Supply: +5 V / 210 mA
40 Pin 6mm X 6mm LFCSP
GENERAL DESCRIPTION
The ADRF6704 is an IQ modulator with integrated PLL and
VCO. The PLL/Synthesizer uses a Fractional-N PLL to generate
a 2*FLO input to the I-Q modulator. The PLL reference input is
supported from 12MHz to 160MHz. The phase detector output
controls a charge pump whose output is integrated in an off-
chip loop-filter. The loop filter output is then applied to an
integrated VCO. The VCO output at 2*FLO is then applied to a
quadrature divider as well as to a programmable divider. The
programmable divider is controlled by a sigma-delta modulator
(SDM). The I-Q modulator has analog I + Q inputs which can
be at baseband or optionally at a complex IF up to 200 MHz
Table 1. Device Frequency Ranges
Part #
Internal LO
Range
+/-3dB RF
Out Balun
Range
+/-1dB RF
Out Balun
Range
ADRF6701
750 MHz
1160 MHz
400 MHz
1300 MHz
550 MHz
1000 MHz
ADRF6702
1550 MHz
2150 MHz
1200 MHz
2400 MHz
1550 MHz
2200 MHz
ADRF6703
2100 MHz
2600 MHz
1600 MHz
2600 MHz
1900 MHz
2400 MHz
ADRF6704
2500 MHz
2900 MHz
2200MHz
3000MHz
2400 MHz
2800 MHz
The modulator mixes the I-Q inputs from the analog inputs
with the quadrature LO from the quadrature divider. The
differential output is converted to a single-ended output
intended to drive a 50-Ohm load with good output return-
loss characteristics.
The device is fabricated using an advanced silicon-
germanium BiCMOS. It is available in a 40-lead, exposed-
paddle, Pb-free, 6mm x 6mm LFCSP package. Performance is
specified over a 40°C to +85°C temperature range.
Figure 1. Block Diagram
Rev. PrE
InformationfurnishedbyAnalogDevicesisbelievedtobeaccurateandreliable.However,no
responsibilityisassumedbyAnalogDevicesforitsuse,norforanyinfringementsofpatentsor
otherrightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithout
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
notice.Nolicenseisgrantedbyimplicationorotherwiseunderanypatentorpatentrightsof
AnalogDevices.Trademarksandregisteredtrademarksarethepropertyoftheirrespective
Tel: 781.329.4700
owners.
Fax: 781.461.3113
2009 Analog Devices, Inc. All rights reserved.
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