參數(shù)資料
型號(hào)： ADRF6604ACPZ-R7
廠商： ANALOG DEVICES INC
元件分類： 混頻器
英文描述： 2500 MHz - 2900 MHz RF/MICROWAVE DOUBLE BALANCED MIXER
封裝： 6 X 6 MM, ROHS COMPLIANT, MO-220VJJD2, LFCSP_VQ, CP-40
文件頁(yè)數(shù)： 15/24頁(yè)
文件大?。?/td> 714K
代理商： ADRF6604ACPZ-R7
ADRF6604
Rev. 0 | Page 22 of 2
4
EVALUATION BOARD CONFIGURATION OPTIONS
Table 10.
Component
Description
Default Condition/
Option Settings
S1, R55, R56, R33
LO select. Switch and resistors to ground the LODRV_EN pin. The LODRV_EN pin setting, in
combination with the internal register settings, determines whether the LOP and LON pins
function as inputs or outputs (see the LO Selection Logic section for more information).
S1 = R55 = open
(not installed)
R56 = R33 = 0 Ω
LODRV_EN = 0 V
LO IN/OUT
SMA Connector
LO input/output. An external 1× LO or 2× LO frequency can be applied to this single-ended
input connector.
LO input
REFIN
SMA Connector
Reference input. The input reference frequency for the PLL is applied to this connector.
Input impedance is 50 Ω.
REFOUT
SMA Connector
Multiplexer output. The REFOUT connector connects directly to the MUXOUT pin. The
on-board multiplexer can be programmed to bring out the following signals:
REF_IN, 2 × REF_IN, 0.5 × REF_IN, 0.25 × REF_IN.
Temperature sensor output voltage.
Lock detect indicator.
Lock detect
CP Test Point
Charge pump test point. The unfiltered charge pump signal can be probed at this test
point. Note that the CP pin should not be probed during critical measurements, such as
phase noise.
R37, C14, R9, R10,
C15, C13, R65, C40
Loop filter. Loop filter components.
R11, R12
Loop filter return. When the internal VCO is used, the loop filter components should be
returned to Pin 40 (DECLVCO) by installing a 0 Ω resistor in R12. When an external VCO is used,
the loop filter components can be returned to ground by installing a 0 Ω resistor in R11.
R12 = 0 Ω (0402)
R11 = open (0402)
R62, R63, VTUNE
SMA Connector
Internal vs. external VCO. When the internal VCO is enabled, the loop filter components are
connected directly to the VTUNE pin (Pin 39) by installing a 0 Ω resistor in R62.
To use an external VCO, R62 should be left open. A 0 Ω resistor should be installed in R63,
and the voltage input of the VCO should be connected to the VTUNE SMA connector. The
output of the VCO is brought back into the PLL via the LO IN/OUT SMA connector.
R62 = 0 Ω (0402)
R63 = open (0402)
R2
Connects to RSET pin. This pin is unused and should be left open.
R2 = open (0402)
RFIN SMA Connector
RF input. The RF input signal should be applied to the RFIN SMA connector. The RF input of
the ADRF6604 is ac-coupled; therefore, no bias is necessary.
T3
IF output. The differential IF output signals from the ADRF6604 (IFP and IFN) are converted
to a single-ended signal by T3.
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