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Dual, SiGe, High-Linearity, 1200MHz to 1700MHz
Downconversion Mixer with LO Buffer/Switch
Pin Description
PIN
1
2
3, 5, 7, 12,
20, 22, 24,
25, 26, 34
4, 6, 10, 16,
21, 30, 36
8
9
11
13, 14
15
17
18, 28
19
23
27
29
31
32, 33
35
—
NAME
RFMAIN
TAPMAIN
GND
V CC
TAPDIV
RFDIV
IFD_SET
IFD+, IFD-
IND_EXTD
LO_ADJ_D
N.C.
LO1
LOSEL
LO2
LO_ADJ_M
IND_EXTM
IFM-, IFM+
IFM_SET
EP
FUNCTION
Main Channel RF Input. Internally matched to 50 I . Requires an input DC-blocking capacitor.
Main Channel Balun Center Tap. Bypass to GND with 39pF and 0.033 F F capacitors as close as
possible to the pin with the smaller value capacitor closer to the part.
Ground
Power Supply. Bypass to GND with capacitors as close as possible to the pin, as shown in the
Typical Application Circuit .
Diversity Channel Balun Center Tap. Bypass to GND with 39pF and 0.033 F F capacitors as close as
possible to the pin with the smaller value capacitor closer to the part.
Diversity Channel RF Input. Internally matched to 50 I . Requires an input DC-blocking capacitor.
IF Diversity Amplifier Bias Control. Connect a resistor from this pin to ground to set the bias current
for the diversity IF amplifier. See the Typical Application Circuit .
Diversity Mixer Differential IF Output +/-. Connect pullup inductors from each of these pins to V CC .
See the Typical Application Circuit .
Diversity External Inductor Connection. Connect to ground through a 0 I resistor (0603) as close as
possible to the pin. For improved RF-to-IF and LO-to-IF isolation, contact the factory for details.
LO Diversity Amplifier Bias Control. Connect a resistor from this pin to ground to set the bias current
for the diversity LO amplifier. See the Typical Application Circuit .
No Connection. Not internally connected.
Local Oscillator 1 Input. This input is internally matched to 50 I . Requires an input DC-blocking
capacitor.
Local Oscillator Select. Set this pin to high to select LO1. Set to low to select LO2.
Local Oscillator 2 Input. This input is internally matched to 50 I . Requires an input DC-blocking
capacitor.
LO Main Amplifier Bias Control. Connect a resistor from this pin to ground to set the bias current for
the main LO amplifier. See the Typical Application Circuit .
Main External Inductor Connection. Connect to ground through a 0 I resistor (0603) as close as
possible to the pin. For improved RF-to-IF and LO-to-IF isolation, contact the factory for details.
Main Mixer Differential IF Output -/+. Connect pullup inductors from each of these pins to V CC . See
the Typical Application Circuit .
IF Main Amplifier Bias Control. Connect a resistor from this pin to ground to set the bias current for
the main IF amplifier. See the Typical Application Circuit .
Exposed Pad. Internally connected to GND. Solder this exposed pad to a PCB pad that uses mul-
tiple ground vias to provide heat transfer out of the device into the PCB ground planes. These mul-
tiple ground vias are also required to achieve the noted RF performance.
18
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功能描述:射频开发工具 High-Gain 1.2GHz to 1.7GHz Downconv RoHS:否 制造商:Taiyo Yuden 产品:Wireless Modules 类型:Wireless Audio 工具用于评估:WYSAAVDX7 频率: 工作电源电压:3.4 V to 5.5 V
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功能描述:上下转换器 High-Gain 1.2GHz to 2GHz Downconv RoHS:否 制造商:Texas Instruments 产品:Down Converters 射频:52 MHz to 78 MHz 中频:300 MHz LO频率: 功率增益: P1dB: 工作电源电压:1.8 V, 3.3 V 工作电源电流:120 mA 最大功率耗散:1 W 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:PQFP-128
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