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ML13145-9P bảng dữ liệu(PDF) 7 Page - LANSDALE Semiconductor Inc. |
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ML13145-9P bảng dữ liệu(HTML) 7 Page - LANSDALE Semiconductor Inc. |
7 / 17 page www.lansdale.com Page 7 of 17 Issue 0 LANSDALE Semiconductor, Inc. ML13145 Pin Symbol/Type Description Description 8VEE VCC 11 VEE, Negative Supply Voltage 9 PRSCout PRSC Out 9 VEE 8 VCC 1.0 mA Prescaler Output The prescaler output provides typically 500 mVpp drive to the fin pin of a PLL synthesizer. Conjugately matching the interface will increase the drive delivered to the PLL input. 10 MC VEE MC 10 Dual Modulus Control Current Input This requires a current input of typically 200 µApp. 11, 12 VCC 17 VCC, Positive Supply VCC pin is taken to the incoming positive battery or regulated dc voltage through a low impedance trace on the PCB. It decoupled to VEE ground at the pin of the IC. 14 LNA In LNAout VEE 15, 16 3 LNA In The input is the base of the common emitter transistor. Minimum external matching is required to optimize the input return loss and gain. 13, 15, & 16 VEE 2.0 mA Vref2 Vref1 VEE 13 LNAin 14 VCC 11,12 VEE, Negative Supply VEE pin is taken to an ample dc ground plane through a low impedance path. The path should be kept as short as possible. A minimum two sided PCB is recommended so that ground returns can be easily made through via holes. 17 LNAout CC LNA Out The output is from the collector of the cascode transistor amplifier. The output may be conjugately matched with a shunt L (needed to dc bias the open collector), and series L and C network. 19 Mxr1In LinAdj1 20 VCC 1st Mixer Input The mixer input impedance is broadband 50 Ω for applications up to 2.4 GHz. It easily interfaces with a RF ceramic filter. 20 Lin Adj1 Mxr1 In 19 450 µA 1st Mixer Linearity Control The mixer linearity control circuit accepts approximately 0 to 300 µA control current to set the dynamic range of the mixer. An Input Third Order Intercept Point, IIP3 of 17 dBm may be achieved at 300 µA of control current. |
Số phần tương tự - ML13145-9P |
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Mô tả tương tự - ML13145-9P |
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