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MAX4135EVKIT-SO Datasheet(PDF) 1 Page - Maxim Integrated Products |
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MAX4135EVKIT-SO Datasheet(HTML) 1 Page - Maxim Integrated Products |
1 / 4 page General Description The MAX4135 evaluation kit (EV kit) simplifies evalua- tion of the MAX4135 one-input, six-output distribution amplifier. The EV kit circuit demonstrates the MAX4135 in a fixed gain of 2V/V. RF-style connectors (SMA) and 75 Ω terminating resistors are included for video test- equipment compatibility. The EV kit comes with the MAX4135 installed, but can also be used to evaluate the MAX4136, MAX4137, and MAX4138 video distribution amplifiers. Contact Maxim to order free samples. Features o 185MHz -3dB Bandwidth o Outputs Can Be Independently Enabled and Disabled o Fully Assembled and Tested Quick Start The MAX4135 EV kit is fully assembled and tested. Follow these steps to verify board operation. Do not turn on the power supply until all connections are completed. 1) The circuit requires supply voltages of ±5V. Connect a +5V supply to the pad marked VCC. Connect a -5V supply to the pad marked VEE. Connect the power-supply ground to the pad marked GND. 2) Apply a signal in the +1.1V to -1.0V range to the SMA connector marked IN. 3) Connect the output marked OUT1 to an oscilloscope through a terminated 75 Ω cable. 4) On DIP switch SW1, set the SEL1 switch to the on position. Set all other switches to off. 5) Turn on the power supply and verify the output sig- nal on the oscilloscope. Detailed Description Output Channel Selection The MAX4135 provides TTL/CMOS-compatible, digital control pins (SEL1–SEL6) to enable or disable each amplifier output. When the SEL_ input is low, the ampli- fier is enabled; when it is high, the amplifier is disabled. The EV kit uses a DIP switch (SW1) to manually enable/disable outputs. When a switch is on, the SEL_ pin is connected to ground, and the corresponding amplifier is enabled. When a switch is off, the SEL_ pin is connected to +5V through a 100k Ω pull-up resistor, and the corresponding amplifier is disabled. To use an external controller, set the desired SEL_ switch(es) to on and connect the external controller to the pad(s) labeled SEL_. MAX4135 Evaluation Kit ________________________________________________________________ Maxim Integrated Products 1 19-1126; Rev 1; 3/97 PART TEMP RANGE BOARD TYPE MAX4135EVKIT-SO +25°C Surface Mount QTY DESCRIPTION C2, C4, C5, C6 4 C1, C3 2 IN, OUT1–OUT6 7 SMA connectors R1, R2, R3, R4, R5, R6, R7 7 75 Ω, 5% resistors 10µF, 10V, 20% tantalum capacitors AVX TAJB106M010 Sprague 293D106X0010B 0.1µF, 10% ceramic capacitors Vitramon VJ1206Y104KXX SUPPLIER PHONE FAX AVX 803-946-0690 803-626-3123 Component Suppliers DESIGNATION ____________________Component List Ordering Information R8–R13 6 100k Ω, 5% resistors RG 1 0 Ω resistor SW1 1 DIP switch U1 1 MAX4135EWG None 1 MAX4135 PC board Note: Request free samples to evaluate the MAX4136EWG, MAX4137EWG, or MAX4138EWG. None 1 MAX4135/MAX4136 data sheet Sprague 603-224-1961 603-224-1430 Vishay/Vitramon 203-268-6261 203-452-5670 For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. |
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