Name: ANALOG DEVICES EVAL-ADF421XEB1
Brand: ANALOG DEVICES
SKU: EVAL-ADF421XEB1

Description

Analog Devices EVAL-ADF421XEB1 Accessory - EVALUATION BOARD I.C.

Part Number

EVAL-ADF421XEB1

Price

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Manufacturer

ANALOG DEVICES

Lead Time

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Category

PRODUCTS - E

Specifications

Type

EVALUATION BOARD I.C.

Datasheet

EVAL-ADF421XEB1.pdf

248 KiB

Download

Extracted Text

Evaluation Board For PLL Frequency a Synthesizer EVAL-ADF421XEB1 FEATURES GENERAL DESCRIPTION General Purpose PLL Evaluation Board excluding Synthe- This board is designed to allow the user to evaluate sizer, VCOs, Loop Filters for generating generic PLL the performance of the ADF421X Frequency Synthe- standards. sizer for PLL's (Phase Locked Loops). The block Compatible with ADF4210 and ADF4216 synthesizer fami- diagram of the board is shown below. It contains the lies. footprint for a ADF421X synthesizer, a pc connector, Accompanying Software allows complete control of syn- SMA connector for the reference input, power sup- thesizer functions from PC plies and RF output. There is also a footprint for a Battery Operated: Choice of 3V or 5V supplies loop filter and a VCO for both the RF and IF section on board. A cable is included with the board to con- nect to a pc printer port. The package also contains windows software to allow easy programming of the synthesizer. BLOCK DIAGRAM 9V BATTERY V DD POWER SWITCH ON OFF V V VCO P VCO 1 CE (Vari-L) ADF411X VCO 190-XXXT SMA REF RF OUT IN Socket TCXO Vectron AD7706 EVAL-ADF411XEB1 PC CONNECTOR REV.PrA 02/00 © Analog Devices, Inc., 1999 Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties which may result from its use. No license is granted One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. by implication or otherwise under any patent or patent rights of Analog Devices. Tel: 781-329-4700 Fax: 781-326-8703 EVAL-ADF421XEB1 Hardware Description The evaluation board comes with a cable for connecting to EVAL-ADF411X EVAL-ADF421X the printer port of a PC. The silk screen and cable diagram for the evaluation board are shown below. The board schematic is 1 6 1 shown on pages 3 and 4. 2 14 Black - CLK 7 2 3 15 Brown - DATA 8 3 4 16 Red - LE 9 4 5 17 Orange - CE PC 5 White - GND 18 Yellow 6 9 Way 19 Female D-Type 7 20 To 8 21 ADF411X 9 ADF421X 22 Blue 10 Evaluation 23 11 Board 24 12 25 Purple 13 25 Way Male D-Type To PC Printer Port Figure 2. PC Cable Diagram voltage is too low to sustain the required 3V or 5V for the board supply. Loop component values shown in the circuit diagram are for 900MHz RF output, 5mA CP current, VCO190- 902T, 200kHz channel spacing and 20kHz loop band- width. Figure 1. Evaluation Board Silkscreen The board is powered from a single 9V battery. The power supply ciruitry allows the user to choose either 3V or 5V for the ADF4113 V and V , and for the VCO DD P supply. The default settings are 3V for the ADF411X V DD and 5V for the ADF411X V and for the VCO supply. It P is very important to note that the ADF4113 V should DD never exceed the ADF411X V . This can damage the de- P vice. All components necessary for LO generation are catered for on-board. The TCXO connector provides the neces- sary Reference Input. The PLL is made up of the ADF411X, passive loop filter and the VCO 190-XXXT from Vari-L. The output is available at RFOUT through a standard SMA connector. If the user wishes they may use their own power supplies and reference input. In this case, they need to insert SMA connectors to as shown on the silkscreen and block diagram. The AD7706 A/D converter is used to monitor the power supply voltage and current consumption of the ADF411X. This helps the user pick the optimum synthesizer settings for power consumption and also provides an alert if the battery REV.PrA 02/00 –2– EVAL-ADF421XEB1 Figure 3. Evaluation Board Circuit Diagram (Page 1) REV.PrA 02/00 –3– EVAL-ADF421XEB1 Figure 4. Evaluation Board Circuit Diagram (Page 2) REV.PrA 02/00 –4– EVAL-ADF421XEB1 Software Description The software comes on a set of two floppy disks (Disk 1 and Click on RF VCO Output Frequency, and the Output Disk 2). If the user double clicks on “setup.exe” on Disk 1, Frequency window will appear. Enter the output frequency and PFD reference frequency, and click OK. then the install wizard installs the software. Follow the on- Click On Prescaler, and the Prescaler window will appear. screen directions. The software will be installed in a default Grab the pointer, and choose the desired prescaler value. directory called “C:/Program Files/Project1”. To run the software, simply double-click on “adf411X.exe”. Click OK. The front panel of the evaluation board software is shown Click on the RF PD Polarity button to set the RF PD Polarity below. bit High. Click on Charge Pump Current Setting 2 or Charge Pump When the main software screen appears, follow the steps Current Setting 1 and the Current Setting window will ap- below for initial setup to interface to the part. pear. Grab the pointer to set the Charge Pump Current Set- Click on Choose Device, and the Device window will appear. Choose the device being evaluated and click OK. ting. Click OK. Click on Choose Port, and the Port Connector window will The data is now set up, and other features can now be exam- appear. Choose the port that the cable is connected to on the ined by the user. PC and click OK. (Normally LPT1) Click on Osc In, and the Crystal Frequency window will appear. Enter the reference frequency being used and click OK. Figure 5. Software Front Panel REV.PrA 02/00 –5– EVAL-ADF421XEB1 Table 1. 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At GID Industrial (Elite.Parts' parent company), we specialize in procuring industrial parts. We know where to find the rare and obsolete equipment that our customers need in order to get back to business. There are other companies who claim to do what we do, but we're confident that our commitment to quality and value is unparalleled in our field.

Warranties differ by part and by which suppliers we use to procure it for you. Sometimes, a part will be sold as-is and without a warranty. Our specialty, single board computers, tend to receive a one-year warranty.

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One of our top priorities is maintaining our business with precision, and we are constantly looking for affiliates that can help us achieve our goal. With the aid of GID Industrial, our obsolete product management has never been more efficient. They have been a great resource to our company, and have quickly become a go-to supplier on our list!

Bucher Emhart Glass

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With our strict fundamentals and high expectations, we were surprised when we came across GID Industrial and their competitive pricing. When we approached them with our issue, they were incredibly confident in being able to provide us with a seamless solution at the best price for us. GID Industrial quickly understood our needs and provided us with excellent service, as well as fully tested product to ensure what we received would be the right fit for our company.

Fuji

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Our company provides services to aid in the manufacture of technological products, such as semiconductors and flat panel displays, and often searching for distributors of obsolete product we require can waste time and money. Finding GID Industrial proved to be a great asset to our company, with cost effective solutions and superior knowledge on all of their materials, it’d be hard to find a better provider of obsolete or hard to find products.

Applied Materials

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Over the years, the equipment used in our company becomes discontinued, but they’re still of great use to us and our customers. Once these products are no longer available through the manufacturer, finding a reliable, quick supplier is a necessity, and luckily for us, GID Industrial has provided the most trustworthy, quality solutions to our obsolete component needs.

Nidec Vamco

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This company has been a terrific help to us (I work for Trican Well Service) in sourcing the Micron Ram Memory we needed for our Siemens computers. Great service! And great pricing! I know when the product is shipping and when it will arrive, all the way through the ordering process.

Trican Well Service

GO TO SOURCE

When I can't find an obsolete part, I first call GID and they'll come up with my parts every time. Great customer service and follow up as well. Scott emails me from time to time to touch base and see if we're having trouble finding something.....which is often with our 25 yr old equipment.

ConAgra Foods

ANALOG DEVICES EVAL-ADF421XEB1

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