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RF2483 датащи(PDF) 12 Page - RF Micro Devices |
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RF2483 датащи(HTML) 12 Page - RF Micro Devices |
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12 / 34 page ![]() 12 of 34 RF2483 DS110505 7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com. Package Drawing Pin Function Description Interface Schematic 19 RF OUT HB RF high band output. Open collector output. The output should be biased at VCC through an inductor that can be used to form part of an output matching circuit. In our proposed applications circuit some power is dissipated in R4 (180 ) which appears as a de-Qing resistor in parallel with the output inductor L3. If R4 is eliminated and the RFOUT HB pin is re-matched to 50 it is possi- ble to get approximately 3dB extra power out of the device in high band mode. 20 GND3 Ground for RF output sections. Die Flag GND4 Ground for modulator, variable gain amplifier and substrate. 2 PLCS 0.10 C B 2 PLCS 0.10 C A 2.00 TYP -A- 2 PLCS 0.10 C A 4.00 SQ. -B- 1.87 TYP 3.75 SQ. 2 PLCS 0.10 C B 0.05 0.00 0.90 0.85 0.05 C 0.70 0.65 12° MAX -C- SEATING PLANE Dimensions in mm. NOTES: 1. Shaded lead is Pin 1. Dimension applies to plated terminal: to be measured between 0.20 mm and 0.25 mm from terminal end. 2 2.25 1.95 SQ. 0.50 0.60 0.24 TYP 0.75 0.50 TYP PIN 1 ID 0.20 R 0.10 C AB M 0.30 0.18 2 |
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