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VG111 Datasheet(PDF) 2 Page - WJ Communication. Inc. |
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VG111 Datasheet(HTML) 2 Page - WJ Communication. Inc. |
2 / 6 page Specifications and information are subject to change without notice WJ Communications, Inc • Phone 1-800-WJ1-4401 • FAX: 408-577-6621 • e-mail: sales@wj.com • Web site: www.wj.com Page 2 of 6 January 2007 VG111 PCS/UMTS-band Variable Gain Amplifier Application Circuit: 1.8 – 2.0 GHz (VG111-PCB1900) • The amplifier is biased through Pin 25 and should be connected directly into a voltage regulator. • Components shown in the silkscreen but not on the schematic are not used for this circuit. • Distances are shown from the edge-to-edge for the land pattern. Circuit Board Material: .014” FR-4, 4 layers, .062” total thickness Bill of Materials Ref. Des. Description Size C1, C7 47 pF Chip Capacitor 0603 C2, C5 Do Not Place C3, C4 0.01 μF Chip Capacitor 0603 C6 0.4 pF Chip Capacitor 0603 L1, L2 22 nH Chip Inductor 0603 R1 100 Ω Chip Resistor 0603 R2 2.2 Ω Chip Resistor 0603 Q1 MMBT2222 Motorola Transistor SOT-23 U1 VG111 Variable Gain Amplifier QFN 6x6 OIP3 vs. Output Power frequency = 1900, 1901 MHz, 0dB Atten. 25 30 35 40 45 -4 0 4 8 12 16 Output Power (dBm) +25C -40C +85C OIP3 vs. Attenuation Setting frequency = 1900, 1901 MHz, +10 dBm/tone, +25° C 25 30 35 40 45 0 246 8 10 Attenuation (dB) ACPR vs. Channel Power 1960 MHz, IS-95, 9 Ch. Forward, ±885 kHz offset, 30 kHz Meas BW, 25°C -70 -60 -50 -40 10 11 12 13 14 15 16 Output Channel Power (dBm) 0dB Attn 2.5dB Attn 5dB Attn 10dB Attn Gain vs. Pin 5 Attn. Control Current -20 -15 -10 -5 0 5 10 15 20 0 5 10 15 20 25 Pin 5 Attenuation Control Current (mA) +25°C -40°C +85°C Normalized Gain vs. Pin 5 Control Current 0 5 10 15 20 25 30 35 0.1 1.0 10.0 100.0 Pin 5 Attenuation Control Current (mA) +25°C -40°C +85°C |
Similar Part No. - VG111_07 |
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Similar Description - VG111_07 |
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