Руководство по эксплуатации Delta Electronics 4886

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LA2-1-1025-33
4886
Part Number Amplifier Name
Revision 0.a Release Date April 2008
Revision Notes Initial release
Technical Specifications Summary
Frequency Range: 1 - 1025 MHz Gain: 33dB
P1dB: 2 Watts CW Efficiency: 12%
Class: A Temperature Range: 0 to 50°C
Supply Voltage: 28 V DC Max VSWR: 10:1
Amplifier General Description
This ultra broadband class A amplifier operates from below 1 MHz to over 1 GHz. Using all gold
metallized LDMOS transistors and a stable design, this compact, high perf

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LA2-1-1025-33 4886 Electrical Specifications Parameter Min Typ Max Units Notes Frequency 1 1025 MHz P1dB 1.5 2 W, CW Psat 3 W, CW Amplifier is rated for this power into 1:1 load only Power Input 1 mW, CW For 2W output Gain 32 33 dB Noise Figure 3.5 4 dB Vsupply 24 28 V, DC Drain Current 0.5 0.70 A, DC Efficiency 12 % Input VSWR 1.5:1 Insertion Phase Variation 5° ° Unit to unit Gain Variation ±2 dB Unit to unit F2 Second Harmonic -45 dBc F3 Third Harmonic -45 dB

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LA2-1-1025-33 4886 Mechanical Specifications Page Number 3

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LA2-1-1025-33 4886 Graphs and Charts Gain 2W P1dB - Watts 40 3.5 35 3 30 2.5 25 2 20 1.5 15 1 10 0.5 5 0 0 0 200 400 600 800 1000 0 200 400 600 800 1000 Frequency - MHz Frequency - MHz Graph 1. Gain, 2W Graph 2. P1dB Gain 2W Harmonics 40 60 35 50 30 40 25 F2 Second Harmonic 30 20 F3 Third Harmonic 15 20 10 10 5 0 0 200 400 600 800 1000 0 0 200 400 600 800 1000 Frequency - MHz Frequency - MHz Graph 3. Gain, 1W Graph 4. Harmonic Performance All data taken at +28VDC Page Number 4 Gain - dB Gain - d

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LA2-1-1025-33 4886 Integration and Operating Instructions Attach amplifier to heatsink using thin layer of thermal compound. The amplifier will produce approximately 20W of heat, so a medium size heatsink will be adequate - a heatsink with approximate dimensions 2 x the area of the lab amp and approx 1.0” deep. A smaller heatsink may be used if any airflow is used. Attach RF Input and RF Output using SMA Female connectors and tighten. Install ground wire and Vsup using solder connec- tions - m

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LA2-1-1025-33 4886 Ordering Information Ordering Information: Order Code Description DRFT Reference LA2-1-1025-33 2W Broadband Laboratory amplifier module 4886 Options -A12 Heat Sink Option 0202 -A13 Heat Sink Option with DC Fan, pre wired 0203 -A14 Ruggedized for vibration 0204 -T2 Extended Burn In 0271 -T3 Extended Data Collection 0272 Standard Pallet Options: SMA Female Connectors, Input and Output. Stainless Body, Gold Center pin, 4-hole SMA bolted to pallet amplifier edge throug