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- BJT Buffer Amplifier Designer (Collector Feedback Bias)
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- Broadband VHF Power Amplifier, 3 ... 540 MHz, 1.5 W
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- Broadband UHF Amplifier "BONLab-81", 10 dB, +19 dBm
- Broadband Measurement Amplifier, +13 dBm, 4 GHz
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- Sojamod, a 20 dB RF Amplifier up to more than 1.5 GHz
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- Remembering Robert A. Pease, aka "RAP"
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- Noise • Introduction
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- DIY Noise Source with 2 x GVA-81+ - ENR : 21.43 dB @ 1.0 GHz
- DIY Noise Source with 3 x GVA-81+ - ENR : 24.44 dB @ 1.0 GHz
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Your IP is 3.147.28.111
ec2-3-147-28-111.us-east-2.c
Info
เราจะทำแบบวิศวกรผู้ยิ่งใหญ่
24. November 2024
YOU RATED THIS ...
avg = 0.0 , n = 0
Amplifier_BONLab_81.php 6211 Bytes 03-06-2024 18:08:06
Broadband UHF Amplifier BONLab-81
A small helper for the lab. Designed in Khon Kaen. Made in Zürich.
The Prototype.
✈ Hardware Description
This design uses a GVA-81+ (SMT Gain Block, DC - 6000 MHz, 50Ω, MCL) as it has the necessary Gain of 10 dB and an 1-dB compression
close to +20 dBm. The Bias is handled by a TCBT-14+ (Bias Tee, 50Ω Wideband 10 MHz to 10 GHz, MCL)
On the DC side, a Schottky Diode protects the circuit in case of wrong polarity applied. Some decoupling capacitors ensure a smooth supply. A 1 Ω Resistor allows for current measurements as well as an overvoltage protection. The circuit should be supplied with +5.2 V. It draws around 106 mA. Increasing the supply does not increase the Gain.
The gain at 3 GHz is slightly below the typical data, as FR4 starts degrading above 2 GHz.
On the DC side, a Schottky Diode protects the circuit in case of wrong polarity applied. Some decoupling capacitors ensure a smooth supply. A 1 Ω Resistor allows for current measurements as well as an overvoltage protection. The circuit should be supplied with +5.2 V. It draws around 106 mA. Increasing the supply does not increase the Gain.
The gain at 3 GHz is slightly below the typical data, as FR4 starts degrading above 2 GHz.
✈ Downloads
✈ Performance
✈ Thank You 💙
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✈ Share your thoughts
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Your Browser says that you allow tracking. Mayst we suggest that you check that DNT thing ?
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