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Mark Cirillo

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    Shared Projects Questions Sponsorships Feedback Blog Like
    10MHz Dist Amp, Sine Wave (Good)
    Good board, but maybe too big. PI Input Attenuation
    Andrew BCN STM32F411 rev9
    Works good... missing BMP280 0.1uF Cap
    Simple GPSDO 75x100 (good)
    Added LVR Caps/Diodes
    10MHz Dist Amp, Sine Wave 4ch
    4 channel sine wave distribution amplifier. 1 Transformer
    Small OCXO Board (5)
    5: Simplified Pinouts (shared), Vias Added (Good)
    10MHz BPF (6) (Use)
    6: Vias Added (Good)
    Large OCXO Board (E)
    E: No LVR, No Vias, (backup)
    10MHz Chebyshev 2nd Order BPF
    Not great attenuation... -3dB @10MHz -20dB @20MHz -22dB @30MHz+
    Lars Simple r1b
    3x TO-252 LVR's GPS/IC on one LVR
    Simple GPSDO 83x80 (okay)
    74HC14 5V from wrong LVR (Vocxo). 5V ONLY Gaps in IC Copper Unnecessary 0ohm Resistors
    10MHz Distribution Amp Rev.2 (3)
    3: Rev2, TQP369181 Amp, Standard 1206 SMD's (Good)
    Large OCXO Board (4)
    4: Simplified Pinouts (shared), Vias Added, LVR Added, (Good)
    Small OCXO Board (G)
    G: Redundant MV85 Pinout, No Vias, (backup)
    10MHz BPF (F)
    F: No Vias (Good)
    1 2 3 4

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