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W7RY QSK Input RF Relay and Circuit Board Mounting Now with Post RF Detector

$ 8.42

Availability: 191 in stock
  • Type: Linear Amplifier
  • MPN: Does Not Apply
  • Condition: New
  • Model: W7RY Input Relay Board
  • Brand: W7RY
  • All returns accepted: ReturnsNotAccepted

    Description

    NEW-NEW-NEW
    W7RY RF Input QSK Relay
    NOW with RF Post Detector
    ***********************************************************************
    This board now has an RF post detector, which will keep the amplifier keyed, in the case where the radio continues to transmit RF, and help protect the relay contacts of this relay and the vacuum relay.
    ***********************************************************************
    The auction is for ONE relay soldered to the circuit board as shown, and the circuit board itself.
    The relays are quite small but pack a 2 amp contact rating per contact set. I parallel both sets of contacts on the circuit board.
    I have tested these with 100 watts and very long key-down at 100 watts, and they have no heating and very low loss and they work perfectly.
    The value for R19 (resistor across the coil of this relay) on my QSK products needs to be 220 Ohms 1 Watt.
    One side note..
    I have observed that in ALL of the amplifiers (SB-220, SB-200, TL-922, AL-82, Drake L4B) that I have installed FAST W7RY QSK RELAY systems into, have QUIT arcing in the the tuning capacitors even with no additional parasitic suppression methods! In my opinion, the reason for 99.5% of tuning capacitor arcing is improper T/R relay sequencing and SLOW open frame relays that cant keep up with your modern transceiver.
    Because I no longer get your email address from EBay when I get notified of your purchase,
    you must email me at the address shown in the pictures,
    so I can send your documentation. Please include your EBay ID in your email.
    I
    nternational shipping please note! I ship by US mail. I cannot track an item any better than you can. It takes time for items to get to you. I cant control this time, nor can you. I'm sorry, but I cant be responsible for the mail system world wide. Please understand this. Thanks!
    Due to my travel schedule, I can only ship on Monday, Friday or Saturday. Thanks for understanding.
    Thanks and 73
    Jim W7RY