Customer Reviews

4.97 out of 5
Write a Review
  • All Reviews (59)
  • Image (0)
  • Video (0)
  • All Star
    • All Star(59)
    • 5 Star(57)
    • 4 Star(2)
    • 3 Star(0)
    • 2 Star(0)
    • 1 Star(0)
Sort by:
Top Review
  • Top Review
  • Most Helpful
  • Most Recent
  • January-14 2020 22:26:02

    Good value... but can be modified to work better by reducing the bias current on the output stage. Resistor R6 needs to be reduced. Can use a small (10k) trimpot to make adjustable.

    Comments (1)
  • February-05 2020 00:38:22

    Before connecting, use silicone grease under the transistors. The maximum voltage is 12 V. The transistors operate in class A. At 12 V, the current is 0.45 A. 1.25 W output power, 27 dB power gain at f = 400 MHz.It will be good as a class B symmetric output stage driver. Delivery time was 60 days.

    Comments
  • August-22 2020 10:07:06

    Werkt goed bij een voedingsspanning niet hoger dan 10 volt 100ma. Ingebouwd in een metalen behuizing, met een opening waar de koelvinnen doorheen steken.

    Comments
  • August-04 2020 14:02:07

    8 day delivery from the UK-store

    Comments (1)
  • July-25 2020 08:42:43

    As previous comments. Max 12VDC no more. With 12VDC vertical alignment and addition ventilator are necessary.

    Comments
  • July-06 2020 23:04:05

    Powered up on 15.03 VDC as specified and transmitted. It fried in 10 seconds. I suggest using only 12.0 VDC NO MORE. Awaiting new order.

    Comments
  • February-27 2020 07:28:16

    Good working ampifier with low noise level. For continuous operation I recommend additional air cooling.

    Comments
  • December-02 2020 08:51:15

    Fast shipping, looks good and quality.

    Comments
  • August-05 2020 05:06:31

    Very pleased, worked as soon as connected.

    Comments
  • July-27 2020 12:56:43

    VERRY FAST GUTE QUALITÄT ALL OK

    Comments
Show:

    Go to page

    Go

    You might be interested in

    recommendation for you
    • US$10.99
    • US$9.99
    • US$7.99
    • US$24.99
    • US$4.99
    • US$15.99
    • US$9.99
    • US$21.84
    • US$23.99
    • US$8.99
    • US$13.99
    • US$4.57
    • US$18.99
    • US$24.99
    • US$12.99
    • US$29.99
    • US$36.99
    • US$66.99