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Latest version Mini Whip PAORDT Active Antenna Assembled in Box HF LF VLF mini whip sdr RX portable + cables-in Demo Board from Computer & Office on AliExpress - 11.11_Double 11_Singles' Day

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$ 27.50

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Latest version Mini-Whip PAORDT Active Antenna Assembled in Box HF LF VLF mini whip sdr RX portable + cables Details & Specification :

Item Specifications
Brand Name HQXRTEK
Demo Board Type ARM

 

Description:
 

The installation method of mini-whip antenna: The installation height is minimum 2 meters above the ground, and the lower half of the antenna must be fixed on the metal object to have an effect. The specific acceptance effect is related to the geographical position of the Installation.

Feature:
New version, using modern BF998 and BCX54 semi conductors.
 Real class A circuitry, clean reception without IMD.
 One coax connection.
 Broadband R/C coupling to the receiver, no transformer.
Technical Specifications:
 Frequency range: 10 kHz - 30 MHz
 Power: 12 - 15 volts at 150 mA
 Second order output intercept point: > + 70 dBm
 Third order output intercept point: > + 30 dBm
 Maximum output power: in excess of - 15 dBm
 PCB Size: Length (mm): 155 x 27
 Connector: BNC
 Feed line: 50 - 100 ohm coaxial cable up to 100 meter long
 
To note please:
Each antenna performs as good as its installation permits it to. Any active antenna is not working good inside the house! It should be mounted OUTSIDE and as high as possible. Place this MiniWhip antenna PCB inside suitable enclosure of your choice and mount outside the house Probably for the enclosure you can use a piece of the PVC tube which available in various diameters in a local store. Do not use metal enclosure! It wont work there!
 
For max. sensitivity:
- this antenna should be positioned as high and free from metal conductors as possible.
- the ground plane of the PCB must NOT be lower than the top of the mast.
(the connection to and the antenna surface itself must be ABOVE the top of the mast).
 
For best signal-to-noise ratio:
- install the Miniwhip onto a well grounded mast.
- connect "GND" of the Miniwhip PCB to that mast.
- place HI-Ui ferrite cores (Ui between 5000 and 10.000) on the beginning and end of all cables to block cable noise currents.


Package included:
1 x  Board+    6 m M male connector+8 m BNC male cable