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STEBRUAM
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Quality Score: Excellent
Customer Rating: Average
NOTE:
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Why AMLA50 is better than MLA30?
The MLA30 will have noise near 10MHz and 20MHz, because it uses ordinary power or mobile power supply (mobile power has a boost function that will affect the reception),There is another disadvantage. MLA30 uses a feeder to power the external , which will further affect the receiving effect and reduce the receiving performance.The solution used by AMLA50 is different from that of MLA30. We use a profeional receiving ch with excellent reception. Radio enthusiasts are welcome to buy it for evaluation and comparison with other types of s.
AMLA50 reception effect video: https://youtu.be/c2GOiL2MSPc
Order guidance:
Upgraded version ( box can be hung outdoors)
2020 is newly upgraded, redesigned the circuit, the receiving performance is stronger, and the circuit board has been waterproofed.Parameter descrtion (AMLA-150):①Frequency range: 10KHz-150MHz②Voltage input: 6-15V (Max50mA)The package includes:1. Waterproof box (with signal receiver inside) x 12. 10m feeder SMA-J (male) x 13. 10m power cord x 14. BNC-J (male) connector x 15. 3.5mm (mono) to SMA (female) conversion cable 20cmx 16. Conversion cable (9V battery on to DC2.1) x 17. Linear power supply (AC220V input, 8V output) x 1 (If you need AC110V, please leave us a meage)8.Loop x 1. (304 steel wire, steel wire Φ1.5mm, loop vibrator Φ60cm)
At present, this shortwave active loop with the highest cost performance, you can buy it to test and compare with other s. If you are not satisfied with this , please give one star or return it.
Recently there have been customer reviews, signal overload, and the use of faults pay attention to the followins:
1. Keep away from strong interference sources such as electric vehicle chargers.2. Use 8.5V or 9V dry batteries or rechargeable batteries, or rechargeable batteries used by 6LR61 6F22.3. When using, make sure that the has enough power, because the battery will affect the receiving effect during charging.4. Put the as close as poible to the window or outdoor, the reception effect is better.5. The gain is adjusted to about 70%, and the receiving effect is the best.6. From the structure of the circuit board, we can see that the purpose of using the least electronic components is to achieve the best receiving effect. The more electronic components, the more interference sources.
The new upgrade adopts immersion gold circuit board to improve the effect.
Order guidance:
Type 1:
1. Empty .2. Electronic components.3. Loop x 1. (304 steel wire, steel wire Φ1.5mm, loop vibrator Φ60cm)
Type 2:
1. A finished board.2. Loop x 1. (304 steel wire, steel wire Φ1.5mm, loop vibrator Φ60cm)
Type 3:
1. Finished board x 1 (without battery).2. 3.5MM male to SMA male(6 meters) x 1. 3. Loop x 1. (304 steel wire, steel wire Φ1.5mm, loop vibrator Φ60cm)
Type 4:
1. Finished board x 1 (without battery).2. SMA-J male to BNC-J male (6 meters) x 1.3. Loop x 1. (304 steel wire, steel wire Φ1.5mm, loop vibrator Φ60cm)
Type 5:
1. Finished board x 1 (without battery).2. SMA-J male to SMA-J male (6 meters) x 1.3. Loop x 1. (304 steel wire, steel wire Φ1.5mm, loop vibrator Φ60cm)
Type 6:
1. Finished board x 1 (with 8.4V rechargeable lithium battery).2. 3.5MM male to SMA male (6m) x 1.3. Loop x 1. (304 steel wire, steel wire Φ1.5mm, loop vibrator Φ60cm)
Type 7:
1. Finished board x 1 (with 8.4V rechargeable lithium battery).2. SMA-J male to BNC-J male (6 meters) x 1.3. Loop x 1. (304 steel wire, steel wire Φ1.5mm, loop vibrator Φ60cm)
Type 8:
1. Finished board x 1 (with 8.4V rechargeable lithium battery).2. SMA-J male to SMA-J male (6 meters) x 1.3. Loop x 1. (304 steel wire, steel wire Φ1.5mm, loop vibrator Φ60cm)
Guidelines for Welding Parts:
① There is an orange circle on the resistor, it is a 4.7K resistor② There are 3 red circles on the resistor , it is a 2K resistor③ D1 is directional, please note that the white circle is on the right④ C1 resistor model is 474
Frequently Asked Questions:
1. Is Desheng PL365 applicable? ----------------- Not applicable, do not recognize the interface2. 9V battery input (batteries used by 6LR61 6F22)Is the battery really dead? ----------- If the light doesn't light up, there is no electricity3. Do I need to cut the nylon cable ties for battery replacement? --------- No, just slide it out from the bottom4. What frequency band to cover?---------short wave is best, medium wave and FM are second place.5. What is the use of the indicator light? ------ Power indication, if a lamp is damaged and not bright, it will affect the work6. Does the indicator consume power? ----------- not7. What interface is the ? --------- SMA female seat, outer screw inner hole8. Output impedance? ------- 50 s9. Gain adjustment range? --------- Voltage gain 20 ~ 52dB (voltage magnification 10-400 times)10. Gain adjustment potentiometer specification-2K11. Power supply voltage range? ------------- 6V to 15V, DC. Note: Do not reverse the polarity of the power supply, otherwise it will burn the ch.12. Can I use the power adapter to supply power? --------------- No, the switching power supply has interference13. Can I use the power for power supply? ------------- No, the charging treasure has boost interference14. Is this lightning proof? ------------ No lightning protection
Note:
1. The gain adjustment knob rotates clockwise to increase the gain and counterclockwise to decrease the gain. Too high a gain may cause the receiver to be overloaded (do not adjust too high). Too low a gain may cause unstable abnormalities (do not adjust too low) Adjust to the best gain according to the actual situation to get the best effect. After the gain is set, you do n’t need to screw it often. Generally, turn it clockwise to 70%. For most devices, the gain is appropriate.2. Tighten the erfly nut with proper strength, if it is too tight, the pad will have a deep indentation3. If it is used by radio, in order to avoid overload in DX / e gear, please turn the radio e switch to Local / local (Normal) gear or Normal4. The circuit board can not touch the metal conductive object, it will short circuit and burn the LED lamp, and the broken LED lamp will affect the work5. The has strong directivity, and the direction and elevation angle need to be rotated to oain the best signal quality.
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