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Universal Full HD DİJİTAL KU-BAND Tek LNB Uydu Alıcısı
US$10.99 US$13.99

Q: Is the local oscillator frequency in this LNB stabilized with a PLL?

Soran VE64z4tj Açık 2019-10-08 02:52:13

BG183217411 Full details can be find in description.

2022-02-22 05:00:30 Yararlı (0)
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VE64z4tj 23/05/2019
Using an 8 element RG-6 colinear strapped to the balcony handrail I am getting >190 frames per second on ADSB#. This is approx 100% improvement over the dongle without the pre-amp. Max range observed so far is 400 km -- however my QTH is on top of a hill @ >1300m. In order to avoid the high gain of the preamp overloading the "front-end" of the DVB-T dongle I inserted a 20 dB attenuator on the output side of the preamp and disabled AGC in the ADSB# software. It was no problem for me to solder wires on to the lead from the feed-through capacitor to provide 5 VDC to power the pre-amp but a micro usb socket would have been much more convenient. I would really like to see some gain and bandwidth plots and also a more complete spec and schematic. When installing a pre-amp out of doors it is important to know what kind of input protection is provided. Overall I am quite happy with this pre-amp.
ADS-B 1090MHz RF Ön Uç RF Yükselteç LNA Modülü
US$32.99 US$50.99
2
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HDMI - USB3.0 Video Yakalama Kartı Ses Bağlantı Noktalı 4k60hz HD Edinim Kartı Canlı Kayıt Kutu Oyun HD Video Kaydedici Zenhon T-403
US$30.99 US$37.99

Q: Has anyone tried this with a Raspberry Pi 4 and Android tablet?

Soran VE64z4tj Açık 2020-12-23 12:02:11

Gerifield I used it with my Oneplus 5T without any issues, it worked. (With and USB-C travel adapter.)

2021-07-31 09:35:36 Yararlı (0)
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10000W 0-220V SCR Yüksek Güçlü Elektronik Regülatör Değişken Regülatör Gerilim Regülatörü Dönüştürücü
US$64.99 US$77.99

Q: What certifications does this product have? [UL? CSA ?] I don't see any RFI supression, e.g. common mode chokes, in the photos -- what RFI supression is incorporated in the device?

Soran VE64z4tj Açık 2019-07-14 09:39:20

adilcetin 3 Yıldır Sorunsuz Kullanıyorum, hiç bir problem yaşamadım, 10Kw güce çok rahat dayanır, çünkü damıtma sisteminde 2250 watt 4 Adet Ceketli Isıtıcı ile birlikte kullandım, bütün sertifikaları karşılar

2021-07-30 01:50:32 Yararlı (0)
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Excellway 2200-7000 W Saf Sinüs Dalga İnvertör 220V 50HZ AB Standardı 12V/24V LED Ekran Güç İnvertörü
US$109.99 US$89.99

Q: What electrical certificates of compliance have been issued for this device?

Soran VE64z4tj Açık 2018-02-19 03:09:55

L-G hehesåkandetgå noone

2021-02-18 02:40:29 Yararlı (0)
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Dış GPS GLONASS Anten Alıcı Konumlandırma Anteni Eğimli SMA Erkek Konektör Araba Navigasyon için 3 Metre
US$10.99 US$13.99

Q: Do I need a voltage insertion T ? What voltage does the pre-amplifier require? I don't see any voltage on the sma antenna connector of my Neo 7N GPS module.

Soran VE64z4tj Açık 2021-01-01 11:41:11
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VE64z4tj 19/12/2018
connected input to 12VDC and output to Fluke voltmeter. Initial setting of the potentiometer, as received, gave approximately the input voltage. Adjusted the voltage down to just over 5 V. Further adjusting the potentiometer dropped the voltage to 0, more or less as expected. Turning the pot the other way brought the voltage up smoothly to over 30V under no load - continued turning the pot when there was a sudden voltage drop and the XL6009 started heating. Disconnected voltage immediately. Added 20 ohms of power resistors in series with the input and tried again. No output voltage. A resistance check across the out put showed approx 0.3 ohms -- more or less a dead short. Thought it might be one of the two caps filtering the output so I removed and tested these and then replaced them with new 50 V rated caps. Still no output and a shorted input. My conclusion is that it is possible to destroy the XL6009 by adjusting the output voltage in excess of 30V; i.e. no integral protection in the circuit on the higher voltage side. USE A VOLTMETER WHEN ADJUSTING THE POTENTIOMETER AND DO NO EXCEED MAXIMUM VOLTAGE SPECIFICATION.
Geekcreit® DC-DC Boost Buck Ayarlanabilir Adım Yukarı Adım Aşağı Otomatik Dönüştürücü XL6009 Modül Güneş Paneli için Uygun
US$9.99 US$8.99
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RTL SDR Alıcı V3 Pro Yonga seti ile rtl2832 rtl2832u r820t2 Ham için Radyo SDR RTL, 500 Khz-2 GHz için UHF VHF HF AM FM
US$23.99 US$28.99

Q: The written "features" / specification shows 1 ppm TCXO however the photo of the PCB is labeled 0.5 ppm TCXO. Which is correct?

Soran VE64z4tj Açık 2020-06-06 07:53:20

Lacon I have not see 0.5 ppm TCXO in the photo of the PCB.

2020-06-10 02:09:19 Yararlı (1)
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VE64z4tj 14/04/2020
I bought the ESP8266 and the DHT11 modules to set up a remotely readable thermometer. As soon as I found the Github link on the product page, setup was pretty straight forward. I also found a variety of YouTube videos that explain how to add the board to Arduino IDE and set up a web server and give links to prepared sketches. Not much of a problem, even for someone with only very basic Arduino skills. In fact, the only issue I encountered was with the USB cable that I used. Lucky for me the first video I watched pointed out this possible issue and switching to a different USB cable connected the board to Arduino IDE.
D1 R2 V2.1.0 WiFi Modülü ESP8266 Modülü ile Arduino uyumlu ürünler Geekcreit
US$13.52 US$10.99
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VE64z4tj 14/04/2020
I bought the ESP8266 and the DHT11 modules to set up a remotely readable thermometer. As soon as I found the Github link on the product page, setup was pretty straight forward. I also found a variety of YouTube videos that explain how to add the board to Arduino IDE and set up a web server and give links to prepared sketches. Not much of a problem, even for someone with only very basic Arduino skills. In fact, the only issue I encountered was with the USB cable that I used. Lucky for me the first video I watched pointed out this possible issue and switching to a different USB cable connected the board to Arduino IDE.
KY-015 DHT11 Sıcaklık Nem Sensör Modülü
US$6.99 US$9.99
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VE64z4tj 08/04/2019
would benefit greatly from instructions in English. Regrettably, not everyone is able to read Mandarin.
FURRYTAIL Kedi Çim Bir Fincan Saç Top Tohumlar
US$5.99 US$7.99
2
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Anahtarlama Güç Kaynağı Sürücü AC 110 V / 220 V DC 12 V 30A LED Şerit Işık için 360 W Trafo
US$29.99 US$39.99

Q: 1) what certifications does this supply carry? 2) Is there a common mode choke and fuse on the 230V input side?

Soran VE64z4tj Açık 2019-02-12 08:07:55

Alex Ithink so

2019-11-25 02:40:33 Yararlı (0)
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VE64z4tj 08/02/2019
I use these magnets to make fridge magnets from my scroll saw work. These little magnets have plenty of holding power for this application. I use epoxy to glue the magnets to the work, first using my Dremel with a small milling bit as a mini plunge router to mount the magnets flush with the back of the work. The photo shows a figure cut from 6 mm plywood with magnets on the reverse so it can be attached to a fridge door.
50PCS N35 10mmx2mm Yuvarlak Neodim Mıknatıslar Nadir Yer Mıknatısı
US$10.99 US$13.99
1
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Kabloyu Korumalı 5-1500MHz 20dB Kazanç Geniş Bant Yüksek Frekanslı RF Amplifikatör
US$8.70 US$8.73

Q: What is the noise figure @ 1.1 GHz for this amplifier?

Soran VE64z4tj Açık 2019-09-27 03:43:37
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VE64z4tj 08/04/2019
these devices are very helpful for checking chargers and cables. for the price, everyone with a USB charger should have one.
DC 3-7.5V 0-5A V2.0 USB Gerilim Akım Ölçer Şarj Cihazı
US$0.99 US$9.99
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ADS-B 1090MHz RF Ön Uç RF Yükselteç LNA Modülü
US$32.99 US$50.99

Q: what is the noise figure?

Soran VE64z4tj Açık 2019-04-01 01:24:14

Gossamer 1.0db

2019-04-06 09:02:08 Yararlı (0)
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VE64z4tj 01/04/2019
tried one from the set on wood and aluminum and it worked well.
Drillpro 6pcs HSS 6542 M3-M10 Kombine Matkap Titanyum Kaplı Tap Seti 1/4 İnç Hexagon Metrik Debur Kesici Bitler Vidaların Metrik Tapı
US$29.99 US$9.99
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VE64z4tj 01/04/2019
the rubber sanding drums become difficult to use after a few cycles
Drillpro 132pcs 120 Grit 1/4 3/8 1/2 Inch Sanding Drum with Sanding Mandrel Rotary Tool Accessories
US$10.99 US$13.99
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VE64z4tj 01/04/2019
Happy with these. I find that they are much easier to use than the little sanding drums for sanding curved edges of my scroll saw projects.
Dremel Dekupaj Zımpara Tekerleği 80-600 Grit, 1/8 İnç Mandrel ile uyumlu 7 adet
US$8.99 US$10.99
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VE64z4tj 27/12/2018
I tested the paste by applying a small amount to each side of a smd capacitor and then soldering it to a prototype board using my Hakko soldering station. No issues -- solder flowed well and left very little residue. This would not be a typical use but was acceptable as a test.
YIHUA 35g/40g Lehimlemek Macun Akı YOK Temiz Yüksek Performanslı Macun BGA Rework Lehimleme Onarım Aletler
US$9.99 US$11.99
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