ChrisWatts
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ChrisWatts 09/02/2021
There is one glaring omission to the design of this lab PSU. No output switch. The work-around is to use the main on/off button. Beware overshoot when doing this. I found when setting the output to 5V the output peaked at 5.6V on turn on with no load. The current meter has an offset problem. The one I tested would not register anything less then 6mA, and under read by 6mA above that. On a positive note you get a lot of power rating for the money. Construction looks modern and good quality. The output looks clean. I would invest in some clamp on EMC filters for the supply if you are worried about RF interference.
Wanptek DPS3010U 110V/220V 4 Digits Adjustable DC Power Supply 0-30V 0-10A 300W USB Fast Charging Laboratory Switching Power Supply
US$111.99 US$154.99
4
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ChrisWatts 10/02/2021
Provides plenty of gain over a wide frequency range. Needs careful termination below 2.7MHz as both input and output impedance are outside the Smith Chart. I can't comment on the noise figure as I don't have the equipment to measure that.
LNA 50-4000MHz SPF5189 RF Amplifier Signal Receiver For FM HF VHF / UHF Ham Radio
US$6.47 US$7.76
0
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ChrisWatts 10/02/2021
Nice.
4pcs Car Tires Cap Aluminum Wheel Valves Tyre Stem
US$7.99 US$9.99
0
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ChrisWatts 10/02/2021
For the price a good addition to any RF engineers kit.
RFN02 SMA RF Adapter 20 Kit N Type to SMA BNC to SMA TNC to SMA RF Connectors Adapter
US$42.99 US$51.99
0
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ChrisWatts 10/02/2021
I bought 10dB and 30dB models. Both good value for money. Useable at 8GHz.
2W 0-6GHz Golden Attenuator SMA-JK Male to Female RF Coaxial Attenuator
US$13.99 US$16.99
0
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ChrisWatts 09/02/2021
Charges by Xiaomi phone just fine.
[GaN Tech] BlitzWolf® BW-S18 65W 2-Port USB-C PD Wall Charger PD3.0 Power Delivery Support QC3.0 SCP FCP Protocols Mini Adapter with EU Plug UK Plug US Plug For iPhone 12 12 Mini 12 Pro For iPad Pro 20020 For Samsung Galaxy Note 20 Ultra Huawei MacBook
US$37.99 US$45.99
0
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ChrisWatts 09/02/2021
Nice flexible wire of decent thickness. Quality stacking banana plugs.
DANIU P1036 10Pcs 1M 4mm Banana to Banana Plug Test Cable Lead for Multimeter Tester 5 Colors
US$21.99 US$26.99
0
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ChrisWatts 09/02/2021
Good quality plugs and wire. Clips seem a bit flimsy.
Cleqee P1039 4mm Banana Plug to Test Hook Clip Test Lead Cable For Multimeter
US$10.99 US$13.99
0
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ChrisWatts 09/02/2021
No problems charging my Xiaomi phone.
Bakeey 5A USB Type C Data Cable Fast Charging Line For Huawei P30 P40 Pro MI10 Note 9S Oneplus 8Pro
US$7.99 US$9.99
0
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ChrisWatts 09/02/2021
Good quality build. Reasonably flexible cable.
2pcs 110cm BNC Q9 to Dual Alligator Clip Oscilloscope Test Probe Leads
US$8.99 US$10.99
0
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