Picovna11/20/2023 The MegiQ 6GHz unit does seem to only target the IoT craze, but their GUI is very nice, simple and effective. Tek is rubbing me the wrong way recently. They repackaged the SRS SG390 w/ a graphics front panel for the TSG4100 and kicked the price way too much IMHO. The TTR supposedly also has substandard port matching and needs to make up for it during cal. See timestamp 51:00 of the PicoTech sales training video below for VNA market overview: Tek seems to be price gouging as prices go up alot every year and they nickel/dime you to death on software "features" (for the RSA600 RT SAs anyways). Seems like the "PicoVNA" was actually designed by LA Techniques Looks like PicoTech also rebadged their amazingly rudimentary GUI. I will provide an update after I receive it and have some time to experiment. Due to demand, the lead time for delivery of this unit is 6 weeks. I purchased a plastic carrying case from Amazon for $37.20 and did my own cutouts. I purchased this unit and it looks good on my HP VNA. Reasonable cal kits are available on ebay in the $100-$200 range. I expect that other manufactures of USB based VNA's to consider reducing their prices. The Pico 106 probably helped push the current price discount on the TTR506A. Once the cost of the design of the ASIC was paid for the actual cost of production is probably not that expensive. In addition to the ASIC chip there are a couple of directional couplers and the control logic interface circuits. The heart of this instrument is on a custom ASIC that contains 6 receivers and 2 RF sources. The USB VNA market is quickly becoming very competitive. It is currently on special for $6,600 discounted from$11,400. I just ordered a Tektronix TTR506A VNA from Fotronic Corp.
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