Products > Test Equipment
AliExpress $30 35MHz-4.4GHz ADF4351 Touchscreen Signal Generator
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ledtester:
Tony Albus has just done a review and comparison of a MAX2870 touchscreen module:

https://youtu.be/DFtC7icVr-E

Apparently uses exactly the same PCB as the ADF4351 offering.

EV:
The rise time of this generator is so fast (70 ps) that it can be used to measure scopes rise time.

I attached a picture where can be seen that rise time of my Tektronix R7103 scope with 7A29 and 7B10 plug ins is about 290 ps.
So the BW of this scope is about 350/290 = 1.2 GHz.
EV:
I attached a picture where can be seen that the rise time of my Tektronix 2465B scope is about 0.84 ns.
So the BW of this scope is about 350/0.84 = 417 MHz.
andymok:

--- Quote from: EV on January 05, 2021, 09:28:30 am ---I attached a picture where can be seen that the rise time of my Tektronix 2465B scope is about 0.84 ns.
So the BW of this scope is about 350/0.84 = 417 MHz.

--- End quote ---

I am also looking one for calibrating my 2445B
Does anyone know whether ADF4351 or MAX2870 module has better Fq accuracy?
bob91343:
I see AliExpress no longer has this item avalable.
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