Testing the Siglent SVA1015X

Posted by Geir on October 25, 2018
Posted in: Equipment. Tagged: , , , . Leave a Comment

Testing the Siglent SVA1015X

Been playing a bit with the SVA1015X today.
Here are some snap shots.

Noise floor @ 10MHz, preamp off

 

Noise floor @ 10MHz, preamp on

 

Measuring Rohde & Schwarz SMT02 Phase Noise @ 15MHz

 

Measuring my 10MHz GPS disciplined oscillator Phase Noise.

 

Measuring SAV1015X internal osc Phase Noise.

 

Next pixs; testing one of theese, terminated into a 51 Ohm resistor with the VNA function.

 

Banana to BNC adapter. VSWR: 10MHz to 1.5GHz

 

Banana to BNC adapter.
Smith chart: 10MHz to 1.5GHz

Yamaha R-N803D Network Receiver

Posted by Geir on December 16, 2017
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Santa, ehhh sorry, the postman just brought in a new toy here.
It is a radio, but not HAM-radio, sorry.
It is time to retire my soon to be 30-year-old Sony FM stereo receiver.
The successor is going to be this Yamaha Network/FM/DAB+ receiver, which has all kind of bells and whistles. (Just barely tested it, but it sounds very good)

Yamaha R-N803D Network Receiver

My #MicroHam MKII failed me last night. #Hamr #Hamradio

Posted by Geir on October 8, 2017
Posted in: Equipment, Repairs. Tagged: , , , . 2 comments

After serving me for many years, my good old keyer, microham mkII stopped keying last night.
Of course this happens at the least convenient time, during a contest.
I got an idea of where the fault lies, but if any of you guys has a schematic if the MKII lying around, I would VY much like a copy.
73 de LA6TPA
Geir

Failed Microham MKII