Wavetek Model 134 Sweep Generator...

darkmoebius · 21st April 2004, 05:43 PM

I bought an old 134 a few months ago and it tests dead on with my universal frequency counter, but it supposed to be able to output a range betwee 0.025-20V pk-to-pk.

Well, while trying to run some bandwidth tests last night using my luke 8050A DMM, I noticed that the highest output possible was 7.1V sine wave and 9.5V square wave.

Is the 20V max only possible using an external voltage device (VCG)?

If it's not abundantly clear, I am totally new to all this.

audiofan · 21st April 2004, 06:01 PM

A sine wave of 20 volts peak to peak is a RMS value of 7.07 volts and a standart DMM reads RMS value so your set is OK

A sine wave of 7 volts RMS is a sine wave that will produce on a resistor the same power as a DC voltage of 7 volts.

Tto get the same power from a sine wave the sine wave must reach 10 volts peak or 20 volts peak to peak

darkmoebius · 21st April 2004, 07:46 PM

I was trying to do some bandwidth tests on the x-over to my speakers at about 2 am last night and that little puzzle threw me a curveball. It was a sign to go to bed.

21st April 2004, 05:43 PM	#1
darkmoebius diyAudio Member Join Date: Feb 2003 Location: Los Angeles, CA	Wavetek Model 134 Sweep Generator... I bought an old 134 a few months ago and it tests dead on with my universal frequency counter, but it supposed to be able to output a range betwee 0.025-20V pk-to-pk. Well, while trying to run some bandwidth tests last night using my luke 8050A DMM, I noticed that the highest output possible was 7.1V sine wave and 9.5V square wave. Is the 20V max only possible using an external voltage device (VCG)? If it's not abundantly clear, I am totally new to all this.

21st April 2004, 07:46 PM	#3
darkmoebius diyAudio Member Join Date: Feb 2003 Location: Los Angeles, CA	Thanks Audiofan I was trying to do some bandwidth tests on the x-over to my speakers at about 2 am last night and that little puzzle threw me a curveball. It was a sign to go to bed.

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21st April 2004, 06:01 PM	#2
audiofan diyAudio Member Join Date: May 2003 Location: quebec	A sine wave of 20 volts peak to peak is a RMS value of 7.07 volts and a standart DMM reads RMS value so your set is OK A sine wave of 7 volts RMS is a sine wave that will produce on a resistor the same power as a DC voltage of 7 volts. Tto get the same power from a sine wave the sine wave must reach 10 volts peak or 20 volts peak to peak

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