[Elecraft] Alignment of VCO - Problem

[David C Dawson]

Don,
OOPS!
Here are the measurements on Q17:

Point	Measured	Chart
-----	--------	-----
Gate:	2.17		2.2
Source:	-			0.0
Drain:	1.97		2to3
On Tue, Nov 14, 2006 at 09:09:43PM -0500, Don Wilhelm wrote:
> David,
> 
> The voltage measurements at Q17 please!
> 
> 73,
> Don W3FPR
> 
> > -----Original Message-----
> > Thanks,
> > Here's the measurements.
> > Note: the transistors are quite close to the board, so I had to figure
> > out which adjacent pad to tap; I think I have measured correctly.
> > 
> > 
> > The DC Voltages at Q18 are:
> > 
> > Point	Measured	Chart
> > -----	--------	-----
> > Gate:	0.00		-1.0
> > Source:	3.19		2 to 3
> > Drain:	8.02		6.3
> > 
> > !
> > 
> > Q16:
> > 
> > Point		Measured	Chart
> > -----		--------	-----
> > Emitter:	0			0.0
> > Base:		0			0.6
> > Collector:	7.98		2.2
> > 
> > !!
> > 
> > 
> > 
> > T5 is correct according to the diagram on page 55; leads 1 and 3 come
> > from the top of the core and leads 2 and 4 come from the bottom, and I
> > think that being so, the green winding cannot be reversed.
> > 
> > 

-- 
David Dawson

The greatest dangers to liberty lurk in insidious encroachment by men
of zeal, well-meaning but without understanding.
                -- Justice Louis D. Brandeis