RCA 1861, NTSC and a DEC VR-201

From: allisonp_at_world.std.com <(allisonp_at_world.std.com)>
Date: Thu Sep 30 11:53:47 1999

> Silver 1e-2
> Gold 1e-1
> 1 Black 1e0 First 2 digits give mantissa,
> 2 Brown 1e1 3rd digit gives exponent,
> 3 Red 1e2 4th band gives quality of resistor (if present), else +/- 20%
> 4 Orange 1e3 (silver = +/- 10%, gold= +/- 5%, red = +/- 2%)
> 5 Yellow 1e4 5th band (if present) gives reliability (mil-spec, etc.)
> 6 Green 1e5
> 7 Blue 1e6 Example: red-yellow-orange-gold = 2,4,10^3, 5% = 24k Ohm, 5%
> 8 Violet 1e7
> 9 Gray (From Horowitz & Hill, The Art of Electronics, 1st Edition
> 0 White pp. 645-646)
>
> No I'm not an EE but with Horowitz and Hill *anyone* can play an EE on TV,
> so here's my guess:

1brown
2red
3orange
4yellow
5green
6blue
7violet
8gray
9white
0black

> Yellow-Purple-Gold-Gold : 5 8 1e-1 5% = 5.8 +/- 0.29 Ohms

4.7ohms

> Grey-Red-Black-Gold : Confederate Oil-filled resistor :-) ok, ok....
> 9 3 1e0 5% = 93 +/- 4.65 Ohms

82ohms

> Ok, if a *real* EE hasn't already appeared, please do so and set me straight.
> - Mark

Copy error!

Allison
 
Received on Thu Sep 30 1999 - 11:53:47 BST