View Single Post
Old 10th Jul 2019, 10:18 am   #1
Freya's Avatar
Join Date: Jan 2009
Location: Falmouth, Cornwall, UK.
Posts: 1,804
Default Hedghog II 625 to 405 line Standards Converter. Hedgehog.

I am now able to offer fully completed Hedghog II standards converters, please PM for price.
Switch between aspect ratios of 4:3 => 4:3, 4:3 => 5:4, 16:9 => 4:3 and 16:9 => 5:4.
Pedestal (lifts black level 50 mV above blanking level)
Normal broad pulses or broad pulses with equalising pulses
Soft, medium and sharp interpolation apertures
Audio test tones of 400Hz and 1KHz
Test card and grey scale
13 Channel RF out covering Band l and lll (system A)
405 line video out (1VPP)
Can be used as a System A modulator.
Requires 7.5 to 9 V linear DC at 250 mA.
Attached Thumbnails
Click image for larger version

Views:	358
Size:	42.2 KB
ID:	186441   Click image for larger version

Name:	HEDGHOG_II_04_BACK.jpg
Views:	321
Size:	40.0 KB
ID:	186442   Click image for larger version

Name:	top.jpg
Views:	384
Size:	80.3 KB
ID:	186443   Click image for larger version

Name:	untitled.jpg
Views:	359
Size:	98.8 KB
ID:	186444  
_________"It`s only an old telly" ___
Freya is offline