On Aug 17, 6:05�am, Willer wrote:
Hi
I would like to know the best way to match 2Kohm CFWS455IT Murata
filter between pin 1 and 3 of TDA1572 used as IF Amp in a simple
superhet receiver for shortwave.I thank you in advance for any
suggestion.
best regards.

The TDA1752 was used in the AOR AR7030 (Q30). Take a look at the
schematics which are at mods.dk

HTH and 73

John KC0G