©2002 Hamtronics, Inc.; Hilton NY; USA. All rights reserved. Hamtronics is a registered trademark. Printed: 12/14/01
- Page 4 -
Note: Some LED's have flat on one side, and oth-
ers have a longer positive lead than negative.
Страница 1: ...heart of the unit is UI which is a phase locked loop detector The center frequency is set by C2 and R1 R3 The bandwidth is set by the resistors and capacitors between pins 7 8 11 and 12 The dc output...
Страница 2: ...hot terminal of the volume con trol C1 in the DE 202 makes it un necessary to avoid connecting to the de emphasis network If you tried to connect directly to the output of the detector you usually wo...
Страница 3: ...locked loop d e tector are dc switches The testing procedure at the left describes how to check the detector center frec1uency The bandwidth is preset with fixed re sistors You can check for a minimu...
Страница 4: ...2 Hamtronics Inc Hilton NY USA All rights reserved Hamtronics is a registered trademark Printed 12 14 01 Page 4 Note Some LED s have flat on one side and oth ers have a longer positive lead than negat...