FTR2680 @ 17.664 MHz HC49 U FTR2680 15-05-2000 T.
Temex Components
FTR2680 - Voltage Controlled Oscillators
FTR2680 @ 17.664 MHz HC49 U FTR2680 15-05-2000 TEMEX TIME & FREQUENCY XTAL Frequency: 17.664 MHz Features: Operating Temperature Frequency Stabili.