DA1016.003
31 October, 2000
TYPICAL APPLICATION
Crystal
*
AON (=AGC on)
QO
Ferrite-
Antenna
RFI
AGC Amplifier
Demodulator
&
Comparator
OUT
QI
Receiver
output
VDD
1.4 V
Power Supply/Biasing
VSS
PDN
AGC
Note 1
0.47…1 uF
47 nF
DEC
Crystal frequencies:
77.503 kHz for DCF77 Receiver,
60 kHz for WWVB (USA) and MSF (British) Receiver
40 kHz JG2AS (Japan) Receiver
Note 1: AGC Capacitor
DCF77 Receiver 0.47 to 1.0 uF
WWVB (USA), MSF (British) and JG2AS (Japan) 220 nF (external control of AON (=AGC on)is needed, for
more details see also DAEV1016)
4 (6)