U4221B
| Model | U4221B |
| Description | Radio Controlled Clock Receiver |
| PDF file | Total 12 pages (File size: 170K) |
| Chip Manufacturer | TEMIC |
U4221B
Radio Controlled Clock Receiver
Description
The U4221B is a bipolar integrated straight through receiver circuit in the frequency range of 60 to 80 kHz. The device
is designed for radio controlled clock application.
Features
D
Low power consumption
D
Very high sensitivity
D
High selectivity by quartz resonator
D
Stop-function available
D
Only a few external components necessary
D
Digitized serial output signal
Block Diagram
PON
14
TCO
13
FSI
12
NC
10
VCCD
9
VCCA
16
Power supply
Driver
Comparator
FSS
11
GND
15
AGC
CAGC
4
IN2
1
IN1
2
Amplifier 1
Amplifier 2
Demodulator
3
GND (analog)
8
OUTA1
6
INA2
Figure 1.
7
GND (digital)
5
CDEM
93 7506 e
TELEFUNKEN Semiconductors
Rev. A1, 15-May-96
1 (12)
Preliminary Information
Related PDFs
| Model | Description | Manufacturer | Operation |
|---|---|---|---|
 U4221B-BFP
|
Radio Controlled Clock Receiver | TEMIC | Preview |
|
U4221B-BFPG1
|
Radio Controlled Clock Receiver | TEMIC | Preview |
