|
|
零件编号 | U4224B-CFL | ||
描述 | Time Code Receiver | ||
制造商 | TEMIC Semiconductors | ||
LOGO | |||
1 Page
Time Code Receiver
U4224B
Description
The U4224B is a bipolar integrated straight through receiver circuit in the frequency range of 40 to 80 kHz.
The device is designed for radio controlled clock applications.
Features
D Very low power consumption
D Very high sensitivity
D High selectivity by using two crystal filters
D Power down mode available
D Only a few external components necessary
D Digitalized serial output signal
D AGC hold mode
Block Diagram
GND 3
VCC 1
PON
15
Power Supply
TCO
16
93 7727 e
Decoder
11 FLB
10 FLA
9 DEC
IN 2
AGC
Amplifier
4 5 6 13
SB Q1A Q1B Q2A
14
Q2B
Rectifier & 12 SL
Integrator
7
REC
8
INT
TELEFUNKEN Semiconductors
Rev. A3, 02-Apr-96
1 (17)
U4224B
Test Circuit (for Fundamental Function)
Ivcc
Iin
1M
VCC
3V
Vd
1.657V
300k
Ipon
Test point: DVM with high and low input
line for measuring of a voltage Vxx or a
current lxx by conversion into a voltage.
Stco
Vtco
Spon
1M
82p
1M
Isl
TCO PON Q2B Q2A
Ssl
U4224B
100k
SL
Sdec
10M
VCC STABILISATION
DECODING FLB
AGC-
AMPLIFIER
IN
RECTIFIER
FLA
100M
DEC
Idec
Vdec
GND SB Q1A Q1B REC INT
~
Vin
82p 680p 3.3 n 420k
Vrec Srec
Ssb Sint
Vsb 1M
10M
10M
Vint
Vrec Vint
Isb
Irec Iint
94 8384 e
8 (17)
TELEFUNKEN Semiconductors
Rev. A3, 02-Apr-96
U4224B
Dimensions in mm
Package: SO 16 L
94 8961
16 (17)
TELEFUNKEN Semiconductors
Rev. A3, 02-Apr-96
|
|||
页数 | 17 页 | ||
下载 | [ U4224B-CFL.PDF 数据手册 ] |
零件编号 | 描述 | 制造商 |
U4224B-CFL | Time Code Receiver | TEMIC Semiconductors |
U4224B-CFLG3 | Time Code Receiver | TEMIC Semiconductors |
零件编号 | 描述 | 制造商 |
STK15C88 | 256-Kbit (32 K x 8) PowerStore nvSRAM | Cypress Semiconductor |
NJM4556 | DUAL HIGH CURRENT OPERATIONAL AMPLIFIER | New Japan Radio |
EL1118-G | 5 PIN LONG CREEPAGE SOP PHOTOTRANSISTOR PHOTOCOUPLER | Everlight |
DataSheet8.cn | 2020 | 联系我们 | 搜索 | Simemap |