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參數(shù)資料
| 型號： | T4225B-MW |
| 廠商： | TEMIC SEMICONDUCTORS |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, UUC17 |
| 封裝： | DIE-17 |
| 文件頁數(shù)： | 11/16頁 |
| 文件大?。?/td> | 195K |
| 代理商： | T4225B-MW |
T4225B
Rev. A3, 03-Dec-98
4 (16)
INT
Integrator output: The voltage VINT is the control voltage
for the AGC. The capacitor C2 between INT and DEC
defines the time constant of the integrator. The current
through the capacitor is the input signal of the decoder.
INT
GND
94 8375
Figure 9.
FLA, FLB
Lowpass filter: A capacitor C3 connected between FLA
and FLB suppresses higher frequencies at the trigger
circuit of the decoder.
FLB
94 8377
Figure 10.
Q2A, Q2B
According to Q1A/Q1B, a crystal is connected between
the Pins Q2A and Q2B. It is used with the serial resonant
frequency of the time-code transmitter (e.g., 60 kHz
WWVB, 77.5 kHz DCF or 40 kHz JG2AS). The equi-
valent parallel capacitor of the filter crystal is internally
compensated. The value of the compensation is about
0.7 pF.
Q2A
Q2B
94 8383
GND
Figure 11.
PON
If PON is connected to GND, the receiver will be
activated. The set-up time is typically 0.5 s after applying
GND at this pin. If PON is connected to VCC, the receiver
will switch to power-down mode.
VCC
PON
94 8373
Figure 12.
TCO
The digitized serial signal of the time-code transmitter
can be directly decoded by a microcomputer. Details
about the time-code format of several transmitters are
described separately.
The output consists of a PNP-NPN push-pull-stage. It
should be taken into account that in power-down mode
(PON = high), TCO will be high.
VCC
TCO
GND
PON
94 8380
Figure 13.
An additional improvement of the driving capability may
be achieved by using a CMOS driver circuit or an NPN
transistor with pull-up resistor connected to the collector
(see figure 14). When using a CMOS driver, this circuit
must be connected to VCC.
10 k
W
VCC
Pin16
TCO
94 8395 e
100 k
W
Figure 14.
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| T4227A 0100 | 制造商:CK tools 功能描述:ENGINEER'S HAMMER 100 G 制造商:CK TOOLS 功能描述:ENGINEER'S HAMMER 100 G; Hammer Type:Pin; Weight:100g; Overall Length:260mm; SVHC:No SVHC (19-Dec-2012); Handle Type:Ash; Length:260mm ;RoHS Compliant: NA |
| T4227A 0200 | 制造商:CK tools 功能描述:ENGINEER'S HAMMER 200 G 制造商:CK TOOLS 功能描述:ENGINEER'S HAMMER 200 G; Hammer Type:Pin; Weight:200g; Overall Length:280mm; SVHC:No SVHC (19-Dec-2012); Handle Type:Ash; Length:280mm ;RoHS Compliant: NA |
| T4227A 0300 | 制造商:CK tools 功能描述:ENGINEER'S HAMMER 300 G 制造商:CK TOOLS 功能描述:ENGINEER'S HAMMER 300 G; Hammer Type:Pin; Weight:300g; Overall Length:305mm; SVHC:No SVHC (19-Dec-2012); Handle Type:Ash; Length:305mm ;RoHS Compliant: NA |
| T4227A 0500 | 制造商:CK tools 功能描述:ENGINEER'S HAMMER 500 G |
| T4227A 1000 | 制造商:CK tools 功能描述:ENGINEER'S HAMMER 1000 G |
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