TK14551V Ver la hoja de datos (PDF) - Toko America Inc
Número de pieza
componentes Descripción
Fabricante
TK14551V Datasheet PDF : 32 Pages
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TK14551V
TEST CIRCUIT
PG1
100 kHz
100 mVP-P
DC = 1.0 V TR, TF < 10 ns
PG1
50
V3 = 0.9 V
V4 = 1 V
SW3
V5 = 1 V
SW4
SG1
50
~
V1 = 0.2 V
SW1
V2 = 2.0 V
2200 pF
2200 pF
51
SW2
5.6 K
CL1
10 pF
100 pF 5.6 K
VC
SG1
FM: 10.7 MHz
1 KHz ± 100 K dev
AM: 40.0 MHz
2 MHz 80% mod
1k
1k
CL2
10 pF
0.01 µF
10 µF
SW5
VD
SW6
A2
A3
VE
Comp VCC
=3V
V6 = 3V
V7 = 3V
NOTE:
CL1 and CL2 simulate probe capacitance
and stray capacitance.
VD and VE are measured with low capacitance
FET probe (Sony Tektronix P6201).
2200 pF
1pF
2200 pF
FM IF Coil
T1: 836BH-0268
(TOKO)
0.01 µF
2.2 K
T1 0.01 µF 0.01 µF
22 K SW7 SW8 SW9 SW10 1000 pF
SG2
2 MHz 200mVP-P
Sine Wave
DC = 1.0 V
10 µF
VCC
47 µF
1000 pF
0.01 µF
VA
10 k
A1
V11 = 0.5 V
VCC = 3 V
VB A4
V8
3K
3K
50
SG2
~
V9
V10 = 0.9 V
=1V
Example of 40 MHz (= fIN) FM detection
January 2000 TOKO, Inc.
56 k
1 pF
2.2 k
22 pF
1000 pF
VCC
A638AN-1346ETJ
(TOKO)
Page 5
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