TA7758P ,AM / FM IF SystemTOSHIBA, ELECTRONIC DE DEI=HH?EH? UUL?SEE 3 Ill"firi,Ttltki)l, TOSHIBA. WELECTRONiC fi,)iiiul',f,2, ..
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TA7758P
AM / FM IF System
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AM/FM IF SYSTEM
Unit in mm
TA7758P has developed for music centers and radio 11
cassette recorders. It is Included many functions Jlr'r'” '-rrr-r.r'-Er-teqrN _
and it can be used for Digital Tuning System. ','j,.
High sensitivity' of FM gain is obtained by use this "r"""""'''''""''""";;
IC with TA7358P. F N e i. 25.OMAX E 1621025
. FM IF Amp is 2 block. g
. Including the muting circuit using the low a-_--.".',
254iu25 tv-iso
- 0.25-C0ii
distortion VCA (Voltage Controled Amplifier) and 05:015
|1.4:t0.15
Lead pitch is Z54 and tolerance is
the muting attenuation and bandwidth are randomly
adjusted by this circuit.
. Including the excellent response of the directly i025 against theoretical center of
each lead that is obtained on the
L LED driver circuit and it is capable to use the basis of No.1and No.20 leads.
auto stop pulse for the DTS. JEDEC -
. Excellent strong signal characteristics. TOSHIBA 3D20A-P
. Randomly adjustable frequency characteristics Height t 1.4g
of the AM detection output.
. Built-in the AM/FM switch.
. Common output for AM/FM.
. Low quiescent current , AM=8mA(Typ.), FM=11mA(Typ.)
. Few external parts. .
. Operating supply voltage range t 1lcc=3-8v
MAXIMUM RATINGS (Ta=25°C)
CHARACTERISTIC SYMBOL RATING UNIT
Supply Voltage Vcc 8 ll
Lump Current ILAMP 10 mA
Power Dissipation' (Note) PD _ . 1200 V mW
Operating Temperature Topr .-25-75 7 "c
- Storage Temperature Tstg -55-150 "c
Note: Derated above Ta=25°C in the proportion of 9.6mW/°Cf
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- OPEN :MUTE 0N
° snowman: OFF
AFC ~———-‘ F-E vcc —— vco s'rop
T-77-.05...07
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ELECTRICAL CHARACTERISTICS
Unless otherwise specified: Vcc=5V, Ta=25°C
FM ' f=10.7MHz, fm=1kHz, lf=-.L-22.5kHz dev.
AM t f-lMHz, fm=1kHz, Mod=3OZ
CHARACTERISTIC SYMBOL CTR- TEST CONDITION _ MIN. TYP. MAX. UNIT
Supply éurrent Icconf) VIN=0 - 10 16 mA
ICC(AM) VIN=0 - 6.5 10.4
Input Limiting Voltage VIN(lim) .-3dB Limiting - 35 40 dBu
Recovered Output Voltage V01) Vm=80dBu 83 110 138 mes
Signal to Noise Ratio S/N VINBBOdBu - 70 - dB
Total Harmonic Distortion THD Vm=80dBu - 0.1 - 7.
E AM Rejéction Ratio ANR V1N=80dBu - 4o - dB
Muting Attenuation ATT K=O. 6 50 80 - dB
Band Width BWMUTE K=0.6, -3dB, Rm33kn - 175 - kHz
Lamp 0N Sensitivity Ill, IL=11_nA _ - 38 44 dBu
Meter Drive Voltage Iltf Vm=80dBLl 1.6 1.7 1.9 V
Gain Gv VIN=26dBu 37 60 85 mVrms
Recovered Output Voltage VoD VIN=60dBu 61 83 110 mes
Signal to Noise Ratio S/N VIN=60dBu - 51 - dB
E Total Harmonic Distortion THD V1N=60dBu - 0.4 - 'll
'. Lamp ON Sensitivity VL IL=1mA - 25 31 dBp
i. Meter Drive Voltage VM VIN=60dBu 1.3 1.4 1.5 ll
g Local OSC Stop Voltage Vs'rop - - 2.0 V
Output Resistor FM Ro(FM) - 2.0 - kn
AM Ro(AM) - 2.0 -
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TEST CIRCUIT
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DET our
OPEN 1MUTE 0N
sHOR’rzmu'm OFF
P_E VCC ‘—'-— VCO’STOP
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TA7758P
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TOSHIBA, ELECTRONIC DE oirlyuvr?iyri' DDL?55':I E1 T
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TA7758P
T-77-05-07
9097247 TOSHIBA. 'ELECTRONIC
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COI L DATA
TI AN osc I
Ci) f L(y11) Qo TURN WIRE
(mu) 1-3 h3 1-2 L3 0mm
(is? 796 288 "-, 115 13 73 0.08 unw
4147-1356-038 or SIMILAR
SUMIDA ELECTRIC Co., Ltd t
T2 AM MIX
Ct", f Co (pF) (lo TORN HIRE
(i) . (kHz) 1-3 1-3 1-3 4-6 (mmé)
' Cs?, 455 180 120' 180 15 p.06 UEw
SUMIDA ELECTRIC Co., Ltd t 2150-2162-165 or SIMILAR
T3 AM DET
Ci) f _ Co(pF) G, TURN "WIRE
(kHz) 153 _ 1-3 1-2 2-3 (mugs)
co V 455 180 95 105 73 0.06 mm
SUMIDA ELECTRIC Co., Ltd , 2150-2173-137 or SIMILAR
T4 FM DET -
($315“)
f Co(pF) tlo TURN WIRE
E(an) I-y 1-3 1-3 (mmé)
. 10.7 " 165. 16 0.09 UEW
~SUMIDA ELECTRIC Co., Ltd t
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ca'T.Td.T/d
2153-4095-122 or SIMILAR
AUDIO LINEAR "2crrarr.
www.ic-phoenix.com
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