TA8836F ,FOR LCD TVS, PIF AND SIF SYSTEMFEATURES
PIF circuitHigh input sensitivity
3-stage variable-gain PIF amplifier
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TA8836F ,FOR LCD TVS, PIF AND SIF SYSTEMapplications of our products. No responsibility
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TA8836F
FOR LCD TVS, PIF AND SIF SYSTEM
TOSHIBA
TA8805,8836,1207F
FOR LCD TVS, PIF AND SIF SYSTEM
FEATURES
PIF circuit
TOSHIBA BIPOLAR LINEAR INTEGRATED CIRCUIT SILICON MONOLITHIC
TA8805F, TA8836F, TA1207F
0 High input sensitivity
0 3-stage variable-gain PIF amplifier
0 Output with black noise inverter (TA8805F)
Output without black noise inverter (TA8836F, TA1207F)
0 Reverse RF AGC output (Emitter follower type)
0 Built-in AFT detection circuit with AFT mute
SIF circuit
0 4-stage SIF amplifier
High-speed response peak AGC with dual time constant
30 mW (Typ.))
SSOP24-P-300-1.00
Weight : 0.329 (Typ.)
RF AGC CURVE
TA8805F, TA1207F I
o Quadrature-type detection circuit
0 Use of a ceramic discriminator device makes the SIF circuit adjustment-free
0 Electronic volume control
0 Built-in audio amplifier (output power :
Product No. RF AGC Polarity Bl.ack noise
inverter
TA8805F Reverse Type Built-in
TA8836F Forward Type Not Built-in
TA1207F Reverse Type Not Built-in
RF AGC OUTPUT (V) —>
TA8836F l
"A: -.-.-.-.-. J
INPUT SIGNAL VOLTAGE (dB/tV) -
980910EBA1
OTOSHIBA is continually working to improve the quality and the reliability of its products. Nevertheless, semiconductor
devices in general can malfunction or fail due to their inherent electrical sensitivity and vulnerability to physical stress.
It is the responsibility of the buyer, when utilizing TOSHIBA products, to observe standards of safety, and to avoid
situations in which a malfunction or failure of a TOSHIBA product could cause loss of human life, bodily injury or
damage to property. In developing your designs, please ensure that TOSHIBA products are used within sdecified
operating ranges as set forth in the most recent products specifications. Also, please keep in mind the precautions
and conditions set forth in the TOSHIBA Semiconductor Reliability Handbook.
OThe products described in this document are subject to the foreign exchange and foreign trade laws.
OThe information contained herein is presented only as a guide for the applications of our products. No responsibility
is assumed by TOSHIBA CORPORATION for any infringements of intellectual propert or other rights of the third
parties which may result from its use. No license is granted by implication or ot erwise under any intellectual
property or other rights of TOSHIBA CORPORATION or others.
OThe information contained herein is subject to change without notice.
1998-12-16 1/17
TOSHIBA
BLOCK DIAGRAM (TA8805F)
TA8805,8836,1207F
AFT Video Sync. Sepa. AFT Video Video Sync. Sepa. De- Limiter FM Det. Audio SIF
Output Output Input Coil Coil 2 Coil 1 Output emphasis Output Input Input GND
24 ca (23 21 a ® 17 16 (ij) 14 ca
I_ _l 4 i
Sync. Sepa. Det.
AFT Limiter _ _
Amp. SIF Limiter
i Amp. ©
Noise I Video
Inverter Det. SIF Limiter
I Video PIF Amp. © Amp. (3) _
AGC Amp. Audio Amp.
SIF Limiter
Det. PIF Amp. © Amp. a ,
IF AGC Volume
SIF Limiter Control
"-- RF AGC -l PIF Amp. co Amp. C)
(D 2 co L9 co C9 co cio eo 11 12
AGC1 AGC2 RF-AGC RF-AGC PIF PIF PIF PIF SIF SIF Volume Audio
Output Delay VCC Input 1 Input 2 GND Input VCC Output
BLOCK DIAGRAM (TA8836F, TA1207F)
AFT Video Sync. Sepa. AFT Video Video Sync. Sepa. De- Limiter FM Det. Audio SIF
Output Output Input Coil Coil 2 Coil 1 Output emphasis Output Input Input GND
65 (Q (23 (ii) (io) CG) (G) GD fit) Js) (ii Js)
I _l 4 i
Sync. Sepa. Det.
Limiter
- Amp. SIF Limiter
k Amp. ©
I Video
Det. SIF Limiter
Video PIF Amp. © Amp. (3) A di A
AGC Amp. u IO mp.
SIF Limiter
Det. PIF Amp. a Amp. © ,
IF AGC Volume
SIF Limiter Control
"-- RF AGC PIF Amp. co Amp. Ci)
0) Q) Q) ti.) G) O.) (7) Q9 e.) Q9 Q9 Q2)
AGC1 AGC2 RF-AGC RF-AGC PIF PIF PIF PIF SIF SIF Volume Audio
Output Delay VCC Input 1 Input 2 GND Input VCC Output
1998-12-16 2/17
TOSHIBA TA8805,8836,1207F
TERMINAL FUNCTION
PIN No. PIN NAME FUNCTION INTERFACE
This ICis adopted dual time C)
. . 1 '
1 PIF AGC1 .constant AGC circuit P. . Cl S,s
Improve AGC responsibility. t, o’
2 PIF AGC2 . _ _'',-',)
To mute picture, connect to Ci) . "N,
GND. 1kQ AGC
7r 1: s, c
RF AGC RF AGC output terminal AGC
3 Out ut (Emitter follower type)
p Output current : 3 mA (Typ.)
Changing comparator oj
4 RF AGC Delay reference voltage adjusts RF
AGC delay point. . t
L,v.'1, RF
Connect bypass capacitor
5 PIF VCC between this terminal and PIF -
GND with shortest wiring.
s f,1c, I)
T T l/ )
6 PIF Input 1 PIF input terminal. I]
7 PIF Input 2 Input impedance 5 kfl (Typ.) G) c: N
i' lug.
C) l I J?. ,c:
1r 7! q r'v, k il
Connect bypass capacitor
8 PIF GND between this terminal and PIF -
VCC with shortest wiring.
1998-12-16 3/17
TOSHIBA TA8805,8836,1207F
PIN No. PIN NAME FUNCTION INTERFACE
a 3L "
r i‘ M fit St "Te
Connect B F between this (iiy- N “Aka
9 SIF Input . p . 9;:
terminal and pm 23. g
t 10pF
Connect bypass capacitor
10 SIF VCC between this terminal and SIF -
GND with shortest wiring.
Control audio amp. gain.
olume (Control range 70 dB (Typ.))
Audio Audio signal output terminal.
12 (i)) - -‘N.
Output (Output power : 30 mW (Typ.)) 40m =
x o-rs,? ir?f
2% t,.l )i-
Connect bypass capacitor
13 SIF GND between this terminal and SIF -
VCC with shortest wiring.
, fi s
Audio signal input terminal. co
14 Audio Input Input audio signal from pin 17 G
through filter. , a
Quadrature input terminal for
FM detection circuit. l, i,)
Connect FM coil between this (i)) " k
15 FM Det. Input terminal and pin 16. - 48m t
Audio output is muted when . 16m
this terminal is connected to M,
GND. 4.8m ~K
17 De-emphasis Audio signal output terminal. 7: 1: O C) ,
1998-12-16 4/17
TOSHIBA TA8805,8836,1207F
PIN No. PIN NAME FUNCTION INTERFACE
Limiter output terminal. (2
Connect FM coil between this Ir N
16 Limiter terminal and pin 15.
Output Applying ceramic discriminator G
sets this circuit to non-
adjustable circuit. I C)
. 1000
18 S nc Se a Sync. sepa. output and input (ij) A
22 y . p . terminal. (D
1: 1: li,
19 Video Coil 1 Connect video connection coil 19
20 Video Coil 2 .
Connect AFT detection coil. t'
AFT output is defeated when 7:
21 AFT Coil this terminal connected to (ij)
GND. La
Video signal
23 Video Output Video signal output terminal. i,
AFT detector output terminal -r-
based on double balanced x
multiplier.
24 AFT Output AFT output is muted when Ci?
AFT coil terminal is connected 7;
to GND. s
TOSHIBA
TA8805,8836,1207F
MAXIMUM RATINGS (Ta = 25°C)
CHARACTERISTIC SYMBOL RATING UNIT
Power Supply Voltage VCC 8 V
Power Dissipation PD (Note) 500 mW
Operating Temperature Topr - 20--65 ''C
Storage Temperature Tstg - 55--150 °C
(Note) When using the device at above Ta = 25°C, decrease the power dissipation by 4mW
for each increase of
RECOMMENDED POWER SUPPLY
PIN No. PIN NAME MIN. TYP. MAX. UNIT
5 PIF Vcc 3.5 4.5 7.5 v
9 SIF Vcc 3.5 4.5 7.5 v
ELECTRIC CHARACTERISTICS (Unless otherwise specified, VCC = 4.5V, Ta = 25°C)
DC CHARACTERISTICS
PIN No. PIN NAME FUNCTION MIN. TYP. MAX UNIT
1 AGC1 1st AGC filter - 4.2 -
2 AGC2 2nd AGC filter 4.2 -
3 RF AGC RF AGC output 3.6 3.8 4.0
4 RF AGC delay RF AGC delay - - -
5 PIF VCC PIF VCC - 4.5 -
6 PIF input 1 IF input 2.5 2.9 3.2
7 PIF input 2 IF input 2.5 2.9 3.2
8 PIF GND PIF GND - 0 -
9 SIF input SIF input 4.3 4.45 4.6
10 SIF VCC SIF VCC - 4.5 -
11 Volume control Audio volume control 2.0 2.2 2.4
12 Audio output Audio output 0.9 1.3 1.7 V
13 SIF GND SIF GND - 0 -
14 Audio input Audio input - - 0.5
15 FM det. input FM det. output 3.5 3.7 3.9
16 Limiter output SIF limiter output 2.55 2.75 2.95
17 De-emphasis Audio de-emphasis 1.15 1.45 1.75
18 Sync. sepa. output Sync. sepa. signal output - - -
19 Video coil 1 PIF carrier output 4.05 4.15 4.25
20 Video coil 2 PIF carrier output 4.05 4.15 4.25
21 AFT coil Connecting AFT coil 4.35 4.45 4.55
22 Sync. sepa. input Sync. sepa. signal output - - -
23 Video output 1 Video signal output 1.40 1.85 2.30
24 AFT output AFT output 1.3 1.8 3.2
1998-12-16 6/17
TOSHIBA TA8805,8836,1207F
AC CHARACTERISTICS (Unless otherwise specified, VCC = 4.5V, Ta = 25°C)
PIF circuit
CHARACTERISTIC SYMBOL CIR- CONDITION MIN. TYP. MAX. UNIT
Pgwer Supply Current at No IPIF 1 - - 11 16 mA
Signal
Output Signal Voltage VD 2 (Note 1) 0.7 1.0 1.3 Vp-p
PIF Input Signal Voltage .
Sensitivity Vi MIN 2 (Note 2) - 43 50 dB/A/
Maximum input Signal V; 2 (Note 3) 95 114 dB V
Voltage I MAX #
-3dB Video Band Width BW 2 (Note 4) 5 6.5 - MHz
Dependence of Output
Signal Voltage On Power VD/VCC 2 (Note 5) - +5 - % /V
Supply Voltage
Deferential Gain DG 3 (N t 6) - 5 1O %
Deferential Phase DP o e - 4 8 C)
Signal-Noise Ratio S/N 2 (Note 7) 40 45 - dB
Intermodulation IM 4 (Note 8) 3O 35 - dB
Suppression of Picture Career CR 2 (Note 9) 45 50 - dB
Sync. Voltage Level Vp 2 87:5tAh1.stan.dard 0.6 0.8 1.0 v
color-bar signal
Output Voltage at No Signal V2 2 (Note 10) 1.6 2.0 2.4 V
Black Noise Inverter Level VBTH 2 (Note 11) 0.4 0.6 0.8 V
Black Noise Clamp Level VBCL (TA8805F) 1.0 1.2 1.4
AFT Control Steepness Af/AV 10 20 30 kHz/V
AFT maximum Output VMAX 4.0 4.3 4.5
Voltage
. . 2 Load:100kQ/100k0
AFT mlmmum Output V 0 3 0 5 V
Voltage MIN .
AFT Mute Voltage VMUTE 2.1 2.25 2.4
RIN 2 - - 5 - k0
PIF Amp. Input Impedance CIN 2 - - 3.8 - pF
Video Signal Output
Impedance POUT 2 - - 200 - fl
Video Amp. Output
Impedance ROUT 2 - - 200 - n
1998-12-16 7/17
TOSHIBA
TA8805,8836,1207F
SIF circuit
CHARACTERISTIC SYMBOL CIR- CONDITION MIN. TYP. MAX. UNIT
P-ower Supply Current at No 1SIF 1 - - 6 11 mA
Signal
Output Signal Voltage VOD 2 (Note 12) 120 150 180 mVrms
SIF Input Signal Voltage
Sensitivity VLIM 2 (Note 13) 30 35 40 dB/A/
Total Harmonic Distortion THD(DET) 2 (Note 14) - 0.4 1.0 %
AM Rejection AMR 5 (Note 15) 3O 45 - dB
Signal-Noise Ratio S/N DET 2 (Note 16) 50 65 - dB
-3dB Bandwidth BW-3di? 2 (Note 17) 180 230 - kHz
Dependence of Output
Signal Voltage On Power VOD/VCC 2 (Note 18) - 1O 15 % /V
Supply Voltage
Audio Amp. Voltage Gain GAF 2 (Note 19) 7.0 10.0 13.0 dB
Audio Amp. Total Harmonic o
Distortion THDAF 2 (Note 20) - 0 3 1.0 hl
Audio Amp. Maximum
Attenuation ATTMAX 2 (Note 21) 60 70 - dB
Audio Amp. S/N S/NAF 2 (Note 22) 40 50 - dB
Audio Amp. Output Power Po 2 (Note 23) 15 30 - mW
Sync. sepa. circuit
CHARACTERISTIC SYMBOL CIR- CONDITION MIN. TYP. MAX. UNIT
Sync. Sepa. input Voltage VSYNCJN 2 - 1 8 2 1 3.0 V
Sync. Sepa. Minimum Output VSYNC MIN 2 0 0 2 0.4 V
Voltage .
S nc Se a Maximum Out ut Load :47 k0
y . p . p VSYNCMAX 2 4.3 4.5 - v
Voltage
1998-12-16 8/17
TOSHIBA TA8805,8836,1207F
TEST CONDITION
(Note 1) Output signal voltage
PIF input : fo = 58.75MH2, 87.5%AM, 84dBp1/, standard TV signal (V/S = 10 : 4
Measure output video signal voltage.
(Note 2) PIF input signal voltage sensitivity
PIF input : fo = 58.75MH2, fm = 15.75 kHz, 30%AM, 84dBpV
Measure output video signal voltage (that voltage is OdB) Lower input signal
voltage gradually, measure input PIF signal voltage when output video signal voltage
is -3dB.
(Note 3) Maximum input signal voltage
PIF input : fo = 58.75MHz, fm = 15.75 kHz, 30%AM, 84dBpV
Measure output video signal voltage (that voltage is OdB) Raise input signal voltage
gradually, measure input PIF signal voltage when output video signal voltage is
(Note 4) -3dB video band width
(1) PIF input :
fo = 58.75 MHz, 84dBpV, CW
Measure IF AGC voltage and supply that voltage from external source.
(2) Input following composite signals to the PIF input :
[SG : 1 58.75MHz, 84dB/A/ (frequency : fixed)
SG : 2 58.65--45 MHz, 64dBpV (frequency : variable)
Monitor spectrum of output signal at pin 24. Change frequency of SG : 2,
measure frequency of SG : 2, when video output signal is -3dB.
Difference between that frequency and 58.75MH2 is -3dB band width.
(Note 5) Dependence of output signal voltage on power supply voltage
PIF input : fo = 58.75MH2, 87.5%AM, 84dBpV, standard TV signal (V/S = 10 : 4
Measure the output video signal voltage when power supply voltage are 3.5V and
5.5V. (4.5 i 1.0V)
Compare those voltage and the output video signal voltage when power supply
voltage is 4.5V.
(Note 6) Deferential gain/Deferential phase
PIF input : fo = 58.75MH2, 87.5%AM, 84dBpV, standard TV signal (V/S = 10 : 4
Ramp) IF AGC : free
Measure deferential gain and deferential phase.
1998-12-16 9/17
TOSHIBA TA8805,8836,1207F
(Note 7) Signal-noise ratio
(1) PIF input : fo = 58.75 MHz, fm = 15.75 kHz, 30%AM, 84 ngV
Measure f AGC voltage and supply that voltage from external source.
(2) Measure output video signal voltage. : (
(3) PIF input : fo = 58.75 MHz, 84dBp1/, CW
Measure output video signal voltage. : V2
Signal-noise ratio is calculated by following equality.
Signal-noise ratio = 20609 (V1 x 6/V2) [dB]
(Note 8) Intermodulation
(1) PIF input : fo = 58.75 MHz, 84dBpV, CW
Supply DC voltage to IF AGC from external source to fix IF AGC
voltage.
(2) PIF input : following composite signals
fo = 58.75 MHz, 84dB/A/, CW
fc 55.17 MHz, 74dBpV, CW Input
fs = 54.25 MHz, 74dBpV, cw
Measure the difference of signal level at pin 24 920 kHz component and 3.58 MHz
component (Chroma sub-carrier).
(Note 9) Suppression of picture career
(1) PIF input : fo = 58.75MH2, fm = 15.75 kHz, 78%AM, 84dBpV
Measure IF AGC voltage and supply that voltage from external source.
(2) Measure output video signal voltage. : V1
(3) PIF input : fo = 58.75 MHz, 84dBpV, CW
Measure signal level of 58.75MH2 component at pin 24. : V2
Signal-noise ratio is calculated by following equality.
Suppression of picture career = 20 x fog(V1/V2) [dB]
(Note 10) Output voltage at no signal
PIF input : no input f AGC : GND
Measure output video signal DC voltage.
(Note 11) Black noise inverter level/Black noise clamp level
PIF input : fo = 58.75MHZ, fm = 15.75 kHz, 78%AM, 84dBpV
Supply 0V to IF AGC from external source. Raise that voltage gradually, measure
black noise inverter level.
1998-12-16 10/17
TOSHIBA TA8805,8836,1207F
(Note 12) Output signal voltage
SIF input : fo = 4.5MHz, fm = 400 Hz, 25 kHz/devi, 84dBpV
Measure output audio signal voltage.
(Note 13) SIF input signal voltage sensitivity
SIF input : f0 = 4.5MHz, fm = 400 Hz, 25 kHz/devi, 84dBpV
Measure output audio signal voltage (that voltage is OdB). Lower input SIF signal
voltage gradually, measure input SIF signal voltage when output audio signal voltage
is -3dB.
(Note 14) Total harmonic distortion
SIF input : fo = 4.5 MHz, fm = 400 Hz, 7.5 kHz/devi, 84dBp1/
(Note 15) AM Rejection
SIF input :
(1) FM : fo = 4.5 MHz, fm = 400 Hz, 25 kHz/devi, 84dBpA/
(2) AM : fo = 4.5MHz, fm = 400 Hz, 30%AM, 84dBp1/
Measure difference of output audio signal voltage between (1) and (2).
(Note 16) Signal-noise ratio
SIF input : fo = 4.5MHz, fm = 400 Hz, 25 kHz/devi, 84dBpV
Measure audio signal output voltage. : V1 [mVrms]
SIF input : fo = 4.5MHz, fm = 400 Hz, 25 kHz/devi, 84dBpV
Measure audio signal output voltage. : V2 [mVrms]
Signal-noise ratio is calculated by following equality.
Signal-noise ratio = 20 fog (V1 /V2) [dB]
(Note 17) -3dB bandwidth
SIF input :fo = 4.5MHz, fm = 400 Hz, 25 kHz/devi, 84dB/A/
Measure audio signal output voltage. (that voltage is OdB) Then change input signal
frequency, measure bandwidth that audio signal output voltage within -3dB.
(Note 18) Dependence of output signal voltage on power supply voltage
SIF input :fo = 4.5MH2, fm = 400 Hz, 25 kHz/devi, 84dBpV
Measure the audio signal output voltage when power supply voltage are 3.5V and
5.5V. (4.5 i 1.0V)
Compare those voltage and audio signal output voltage when power supply voltage
is 4.5V.
(Note 19) Audio amp. voltage gain
Audio input : f= 1kHz, VIN = 100 mi/rms, Pin 11 : Vcc
1998-12-16 11/17
TOSHIBA TA8805,8836,1207F
(Note 20) Audio amp. total harmonic distortion
Audio input : f = 1kHz, VIN = 100 mi/rms, Pin 11 = Vcc
(Note 21) Audio amp. maximum attenuation
Audio input : f = 1kHz, VIN = 100 mVrms
Audio output (Pin11: VCC) = Vmax
Audio output (Pin11: GND) = Vmin
ATTmax = 20 hog (I/max/l/min)
(Note 22) Audio amp. S/N
(1)Audio input I f = 1kHZ, VIN = 100 mVrmS, Pin11 = VCC
Measure audio output : V1
(2)Audio input : No signal
Measure audio output : V2
S/N = 20 fog (V1/V2) [dB]
(Note 23) Audio amp. output power
Audio input : f = 1kHz, Pin 11 = VCC, Load = 80
Raise input signal voltage gradually, measure output signal voltage when THD is 5%.
Po = 1/2/8 [W]
1998-12-16 12/17
TOSHIBA
TEST CIRCUIT 1 (DC CHARACTERISTIC)
TA8805,8836,1207F
Cg 10pF LL C' u. LL
o LL C b-t 3 ”if tt' 5 ti,
_ x o. G G. o G
E T" g o o o" o- NC NC
g o' a 23 22 20 19 18 17 16 15 14 13
.- _| 1 i
Sync. Sepa. Det.
Limiter
Amp. SIF Limiter
* k Amp. Cr)
Noise I Video
Inverter Det. SIF Limiter
I Video PIF Amp. © Amp. © .
AGC Amp. Audio Amp.
Det. '2 Lim®iter 1
IF AGC PIF Amp. © p Volume
SIF Limiter Control
o-- RF AGC PIF Amp. co Amp. CD
1 3 4 5 6 7 8 Q9
sw-1 S, (L) N.C
N m u. u. u.
Cl t I: C} :2 1 x ff,
x _ 1 t, G ca 0, Q
"'. o 2 N o' o C2
TEST CIRCUIT 2 (AC CHARACTERISTIC)
10 pF Audio .
--, ' o t t _
Vcc g‘bvideo AFT coil u pu CDSH4.5MC37K input
a 'cytoutpu o LI. 3511.11
3 F @230 J? switch E
a a k N Ps
Tuner Fe ' a dd o .
AFT M. - + f, _ g TRF CN nator ‘5
Cl m 4.7 M' G N lit 3097 Video _ m
g AFT Video pa. Limiter FM :1: "Audio SIF
g @Doutput 23 outpu 22 21 18 output 17 16 output1 15 utput 14 input ND
Sync. AFT De-
if,r2i coil S S emphasis
p ync. epa. JI
AFT Limiter . ' I
Amp. SIF Limiter
* 1 Amp. ©
Noise I Video
Inverter Det. SIF Limiter
l Video PIF Amp. (3) Amp. (3) A di Am
AGC Amp. U IO p.
SIF Limiter
Det. PIF Amp. a Amp. a 1
IF AGC Volume
SIF Limiter Control
"- RF AGC PIF Amp. co Amp. co
RF-AGC
I delay Volume
1 AGC1 2 AGC2 3 5 PIF 6 PIF 7 PIF 8 PIF 9
Cl )RF-AGC VCC CL, inputl input? GND
u. o 1.1. output tk t
u, N _-
F ff + EFE 11 o G
' o _ '
q d, 1 cu; N 20 km sd) © 51 n er" a
.4 © G
Tuner AGC
v PIF in ut SIF in ut V
* TA8805F .' Built-in CC p p CC
TA8836F, TA1207F : Non built-in
1998-12-16 13/17
TOSHIBA TA8805,8836,1207F
TEST CIRCUIT 3 (DG, DP)
Instrument for DG & DP measurement
Signal output
Video signal Signal input
Monitor scope
- ATT Test circuit 2
f0 = 58.75 MHz PIF
APL = 50%
TEST CIRCUIT 4 (INTERMODULATION)
58.75 MHz
Monitor scope
SG2 Junction pad ATT - Test circuit 2
spectrum
54.25 MHz analyzer
55.17 MHz
TEST CIRCUIT 5 (AMR)
SIF Audio RMS meter
input output
SG ATT - Ca" Test circuit 2 Ca"
0.01 pF
Distortion
1998-12-16 14/17
TOSHIBA TA8805,8836,1207F
COIL ADJUSTMENT
0 Video coil
Measure video signal output DC voltage.
IF AGC : Fix voltage for external voltage source/
PIF input : 58.75 MHz, 84dBpV, CW
Adjust video coil so that video signal output DC voltage is lowest.
It AFT coil
Measure video signal output AFT voltage.
PIF input : 54~62 MHz (sweep signal), 84dBpV
Adjust AFT coil so that AFT output signal is following figure.
AFT OUTPUT
AFT OUTPUT
o -4 -2 f0 2 4 MHz
58.75MHz
0 SIF coil
SIF input : fo = 4.5 MHz, 84dBp1/, CW
Adjust SIF coil so that pin 17 voltage is 1/2 VCC-
1998-12-16 15/17
TOSHIBA
TA8805,8836,1207F
COILE SPECIFICATION
ffdh PART NUMBER CONNECTION SPECIFICATION
Center frequency : 58.75 MHz
TRF-3097 Ci? Ci) Internal capacitor -
Video (TOSHIBA) C) , External capacitor -
AFT 611SNS-10652 Frequency adjustment range : i4%
(TOKO) (D- Ci) Qu : 72 i 20%
Size : 5 mm x 5 mm
Center frequency : 4.5 MHz
TRF-6010D Ci) Internal capacitor : 100 pF
(TOSHIBA) External capacitor -
SIF F292MCAS- C) , .
Frequency adjustment range : i3%
3297IB Qu . 20 + 20W
(TOKO) Ci) . ' - o
Size : 7 mm x 7 mm
APPLICATION CIRCUIT
SIF #CPU
. 1kf) 47 pF 47 PF gillier ZFSEMB
Video l.
output '=' 24pH '=,
g Tpi' IAFT coil
Vcc C3; _ 1 0m .,i.':i-:s.iii,',!T;
Tuner‘_ 2 E; + .
AFT T _ _ +--
Tls) Video ss/St i, 1prF 633$; FM det$Audio SIF
24 CGput6aNiiGiit 22 Gboutput 17 16 15 output 14 input 13 GND
4 De- _ i
Sync. Sepa. emphasis $2:
Limiter
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(fmc AGC2 $32“ (i) mm 8 2m 9 agutmgc Q9 12 100prF
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* TA8805F : BuiIt-in Pf input VCC
TA8836F, TA1207F : Non built-in
TOSHIBA TA8805,8836,1207F
OUTLINE DRAWING
SSOP24-P-300-1.00 Unit : mm
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Weight : 0.329 (Typ.)
1998-12-16 17/17
www.ic-phoenix.com
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