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TA1243BFTOSN/a2000avaiRF MODULATOR FOR VCR


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TA1243BF
RF MODULATOR FOR VCR
TOSHIBA TA1243BF
TOSHIBA BIPOLAR LINEAR INTEGRATED CIRCUIT SILICON MONOLITHIC
TA1243BF
RF MODULATOR FOR VCR
The TA1243BF is a PLL RF modulator for the UHF
frequency range. The multi system can easily make the
line up development.
FEATURES
It Phase locked loop frequency synthesizer for RF carrier and
sound subcarrier
o Programmable of no adjustment sound subcarriers
(4.5MH2, 5.5MH2, 6.0MH2, 6.5MH2)
SSOP24-P-300-1.00
0 Possible to use for L-SECAM Weight : 0.32g (Typ.)
o Programmable picture to sound ratio
0 Bus controlled Test pattern Signal Generator
0 Bus controlled one logic output port
0 Bus controlled power save mode
It Controlled by " bus
961001EBA1
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 specified
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 foreign exchange and foreign trade control 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.
1998-05-19 1/18
TOSHIBA TA1243BF
BLOCK DIAGRAM
SOUND SOUND SOUNDMODULATION
VT FILTER VT DEPTH ANALOG RF RF RF RF ANALOG RF VT
OSC1 OSCZ OSC3 OSC4 GND2 RF NF OUTPUT
OUTPUT OUTPUT INPUT ADJ GND1
= = = Kh KC.h A A n A Kh A
24 'i'' l?.Y Q1, l?..9 19 18 17 16 'Q?.) 14 13
l A, GND1 A. GND?
L - 1 _ CP &
CP. q SECAM l RF Carrier Driver
MOD ADJ. l OSC f
l Phase
Phase TSG I Comp.
Comp. l l
L l 1/4 Programmble
Sound Video Divider
Counter --c' Mod,
I a RF Mixer
White AM l
Clip Mod.
2 ' Buf.
Clamp - Sound C ta Amp
VCO BUS OSC
D. VCC A. VCC D. GND J,
r>, r'\ n r\ " A"'Ch
\1/ 6/ 'x.3..9 1d9 Ily 'dy \D 'dy 'dy {0/ {1/ Ily
DIGITAL VIDEO PAL/NTSC SECAM SDA 4MHz SCL ANALOG DIGITAL 33V RF LOGIC
VCC SIGNAL SOUND SOUND X'tal VCC GND VCC SIGNAL OUTPUT
OUTPUT
INPUT SIGNAL SIGNAL
INPUT INPUT
1998-05-19 2/18
TOSHIBA TA1243BF
TERMINAL CHARACTERISTICS (vcc1=5.ov, VCC2=33V, Ta =25°C)
PIN TYP. DC TYP. AC
No. FUNCTION VOLTAGE VOLTAGE INTERFACE NOTE
1 Digital (5.0V) - - -
A. VCC
Video 7:
. 2.4V Sync TIP
2 Signal 0.5Vp_p (D- .
Input (Sync TIP) clamp input
A. GND
PAL / NTSC A. VCC
Sound 7:
3 Signal 0V zoomvp-p @ x 1.931
Input q K . A.GND
SECAM A. Vcc
4 Sound OV 200mV CD 1: cc
Signal p-p
qr t'f,
Input Ps A. GND
D. VCC
5 SDA OPEN BASE Wp-p CD- lkQ IZC BUS serial data
D. GND
6 4MHz X'tal 2.7V -
D, VCC
7 SCL OPEN BASE Wp-p C) t? " BUS serial clock
D. GND
1998-05-19 3/18
TOSHIBA TA1243BF
PIN TYP. DC TYP. AC
No. FUNCTION VOLTAGE VOLTAGE INTERFACE NOTE
A I A I
8 Vna og (5.0V) - - na og power
CC supply
Digital . .
9 GND (0V) - - Digital ground
Tuning voltage
10 VCC33 33V - - power supply
A. Vcc
RF Signal 80dBpV
Output 3 8V (Picture) at. 1: ©
A. GND N‘
12 Logic H 4.3V BUS control
Output L OV - C) 69 IMax =10mA
=5; 1:
A. GND “3
VCC33 C)
g lr .
RF VT tN Tuning voltage
13 - - _®
Output x output
D. GND
D. VCC
14 RF NF - - (r)
D. GND
Analog
15 GND2 (0V) - - Analog ground
16 RF OSC4 3.4V A. VCC
17 RF OSC3 3.4V
18 RF OSC2 3.4V Cui
19 RF OSC1 3.4V A. GND
1998-05-19 4/18
TOSHIBA TA1243BF
PIN TYP. DC TYP. AC
No. FUNCTION VOLTAGE VOLTAGE INTERFACE NOTE
Analog
20 GND1 (0V) - - Analog ground
Possible to
adjustment by the
outside resistance.
Resistance is
A.VCC .
SECAM 2r [ inserted between
Video 30m P VCC and 21 pin :
21 Modulation 3.1V - Co) '" Modulation depth
depth t' decreases
Adj. 7: N Resistance is
A.GND inserted between
GND and 21pin :
Modulation depth
increases
22 Input - - Q
23 Filter - -
Output
A. GND
D. VCC
Sound VT s,
24 - - .- -6))
Output s, C27,
D, GND
1998-05-19 5/18
TOSHIBA TA1243BF
IZC-BUS DATA FORMAT
MSB LSB ACK
Address Byte ADR 1 1 0 0 1 0 1 0 ACK
Control Byte1 C1 1 (*) (*) (*) PS2 PS1 PSO LE ACK
Control Byte2 C2 WO PSA LO FA1 FAO (*) (*) (*) ACK
Prog. Data Byte1 PD1 0 TSG N10 N9 N8 N7 N6 N5 ACK
Prog. Data Byte2 PD2 N4 N3 N2 N1 0 1 0 0 ACK
(*) Don't care
Bus data transmission : ADR +C1+C2 + PD1+ PD2 or
ADR+PD1+PD2+C1+C2 or
ADR+C1+C2 or
ADR + PD1 + PD2
1. PS2--PSO : Picture to sound ratio setting
(Video signal input : Stair case (B/W) 0-51/p-p
Sound signal input : 1kHz sin wave 0.2Vp-p)
PS RATIO (O'IFisiERisTEAN PS2 PS1 PSO
(SYSTEM L) SYSTEM L)
-6dB -10dB O 0 0
-7d8 -lldB 0 0 1
-8dB -12dB 0 1 0
-9dB -13dB O 1 1
- 10dB -14dB 1 0 0
- 11dB -15dB 1 0 1
- 12dB -16dB 1 1 0
- 13dB -17dB 1 1 1
2. LE : System L enable
1 ... This mode is SYSTEM L. Positive modulation for video and AM modulation for sound
inter carrier at 6.5MH2.
In this case, FA1 and FA2 don't care.
0 ... Modes other than SYSTEM L. Negative modulation for video and FM modulation for
sound inter carrier at 4.5MH2, 5.5MH2, 6.0MH2, 6.5MH2.
The system is selected by FA1 and FA2.
3. WO : Control of white clip
1 ... White clip off. The system L is used, and the characteristic of 100% modulations can be
evaluated.
0 ... White clip on.
1998-05-19 6/18
TOSHIBA
TA1243BF
4. PSA : Control of power save
1 ... Power save off. (normal operation)
0 ... Power save on. Becomes waiting for the bus data.
And power supplies other than the bus decoder are turned off.
The data of the decoder is maintained while VCC is added.
When VCC is turned off, power on reset changes the data of the decoder by turning on VCC again.
5. LO : Control of logic out
1 ... 12 pin become high voltage.
0 ... 12 pin become low voltage.
6. FAI-FAO : Sound Inter Carrier Frequencies setting
FA1 FAO SOUND INTER CARRIER FREQUENCY
FREQUENCY DEVIATION
0 0 4.5MH2 l 25kHz
0 1 5.5MHz i 50kHz
1 0 6.0MHz , 50KHz
1 1 6.5MHz l 50KHz
7. TPSG : Control of test pattern signal generator
1 ... ON
0 ... OFF (normal operation)
8. N10--N1 : Programmable Divider Data setting
The frequency of VCO is calculated by the next expression.
fvco = 31 .25kHz x 32 x N + 250kHz
N=512xN10+256xN9+128xN8+64xN7+32xN6+16xN5+8xN4+4xN3+2xN2+N1
The frequency step is 1MHz, and 250kHz is given in the IC.
The divider data N is made frequency -250kHz of the set channel.
1998-05-19 7/18
TOSHIBA TA1243BF
POWER ON RESET MODE
Power on reset functions when the power supply is turned on.
The decoder data is the data of power on reset until the bus data is received.
In this mode, because the power saving is turned on, the RF signal is not output.
0 VCO Frequency Setting : 591.25MHz (CCIR 36ch)
0 Television System : System G (Sound carrier frequency : 5.5MHz,
FM deviation : iSOkHz,
Video modulation polarity : negative modulation)
0 P/S Ratio Set Up -13dB
0 White Clip : ON
0 Power Save : ON
0 Logic Output : LOW
o TPSG : OFF
MSB LSB ACK
Address Byte ADR 1 1 0 O 1 O 1 0 ACK
Control Byte1 C1 1 (*) (*) (*) 0 1 1 0 ACK
Control Byte2 C2 0 0 0 0 1 (*) (*) (*) ACK
Prog. Data Byte1 PDI o o 1 o o 1 o 0 ACK
Prog. Data Byte2 PD2 1 1 1 1 0 1 0 0 ACK
(*) Don't care
1998-05-19 8/18
TOSHIBA
MAXIMUM RATINGS (Ta =25°C)
CHARACTERISTIC SYMBOL RATING UNIT
Supply Voltage 5V System VCC1 8 V
Supply Voltage 33V System W17 35 V
Power Dissipation 1 (Note 1) PD1 595 mW
Power Dissipation 2 (Note 2) P92 830 mW
Input Terminal Voltage VIN GND-thr-Vcc-ro.? V
Operating Temperature Topr -20--75 ''C
Storage Temperature Tstg -55--150 T
(Note 1) Derated linearly above Ta=25°C in the proportion of 4.8mW/°C.
TA1243BF
(Note 2) On the board mounting (Glass epoxy 50x50x1.6mm, Area of copper : 30%)
Derated linearly above Ta =25°C in the proportion of 6.7mW/°C.
Please note the product design of the board because the calorific value is large.
a The copper area is widened.
0 Hole for heat radiation of shield case.
0 Other enough consideration.
RECOMMENDED OPERATING CONDITION
CHARACTERISTIC SYMBOL MIN. TYP. MAX. UNIT
Supply Voltage 5V System VCC1 4.5 5 5.5 V
Supply Voltage 33V System VCCZ 27 33 35 V
1998-05-19 9/18
TOSHIBA TA1243BF
ELECTRICAL CHARACTERISTICS (Vcc1 =5.0V, VCC2 =33V, Ta =25°C, fp=591.25MHZ)
No. CHARACTERISTIC SYMBOL CIR- MIN. TYP. MAX. UNIT NOTE
Supply Current 1 Power supply of 5V
1-1 I - 2 A
(AVCC + D.Vcc) CCI 45 6 80 m part
Supply Current 2 5V power supply of
(D - -
S' 1 2 (A.VctyeD.Vcc) ICC2 4 6 8 mA power save
g Supply Current 3 Power supply of 33V
1-3 I - 2.0 2.5 3.5 A
(Vcc 33V) CC3 m part
1-4 Operating Frequency fop - 471.25 - 855.25 MHz fp frequency
Video RF (Negative
. - 78 81 84 dB/A/ .
Video RF (Positive signal
2-1-2 Output Modulation) Vopup) : 0.5Vp_p input
Video (Ne ati e
2-2-1 modulation g T. mpn - 75 79 83
Modulation) .
Depth (y WHITE signal
Video (Positive " : 0.5Vp-p input
2-2-2 modulation . mpp - 85 89 93
Modulation)
tt White
“’ . . (Negative WHITE signal
a. 2-3-1 CI . MAX - 90 94 98 .
o upping Modulation) mpn( ) : 1.01/p-p input
4; Level
G?. White %
. . (Positive DG/DP : 5%/5°,
2-3-2 Clipping Modulation) mpp(MAX) - 210 240 - WHITE CLIP : OFF
Differential (Negative
2-4-1 Gain Modulation) DGn STAIR CASE
: 0.5Vp-p
- - 13 :5 % (chrominance signal
20IRE)
Differential (Positive
2-4-2 Gain Modulation) DGp
TOSHIBA TA1243BF
No. CHARACTERISTIC SYMBOL CIR- MIN. TYP. MAX. UNIT NOTE
2-5-1 Differential (Negative DPn STAIR CASE
Phase Modulation) ' 0 5V
- - A3 15 Q . . pip .
2-5-2 Differential (Positive DP (Chrominance signal
Phase Modulation) p 20IRE)
2-6-1 Pifo S/N (Negatlvg mpn (S/N) 0.1--5MHz,
Ratio Modulation) Unweighting
- 51 53 - dB 0 '.
2-6-2 Video S/N (Positive m (S/N) WHITE 50% signal
Ratio Modulation) pp input
2-7-1 :rlgejenc (Negative f n
q y Modulation) p
Response 0.1~5MH2 1MHz
. - - i1 12 dB
Video . . Reference
2-7-2 Fre uenc (Positive f
q y Modulation) pp
Response
Average Picture Level APL 10-90%, 50%
- - - + + o
2 8 Drift mp(APL) 10.5 -+3.0 A Reference
(l - (Vsync/Vwhite)
2- h L I A - - 1 a
g 9 Sync Crus eve sync 3 A; x(100/40)1
O Chroma (Negative 4.43MH2 sin wave
ID - - - - - -
T; 2 10 1 Beat Modulation) Vcn 75 70 : 0.5Vp_p input,
dB Video carrier level
Chroma (Positive reference,
2-1 -2 V - - - -
0 Beat Modulation) cp 65 60 P/S= -13dB
2-11-1 RF Carri.er 2 nd szp - - -28 -20
Harmonic Level dB Reference
RF Carrier 3'rd =Video carrier level
2-11-2 Harmonic Level ngp - - -22 -12
1MHz sin wave
: 0.5Vp-p input,
Video Signal 2nd fp+1MHz
2-12 Harmonic Level VpH - - -55 -50 dB Reference,
fp + 2MHz
measurement
2-13-1 'lresc.aller (fpx1/2) VpR1/2 - - 0 10
Spurious
Prescaller dB/A/
2-13-2 Spurious (fpx3/2) VpR3/2 - - 10 20
2-14-1 Video Carrier Frequency " - - - 1100 kHz X'tal serles capacitor
Accu racy
.' 7pF
1998-05-19 11/18
TOSHIBA TA1243BF
No. CHARACTERISTIC SYMBOL CIR- MIN. TYP. MAX. UNIT NOTE
TPSG (Ne ative
3-1-1 Modulation g . mpn(TPSG) 64 74 84
Modulation)
Depth 0/
TPSG (Positive D
3-1-2 Modulation Modulation) mpp(TPSG) 82 92 97
e Depth
k'.' 3-2 TPSG V/S Ratio V/S 2.0 2.4 2.8 -
g 3-3-1 TIPSG Horizontal Sync Tsync - 62 64 66 TPSG mode
, Signal Cycle
TPSG Horizontal Sync
3-3-2 Signal Width Wsync 3.6 4.0 4.4 S
- ' . #
3-4-l IPs SYNC 1'st Signal W1 22 24 26
3-4-2 TPSG SYNC-2 nd Signal W2 38 40 42
Set in -13dB by
. bus, STAIR CASE (B/
4-1 P/S Ratio Rp/S - -15 -13 -ll dB W) signal
: 0.5Vp-p input
Range of P/S ratio can be
4-2-1 . FM AR - - 17 - - 10
P/S Ratio P/SFM dB adjusted by 1dB.
Range of 1kHz sin wave input
4-2-2 P/S Ratio AM ARP/SAM - -13 - -6 : (hill/p-p (AM)
k' Sound (5 Il), / kHz/
1: 4-3-1 Modulation . 2 3pm - 0.558 0.62 0.682 .
g Sensitivity 6.0MHz/ mV 1kHz SIn wave
Ji 6.5MHz) : th21/p-p input,
Sound BFM
. kH / =Af kH /200 V
4-3-2 Modulation FM2 /3FM2 - 0.279 0.31 0.341 2 ( z) (m )
. . . (4.5MHz) mV
Sensitivity
Sound 1kHz sin wave
4-3-3 Modulation AM /3AM - 56.7 63 69.3 % .
. . . : Om/p-p input
Sensitivity
1998-05-19 12/18
TOSHIBA TA1243BF
No. CHARACTERISTIC SYMBOL CIR- MIN. TYP. MAX. UNIT NOTE
1kHz sin wave input
FM1 : i'50kHz dev.=0dB
(5.5MHz/ Inter Carrier
4-4-1 32:? S/bl 6.0MHz/ S/N (FM1) - 50 55 - demod.,
6.5MHz) de-emph = IN,
Colorbar signal
.' 0.5Vp-p input
1kHz sin wave input
: 125kHz dev.=0dB
dB Inter Carrier
4-4-2 pyd S/ S/N(FM2) - 47 52 - demod.,
Ratio (4.5MH2)
de-emph = IN,
Colorbar signal
: o.5vp_p input
1kHz sin wave input
It, : 60% mod.=0dB
CL Sound S/N de-emph = IN
4-4-3 . S/N AM - 50 55 - . '
3 Ratio AM ( ) Colorbar signal
Ji : 0.5Vp-p input
Sound 1kHz sin wave
4-5-1 Distortion FM THD(FM) - : :50 (25) kHz dev.
Sound - 0.25 0.5 % 1kHz sin wave
4-5-2 Distortion AM THD(AM) - : 60% MOD.
4-6-1 Frequency FM fS(FM) - - ll 12
Response dB 100Hz--20kHz,
Sound 1kHz reference
4-6-2 Frequency AM fs(AM) - - 10.5 ll
Response
4-7-1 'ht? 2 nd Harmonic VSH1 - - -65 -60 P/S ratio-- -13dB,
f . dB Video carrier level
Sound 3 rd Harmonic
4-7-2 VSH2 - - - 75 - 70 reference
4-8 Sound Inter-Carrier Afs - - - 1750 Hz X'tal series capacitor
Frequency Accuracy
TOSHIBA TA1243BF
No. CHARACTERISTIC SYMBOL CIR- MIN. TYP. MAX. UNIT NOTE
LOW Level Input
5-1 Voltage of Both SDA VL - o - 1.8 V -
and SCL Lines
HIGH Level Input
5-2 Voltage of Both SDA VH - 2.8 - VCC V -
and SCL Lines
It, at 3mA sink current
LOW Level Output During the
t 5-3 Voltage of SDA Line VACK - 0 - 0.4 V acknowledge clock
p, pulse
Threshold Voltage of
5-4 Power On Reset VRESET - 2.0 2.8 3.6 V -
Mounts on the
. board of power
5-5 Logic Out Current 'LOGIC - - - 10 mA dissipation 830mW.
Ta (MAX) = 75°C
- 6-1 Negative Resistance of RXO - -1 - - kn -
X'tal Oscillator
1998-05-19 14/18
TOSHIBA TA1243BF
INPUT WAVE FORM
WHITE SIGNAL STAIRCASE (B/W) SIGNAL
APL50%
LLI LLI tld
C cc E
-1-y Lu __W
>- E E
__> V __3
I MPa 64ps
STAIRCASE SIGNAL (Sub-carrier 20IRE)
APL50%
I 64 ,us I
1998-05-19 15/18
lllllllllllllllll
CONDITION
IIIIIIIIIIIIIIIII
ADDRESS
tHD : STA
TIMING REQUIREMENTS FOR THE IZC-BUS
tHD : DAT
tH IGH
tsu : DAT tsu .' ST
tsu : STO
IIIIIIIIIIIIIIIIIII
II I I
-tcCtifr,
CONDITION
DATA TRANSFER ON THE IIC-BUS
TOSHIBA
TA1243BF
TOSHIBA
APPLICATION CIRCUIT
TA1243BF
a a tl. l l
<5]; l a
if, tr tf a 0. o
S A 3 '/i" c, c,
1SV262 ly 1SV262 0.22M:
.. t 39kQ
0.047,uF
(fir, 57, \19 t,19' 14 13
RF Carrier T
C.P. C] SECAM I _ Driver
MOD ADJ, l OSC f
l Phase
Phase TSG l Comp.
Comp. E I
1 i I 1/4 Programmble
Sound _ Video Divider
Counter -o Mod.
I -o-- Mixer
White AM T
Clip Mod.
Clam Sound Izc X'tal Buf.
p vco BUS OSC Amp
D. Vcc A. VCC D. GND l
fil fp, Ci.) 5 a 7 r9 Gh, 10 41R fi2
+ t I 5 ll E
I o 4MHz
T- t Pre l, X'tal =, (*)
T mph I 5 T 39pF 2200pF c:
5V 33v
Video Sound SDA SCL RF OUT Logic
IN OUT
L1 : Coil Diameter 3.2mm, Wire Diameter 0.4mm, 2.5 turns.
Protection resistance for prevention of overshoot.
TOSHIBA
OUTLINE DRAWING
SSOP24-P-300-1.00
plplppplplplpllqpllqrr' t J
7.9:t0.3
jaflaaaaaaag;
.l1.8:_9.2
2 2MAX
0-1335 r
Weight : 0.32g (Typ.)
TA1243BF
Unit : mm
(300mil)
L.sla.aitost..

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