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Número de pieza | TA1303AFN | |
Descripción | MIXER/OSCILLATOR BUILT-IN FREQUENCY SYNTHSIZER | |
Fabricantes | Toshiba Semiconductor | |
Logotipo | ||
Hay una vista previa y un enlace de descarga de TA1303AFN (archivo pdf) en la parte inferior de esta página. Total 27 Páginas | ||
No Preview Available ! TENTATIVE
TOSHIBA BIPOLAR LINEAR INTEGRATED CIRCUIT
SILICON MONOLITHIC
TA1303AFN
TA1303AFN
MIXER / OSCILLATOR BUILT-IN FREQUENCY SYNTHESIZER FOR VHF, CATV AND
UHF BAND.
The TA1303AFN is a single chip which integrates a PLL and a
MIX · OSC for VHF, CATV and UHF band.
The control data conforms to 3-wire bus and I2C bus formats.
Bus-SW can be used to easily switch for easy tuner system set-up.
Flat, compact package: SSOP30 (0.65 mm pitch)
FEATURES
l MIX · OSC block
· VHF · CATV bands: Mixer and Oscillator
· UHF bands: Mixer and Oscillator
· Built-in IF amplifier
· Single IF output terminal
l PLL block
· Standard bi-directional I2C bus format control
Weight: 0.17g (Typ.)
· 3-wire bus format control
· 18-bit and 19-bit automatical discrimination circuit (when 3-wire bus selected)
· Tuning amplifier
· 4-bit bandswitch drive transistor
· 5-levels A / D convertor (when I2C bus selected)
· Frequency step: 31.25 kHz, 50 kHz and 62.5 kHz (at 4 MHz X’tal used)
· 4 programmable chip addresses (when I2C bus selected)
· Power on reset circuit
· 1 / 4 prescaler
Note: These devices are easy to be damaged by high static voltage or electric fields.
In regard to this, please handle with care. To input summary items.
1 2003-04-02
1 page PIN
No.
PIN NAME
FUNCTION
19
20
UHF Oscillator
21
22
UHF oscillator pins.
They are colpitts oscillator.
23 GND2
This is the ground pin for digital
circuit.
24 IF Output
Output terminal of IF signal which
output impedance, 75 Ω
25 VCC2
This is power supply pin for digital
circuit.
26 X’tal
Crystal oscillator input.
At this block, the reference signal is
generated.
27 Charge Pump Output
Tuning voltage output terminal.
This LSI has a built-in tuning
amplifier.
28 NF
TA1303AFN
INTERFACE
―
―
5 2003-04-02
5 Page TA1303AFN
Fig.1 3-wire bus data timing chart (Falling edge timing)
Fig.2 I2C bus data timing chart (Rising edge timing)
REFERENCE DATA (VCC1 = 5 V, VCC2 = 5 V, VCC3 = 9 V, Ta = 25C°)
CHARACTERISTIC
TEST
SYMBOL CIR-
CUIT
BAND
TEST CONDITION
Lock Up Time
VHF fosc = 101 MHz→fosc = 173 MHz
Lupt 3 VHF fosc = 179 MHz→fosc = 413 MHz
UHF fosc = 419 MHz→fosc = 847 MHz
VHF
fRF = 55.25 MHz (−30 dBmW input)
(CP = [1], fref = 15.625 kHz)
Reference Leak
Suppression Level
fref S / I 3
VHF
UHF
fRF = 367.25 MHz (−30 dBmW input)
(CP = [1], fref = 15.625 kHz)
fRF = 373.25 MHz (−30 dBmW input)
(CP = [1], fref = 15.625 kHz)
UHF
fRF = 801.25 MHz (−30 dBmW input)
(CP = [1], fref = 15.625 kHz)
Local Oscillator Leak
VHF fosc = 101 MHz~fosc = 173 MHz
Level (To IF Output)
LOIF 3 VHF fosc = 179 MHz~fosc = 413 MHz
[Worst Case]
UHF fosc = 419 MHz~fosc = 847 MHz
MIN TYP. MAX UNIT
― 40 ―
― 60 ― ms
― 30 ―
― 65 ―
― 60 ―
dB
― 48 ―
― 53 ―
― −36 ―
― −36 ― dBmW
― −28 ―
11 2003-04-02
11 Page |
Páginas | Total 27 Páginas | |
PDF Descargar | [ Datasheet TA1303AFN.PDF ] |
Número de pieza | Descripción | Fabricantes |
TA1303AFN | MIXER/OSCILLATOR BUILT-IN FREQUENCY SYNTHSIZER | Toshiba Semiconductor |
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