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(see Figure 1) Pin 1 2 3, 4 5 6, 7, 8 9 10 11 12 13 14 15 16 Symbol VTUN CP HF1, HF2 Gnd B2, B1, B0 B4 ADC VCC ADD SDA SCL Xtal Amp In Description Operational amplifier output which provides the tuning voltage DC–DC Converter output (Charge Pump) Symmetrical HF inputs Ground PNP Band Buffer outputs NPN Band Buffer output Three bit ADC for Automatic Frequency.
CC2 for the MC44818 is Now Called CP (Charge Pump). This Pin is the Output of the DC/DC Converter; a 1.0 nF Capacitor Replaces the Need for an External 30 V Supply High Speed I2C Bus (up to 800 kHz) I2C Bus Read Mode for Lock Detector and AFC Level HF Input is Balanced MC44871 has Three PNP High Current (30 mA) Band Buffers (B0, B1, B2) and One NPN Low Current (5.0 mA) Band Buffer (B4) VCC Internally Supplies PNP Band Buffers The Tuning Voltage is Generated Through an External Pull
–Up Resistor (750 kΩ) Less Phase Comparator Output Current Single 5.0 V Supply Operation
VTUN
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DTB SUFFIX P.
| No. | Partie # | Fabricant | Description | Fiche Technique |
|---|---|---|---|---|
| 1 | MC44802A |
Motorola |
PLL Tuning Circuit with 1.3 GHz Prescaler |
|
| 2 | MC44810 |
Motorola |
PLL Tuning Circuit |
|
| 3 | MC44817 |
Motorola |
TV AND VCR PLL TUNING CIRCUITS WITH 1.3 GHz PRESCALER AND 3-WIRE BUS |
|
| 4 | MC44817B |
Motorola |
TV AND VCR PLL TUNING CIRCUITS WITH 1.3 GHz PRESCALER AND 3-WIRE BUS |
|
| 5 | MC44818 |
Motorola |
TV AND VCR PLL TUNING CIRCUIT WITH 1.3 GHz PRESCALER AND I2C BUS |
|
| 6 | MC4482 |
Freescale |
N-Channel MOSFET |
|
| 7 | MC44824 |
Motorola |
TV AND VCR PLL TUNING CIRCUITS |
|
| 8 | MC44825 |
Motorola |
TV AND VCR PLL TUNING CIRCUITS |
|
| 9 | MC44826 |
Motorola |
TV AND VCR I2C PLL TUNING CIRCUIT WITH 1.3 GHz PRESCALER AND MIX/OSC DECODER |
|
| 10 | MC44827 |
Motorola |
LOW-POWER PLL TUNING CIRCUIT |
|
| 11 | MC44829 |
Motorola |
TV AND VCR I2C PLL TUNING CIRCUIT WITH 1.3 GHz PRESCALER AND MIX/OSC DECODER |
|
| 12 | MC44864 |
Motorola |
PLL TUNING CIRCUIT WITH 1.3 GHz PRESCALER AND D/A CONVERTERS |
|