TDA9817 Description
TDA9818 AC-coupled limiter amplifier for sound intercarrier signal Alignment-free FM PLL (Phase Locked Loop) demodulator with high linearity SIF (Sound IF) input for single reference QSS (Quasi Split Sound) mode (PLL controlled); SIF AGC detector for gain controlled SIF amplifier; single reference QSS mixer able to operate in high performance single reference QSS mode and in intercarrier mode AM demodulator without...
TDA9817 Key Features
- 5 V supply voltage
- Applicable for IFs (Intermediate Frequencies) of 38.9 MHz, 45.75 MHz and 58.75 MHz
- Gain controlled wide band Video IF (VIF)-amplifier (AC-coupled)
- True synchronous demodulation with active carrier regeneration (very linear demodulation, good intermodulation figures,
- Robustness for over-modulation better than 105% due to gated phase detector at L/L accent standard and PLL-bandwidth con
- VCO (Voltage Controlled Oscillator) frequency switchable between L and L accent (alignment external) picture carrier fre
- VIF AGC (Automatic Gain Control) detector for gain control, operating as peak sync detector for B/G, peak white detector
- Tuner AGC with adjustable TakeOver Point (TOP)
- AFC (Automatic Frequency Control) detector without extra reference circuit ORDERING INFORMATION PACKAGE TYPE NUMBER NAME
- AC-coupled limiter amplifier for sound intercarrier signal