ITT IDEAL COLOR 3426
CHASSIS COMPACT B 110° S4-SQ / IFB-491
- Tuner detailed View.
Tuner HF-MOD.OS.IC.FS.5,5MHZ
RF-IF Module OS 5829 01 11
OSC + Mixer with TDA5030p (Philips)
VIF Video IF with TDA4427A (Telefunken)
SIF Sound IF With U829B (Telefunken)
Prescaler U664B (Telefunken)
TDA 4427 VIDEO IF CIRCUIT
Technology: Bipolar
Features:
o Very high input sensitivity
0 Very low intermodulation
products
0 Minimum differential error
o Constant input impedance
independent of AGC
o Fixed video output, voltage
with small tolerance range
o Negative video signal hardly
affected by supply voltage
variations
o Very few external components
TDA 4427 A: For ceramic sound traps
Extreme fast AGC action - gating
largely independent of pulse shape
and amplitude
Positive as well as neg. video signal
available from low-impedance outputs
Positive or negative going gating pulse
Large AFC output current swing
(push-pull output)
Switchable AFC
Connecting and basic circuitry compa-
tible to the TELEFUNKEN electronic
video IF type programme - permits
building block system for video IF
module
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