Harman Kardon hk3370 Service Manual page 100

hk3370/hk3470
Ordering number : EN2291B
Functions
FM : IF amplifier, quadrature detector, AF
preamplifier, signal meter, IF count
outputlifier, tuning indicator drive output
(common with stop signal, muting drive
output)
AM : RF amplifier, MIX, OSC (with ALC), IF
amplifier, detector, AGC, signal meter, tuning
indicator drive output (common with stop
signal), IF count output, local OSC buffer.
Features
• Minimum number of external parts required.
• Excellent S/N
• Local OSC with ALC
• Local OSC buffer
• Tuning indicator pin (common with narrow-band
stop signal and muting drive output)
• Variable stop sensitivity (variable separately for
FM, AM)
• Less tweet interference
• Signal meter pin
• IF count output
Specifications
Maximum Ratings
Parameter
Maximum supply voltage
Flow-in current
Flow-out current
Allowable power dissipation
Operating temperature
Storage temperature
Operating Conditions
Parameter
Recommended supply voltage
Operating voltage range
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN
at Ta=25°C
Symbol
V max Pins 7,8,20
CC
I Pin 8
8
I Pin 22
22
I Pin 24
24
Pd max Ta≤60°C
Topr
Tstg
at Ta=25°C
Symbol
V
CC
V op
CC
AM/FM Tuner System Of
Electronic Tuning Type
Package Dimensions
unit : mm
3067-DIP24S
Conditions
Conditions
100
harman/kardon
Monolithic Linear IC
LA1266
[LA1266]
SANYO : DIP24S
Ratings Unit
16 V
20 mA
1 mA
2 mA
700 mW
–20 to +70 °C
–40 to +125 °C
Ratings Unit
8.5 V
6 to 14 V