m52765fp Mitsumi Electronics, Corp., m52765fp Datasheet - Page 15

• Manufacturer Part Number: m52765fp
• Description: Pll-split Vif/sif
• Manufacturer: Mitsumi Electronics, Corp.

FM DET coil adjustment methods
Material
VCO coil adjustment methods
Indications
The first place of the year
1. The first thing, adjust the VCO coil.
2. Input SG13 (fo=54.25MHz, 95dBµ CW) into SIF IN.
3. Change the switch of SW13 and SW15 to 2 position.
4. Change to FM RADIO mode (V10=0V).
5. Adjust the DC voltage of AFT OUT to Vcc/2 and SIF det OUT to Low (under 1V).
1. Input SG2 (fo=58.75MHz, 90dBµ CW) into VIF IN.
2. And adjust the coil until the voltage of AFT output reaches about
Vcc/2=2.5V.
Lot number constitution
(1999)
Frame
Lead plating
Plastic molded
:
M 5 2 7 6 5 F P
:
Copper alloy
X X X X X X
Solder plating
weekly code
(12th week)
9
1 2
0
3 4
Production
factory code
Mark lot number
MITSUBISHI Model Number
MITSUBISHI ICs (TV)
PLL-SPLIT VIF/SIF IC
Running number
M52765FP