MITSUBISHI ICs (TV)

M52342FP

PLL-SPLIT VIF/SIF IC

9

Pin 4, Pin 5 (VIF INPUT)

Pin 6, Pin 7, Pin 8 (GND)

Pin 9 (QIF INPUT, INTER SW)

Pin 10 (IF AGC FILTER)

It should be designed considering careful impedance matching with the

SAW filter.

SAW

Bias

1.2k

Ω

terminal voltage : 1.45V

1.2k

Ω

5

4

7

They are all ground pins.

8

6

Bias

1.5k

Ω

1.5k

Ω

5k

Ω

SAW

Inter

Inter/Split

terminal voltage : 2.4V

The input impedance is 1.5k

Ω.

In the intercarrier system application, the intercarrier output is available

in pin 15 by connecting pin 9 to ground.

9

1k

Ω

0

[IF input]

weak

electric field

strong

electric field

In spite of the 1-pin filter configuration, 2-pin filter

characteristics are available by utilizing the dynamic AGC circuit.

10