LA1177

Evaluation Circuit and Internal Equivalent Circuit Block Diagram

Typical Voltage on Each Pin

No.2257-2/8

T1 : YT30224 (Mitsumi)

L1 : HU-50448 (Mitsumi)

CF1-CF2 : SFE10.7MA (Murata)

Unit (resistance :

Ω, capacitance : F)

Pin No.

Typical voltage

Description

Remarks

1

2.7V

Mixer input

2

8.0V

Mixer output

3

8.0V

AGC input

No input

4

2.0V

IF input

5

0V

GND

6

4.9V

Oscillator base terminal

7

1.4V

Oscillation buffer output

8

4.4V

IF output

9

8.0V

Note : Extreme caution should be exercised when applying voltage across pin 9 (+)

and other pins as dielectric breakdown may occur.