– 9 –

CXA1884N

Design Reference Values

(Ta = 25°C, Vcc = 1.4V)

Item

Mixer input resistance

Mixer input capacity

Mixer output resistance

IF input resistance

IF gain stability

Detector output resistance

OP amplifier max. input voltage

OP amplifier min. input voltage

Comparator max. input voltage

Comparator min. input voltage

OP amplifier off-set voltage

Ta = –20 to +60°C

1.3

—

1.44

1.44

—

1.28

—

0.05

—

0.05

—

1.6

4.0

1.8

1.8

±6

1.6

—

—

—

—

—

1.9

—

2.16

2.16

—

2.0

0.39

—

0.39

—

3

Symbol

Condition

Min.

Typ.

Max.

k

Ω

pF

k

Ω

k

Ω

dB

k

Ω

V

V

V

V

mV

Unit

Application Circuit

MIXER

OSC

DET

ERR

REG

LIM

15p

22p

20.945MHz

0.047µ 0.047µ

4.7k

1µ

4.7µ

(BP)

or 1µ

C1

C2

R3 R2

C3

R4

R6

C4

R5

56k

68k

0.1µ

6.8k

27k

BATT.S

DATA

AUDIO

LVA

TO RF AMP

TO 1ST MIX

TO 2nd MIX

A2

A1

2

3

4

5

6

7

8

9

10

1

11

16

17

18

19

20

12

13

14

15

CFVM455

CDB455C3

R1

Application circuits shown are typical examples illustrating the operation of the devices. Sony cannot assume responsibility for

any problems arising out of the use of these circuits or for any infringement of third party patent and other right due to same.