8-15

Test Circuit

Amplifier Voltage Gain

-60

-

dB

Detector Recovered Audio Output

-

0.72

-

Total Harmonic Distortion

THD

-

1.5

-

%

Input Limiting Threshold Voltage

-

250

400

AM Rejection

AMR

-40

-

dB

Amplifier Voltage Gain

-60

-

dB

Detector Recovered Audio Output

-

1.2

-

Total Harmonic Distortion

THD

-3

-

%

Electrical Specifications

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNITS

1

10

9

14

8

7

3

5

4

6

13

0.1

µF

0.1

µF

51

Ω

0.1

µF

2k

Ω

0.1

µF

0.1

µF

50

µF

NOTE

V+

AM/FM SIGNAL

GENERATOR

AC VTVM

DISTORTION

ANALYZER

2

12

NOTE: Input to the quadrature coil can be from either terminal 9 or

terminal 10. Terminal 9 is normally used because it lessens the

possibility of overloads during tuning. The use of terminal 10

increases the limiting sensitivity significantly and has been used

successfully in these tests.

COMPONENT VALUES

DETECTOR

TRANSFER

CHARACTERISTICS

ƒ

UPPER

PEAK

LOWER

PEAK

MHz

µHpF

k

Ω

-pF

µF

MHz

MHz

4.5

14

120

20

30

3

0.003

4.58

4.42

5.5

8

100

20

30

3

0.003

5.63

5.37

10.7

2

120

3.9

20

4.7

0.01

10.9

10.5

CA2111A