NE592

www.onsemi.com

7

NOTE:

Basic Configuration

Disc/Tape Phase-Modulated Readback Systems

Differentiation with High

Common-Mode Noise Rejection

NOTE:

V

O ]

1.4 x 104C

dVi

dT

Z

V1

2re

+6

V0

7

5

4

1

14

11

10

-6

592

READ HEAD

DIFFERENTIATOR/AMPLIFIER

ZERO CROSSING DETECTOR

+5

94

8

529

7

5

Q

Q

6

3

2

1

10

+6

14

11

10

8

7

5

4

1

‐6

AMPLITUDE:

1‐10 mV p‐p

FREQUENCY: 1‐4 MHz

592

0.2

mF

+6

0.2

mF

2K

W

2K

W

V0

V1

C

14

1

11

4

10

5

7

8

-6

592

V

0

(s)

v

1

(s) [

1.4

@ 104

Z(S)

) 2re

[

1.4

@ 104

Z(S)

) 32

Figure 25. Typical Applications

NOTES:

In the networks above, the R value used is assumed to include 2re, or approximately 32W.

S = j

W

W = 2πf

1.4

104

L

1

s

) R L

1.4

104

R

s

s

) 1 RC

1.4

104

L

s

s2

) R Ls ) 1 LC

1.4

104

R

s2

) 1 LC

s2

) 1 LC ) s RC

Z NETWORK

FILTER

TYPE

V0 (s) TRANSFER

V1 (s) FUNCTION

LOW PASS

HIGH PASS

BAND PASS

BAND REJECT

RL

RC

RL

C

R

L

C

Figure 26. Filter Networks