TS636

6/9

GAIN CONTROL

The gain and the power down mode is programmed with a 4 bit digital word :

The gain is the same for both channels.

Digital

Control

GC4....GC1

MSB

LSB

Total Gain

(dB)

First Stage

Gain

(dB)

Second Stage

Gain

(dB)

Maximum

Input Level

Bandwidth

Small Signal

Eq. Input

Noise

(nV/

√Hz)

$0000

-9

0

-9

2.8Vrms

110MHZ

29

$0001

-6

0

-6

2.8Vrms

100MHz

26

$0010

-3

0

-3

2.8Vrms

85MHz

23

$0011

0

0

0

2.8Vrms

69MHz

22

$0100

3

3

0

2Vrms

63MHz

16

$0101

6

6

0

1.4Vrms

58MHz

12

$0110

9

9

0

1Vrms

56MHz

9

$0111

12

12

0

0.7Vrms

55MHz

7

$1000

15

15

0

0.5Vrms

54MHz

6

$1001

18

18

0

0.35Vrms

52MHz

4.8

$1010

21

21

3

0.25Vrms

42MHz

4.7

$1011

24

24

6

175mVrms

30MHz

4.7

$1100

27

27

9

125mVrms

24MHz

4.6

$1101

30

30

12

88mVrms

18MHz

4.6

$1110

30

30

12

88mVrms

18MHz

4.6

$1111

30

30

12

88mVrms

18MHz

4.6