TL026C

DIFFERENTIAL HIGH-FREQUENCY AMPLIFIER WITH AGC

SLFS007A – JUNE 1985 – REVISED JULY 1990

8

POST OFFICE BOX 655303

• DALLAS, TEXAS 75265

APPLICATION INFORMATION

–

+

R6

20 k

Ω

50

Ω

0.1

µF

VOUT –

VOUT +

0.1

µF

A1

50

Ω

10 k

Ω

R1

12 k

Ω

R2

1/2 TL082

0.1

µF

OUT –

OUT +

IN –

IN +

AGC

To Scope

Monitor

–

+

A2

10 k

Ω

R4

1/2 TL082

30 k

Ω

R5

10 k

Ω

R3

VAGC

VI

1.8 k

Ω

200

Ω

1N914

REF

OUT

TL026C

0.1

µF

TL592

2 k

Ω

2 k

Ω

510

Ω

+

–

+

–

X20

Gain

NOTE: VCC + = 6 V and VCC – = – 6 V for TL026C and amplifiers A1 and A2.

Figure 7. Typical Application Circuit With Attenuation