Philips Semiconductors Linear Products Product specification
µA733/733CDifferential video amplifier
262
April 15, 1992 853-1064 06456

DESCRIPTION

The 733 is a monolithic differential input, differential output,
wide-band video amplifier. It offers fixed gains of 10, 100, or 400
without external components, and adjustable gains from 10 to 400
by the use of an external resistor. No external frequency
compensation components are required for any gain option. Gain
stability, wide bandwidth, and low phase distortion are obtained
through use of the classic series-shunt feedback from the
emitter-follower outputs to the inputs of the second stage. The
emitter-follower outputs provide low output impedance, and enable
the device to drive capacitive loads. The 733 is intended for use as
a high-performance video and pulse amplifier in communications,
magnetic memories, display and video recorder systems.

FEATURES

120MHz bandwidth
250k input resistance
Selectable gains of 10, 100, and 400
No frequency compensation required
MIL-STD-883A, B, C available

PIN CONFIGURATION

1
2
3
4
5
6
7 8
14
13
12
11
10
9
INPUT 2
NC
V–
NC
OUTPUT 2
INPUT 1
NC
V+
NC
OUTPUT 1
TOP VIEW
N Package
G2B GAIN SELECT
G1B GAIN SELECT
G2A GAIN SELECT
G1A GAIN SELECT

APPLICATIONS

Video amplifier
Pulse amplifier in communications
Magnetic memories
Video recorder systems

ORDERING INFORMATION

DESCRIPTION TEMPERATURE ORDER CODE DWG #
14-Pin Plastic Dual In–Line Package (DIP) -55°C to +125°CµA733N 0405B
14-Pin Plastic Dual In–Line Package (DIP) 0 to +70°CµA733CN 0405B

CIRCUIT SCHEMATIC

+V
Q6
OUTPUT 1
OUTPUT 2
R1 R2 R8 R10 R9
Q5
Q4
Q3
R12
Q11
R14
Q9
G1A
INPUT 1 INPUT 2
R3 R5
Q1 Q2
-V
2.4k2.4k
G2A
GAIN
SELECT 50
590
50
R4 590
R6
Q7
R7
300
G2B
G1B
10k1.1k1.1k
R11
7k
7k
1.4k
Q8 Q10
300R12
400400