![](http://datasheet.mmic.net.cn/370000/GB4550_datasheet_16691342/GB4550_5.png)
5
520 - 34 - 4
DOCUMENT
IDENTIFICATION
PRODUCT PROPOSAL
This data has been compiled for market investigation purposes
only, and does not constitute an offer for sale.
ADVANCE INFORMATION NOTE
This product is in development phase and specifications are
subject to change without notice. Gennum reserves the right to
remove the product at any time. Listing the product does not
constitute an offer for sale.
PRELIMINARY DATA SHEET
The product is in a preproduction phase and specifications are
subject to change without notice.
DATA SHEET
The product is in production. Gennum reserves the right to make
changes at any time to improve reliability, function or design, in
order to provide the best product possible.
Gennum Corporation assumes no responsibility for the use of any circuits described herein and makes no representations that they are free from patent infringement.
Copyright April 1991 Gennum Corporation. All rights reserved. Printed in Canada.
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0.5
0.4
0.3
0.2
0.1
0
-0.1
-0.2
-0.3
-0.4
-0.5
1
10
40
FREQUENCY (MHz)
G
150 pF
120 pF
82 pF
C
L
= 180 pF
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2
3
FREQUENCY (MHz)
-3
-4
-5
-6
-7
-8
-9
Fig. 5 GB4550 Phase Delay Spread
Fig. 4 GB4550 Frequency Response
4
5
6
2
6
0.5
0.3
0.1
0
-0.1
-0.3
-0.5
1
C
L
= 100 pF
C
L
= 82 pF
C
L
= 180 pF
G
1
10
40
FREQUENCY (MHz)
-3
-4
-5
-6
-7
-8
-9
-102 3 4 5 6
FREQUENCY (MHz)
Fig. 6 GB4550A Frequency Response
Fig. 7 GB4550A Phase Delay Spread
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112345
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112123
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12123
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6
C
L
= 100pF
TYPICAL PERFORMANCE CURVES
Unless otherwise shown V
S
=
±
10V
D
D
1
1
10
0.05
0.03
0.01
0
-0.01
-0.03
-0.05
3
5
10
FREQUENCY (MHz)
Fig. 8 Differential Gain and Phase
dg
dp
V
IN
= 40 IRE
d
°
)
REVISION NOTE: Detailed Description added