ne5539d NXP Semiconductors, ne5539d Datasheet - Page 8

• Manufacturer Part Number: ne5539d
• Description: High Frequency Operational Amplifier
• Manufacturer: NXP Semiconductors

Philips Semiconductors
CIRCUIT LAYOUT CONSIDERATIONS
As may be expected for an ultra-high frequency, wide-gain
bandwidth amplifier, the physical circuit is extremely critical.
2002 Jan 25
High frequency operational amplifier
Top Plane Copper
(Component Side)
R
R
R
R
1
2
3
4
= 75
= 75
= 75
= 36K 5% CARBON
+V
5% CARBON
5% CARBON
5% CARBON
1
R
OPTIONAL
5
OFFSET
ADJ.
Figure 6. 28dB Non-Inverting Amp Sample PC Layout
V
IN
R
75
R
–V
1
4
R
75
2
RFC
—V
(Component Layout)
–14
+1
Component Side
NE5539
R
R
R
X
X
V
5
F
6
IN
R
= 20k TRIMPOT (CERMET)
= 470
= 1.5k (28dB GAIN)
(1)
2
X
X
X
X
RFC
7
RFC
—V
R
R
+V
R
5
10
8
F
3
6
5% CARBON
8
R
An example utilizing a 28 dB non-inverting amp is shown in Figure 6.
4
Bread-boarding is not recommended. A double-sided copper-clad
printed circuit board will result in more favorable system operation.
X
X
X X
R
1nF
X
C
1nF
1nF
470
1nF
5
C
R
1
R
6
R
F
+V
X
RFC
R
3
75
RFC 3T # 26 BUSS WIRE ON
FERROXCUBE VK 200 09/3B CORE
BYPASS CAPACITORS
1nF CERAMIC
(MEPCO OR EQUIV.)
V
OUT
Bottom Plane
TERM
75
Copper
NE/SE5539
1
Product data
SL00575