MAX840 Maxim, MAX840 Datasheet - Page 5

• Manufacturer Part Number: MAX840
• Description: Low-Noise / Regulated / -2V GaAsFET Bias
• Manufacturer: Maxim

NOTE: dBµV = 20 LOG ______
(Circuit of Figure 2a, V
____________________________Typical Operating Characteristics (continued)
Low-Noise, Regulated, -2V GaAsFET Bias
_______________________________________________________________________________________
V
1µV
IN
OUT
= 3.6V, T
-10
-10
40
30
20
10
50
40
30
20
10
40
30
20
10
0
0
0
0.1
0.1
0.1
A
= +25°C, unless otherwise noted.)
V
I
V
I
V
I
OUT
OUT
OUT
IN
IN
IN
= 3.6V,
= 3.6V,
= 3.6V,
= 4mA
= 4mA
= 4mA
1
1
1
(C1 = C2 = C3 = 0.22 F, C4 = 4.7 F)
MAX843/MAX844 NOISE SPECTRUM
(C1 = C2 = C3 = 1 F, C4 = 10 F)
(C1 = C2 = C3 = 1 F, C4 = 10 F)
MAX840 NOISE SPECTRUM
MAX840 NOISE SPECTRUM
FREQUENCY (kHz)
FREQUENCY (kHz)
FREQUENCY (kHz)
10
10
10
100
100
100
1000
1000
1000
5