Data Sheet
August 2000
2609B Broadband Photodiode Module
Characteristics Curves
14
RECEIVER NOISE (pA/Hz
1/2
)
12
10
8
6
4
2
0
0
1
2
3
4
5
6
7
8
MATCHING GAIN (dB)
9
10
11
12
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
KEY
NF = 0 dB
X X NF = 6 dB
X
X
NF = 2 dB
NF = 8 dB
NF = 4 dB
NF = 10 dB
1-1182 (F).a
Figure 1. Receiver Noise
1.0
RELATIVE RESPONSE (dB)
SPEC LIMIT
0.5
0
– 0.5
– 1.0
– 2.0
0
200
400
600
800
1000
1-1184 (F).a
SPEC LIMIT
FREQUENCY (MHz)
Figure 2. Typical Frequency Response Measured into a 75
Ω
Load, VSWR <1.5
Agere Systems Inc.
3