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ARA05050S12 Datasheet, PDF (11/12 Pages) ANADIGICS, Inc – CATV Reverse Amplifier w/step Attenuator | |||
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ARA05050S12
Advanced Product Information - Rev. 6
+5V
+5V
.1uF
Input
(from rev. amp)
Switch
Control
3.3Kâ¦
10Kâ¦
.1uF
.1uF
Q1
27â¦
10Kâ¦
3.3Kâ¦
.1uF
Output
(to diplexer)
75â¦
Q2
10Kâ¦
+5V
.1uF
.1uF
Q1/Q2 are
AF002C4 (Alpha)
Insertion Loss
@ 45 MHz: 0.1dB
Isolation
@ 45 MHz: 38dB
Logic output levels
of 0 to +5V
2nd Harmonic
@ +58 dBmV > 70dBc
Figure 12. Output Disconnect Switch
+3.3V
VCONT (0/3.3)
5Kâ¦
Q1
Pin 10/24
1st or 2nd stage of
Reverse Amplifier
Output
500â¦
Q2
5Kâ¦
A
3Kâ¦
-5V
2.5Kâ¦
Set IQ2 for ~ -2V at gate of
second stage of rev amp
Figure 13
Q1: 2N3906
Q2: 2N3904
11
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