ARA05050S12-1 Datasheet, PDF (11/12 Pages) ANADIGICS, Inc – CATV Reverse Amplifier w/step Attenuator

ARA05050S12
Advanced Product Information - Rev. 6
+5V
+5V
.1uF
Input
(from rev. amp)
Switch
Control
3.3KΩ
.1uF
10KΩ
Q1
.1uF
27Ω
.1uF
Output
75Ω
(to diplexer)
10KΩ
3.3KΩ
Q2
10KΩ
+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
2^nd Harmonic
@ +58 dBmV > 70dBc
Figure 12. Output Disconnect Switch
+3.3V
V_CONT (0/3.3)
5KΩ
Q1
Pin 10/24
1st or 2nd stage of
Reverse Amplifier
Output
500Ω
Q2
5KΩ
A
3KΩ
-5V
2.5KΩ
Set IQ2 for ~ -2V at gate of
second stage of rev amp
Figure 13
Q1: 2N3906
Q2: 2N3904
11