ARA2004_11 Datasheet, PDF (6/21 Pages) ANADIGICS, Inc – Address-Programmable Reverse Amplifier with Step Attenuator

ARA2004
Table 5b: AC Electrical Specifications (Continued)
TA = 25 8C; VDD, VATTN, VCMOS = +5.0 VDC; Vg1, Vg2 = +1.0 V (Tx enabled); Vg1, Vg2 = 0 V (Tx disabled)
pARAMeteR
Min tYp MAX unit coMMents
Output Noise Power
Active / No Signal / Min. Atten. Set. -
Active / No Signal / Max. Atten. Set. -
-
-
-38.5
-53.8
dBmV
Any 160 kHz bandwidth from 5 to
42 MHz
Isolation (45 MHz) in Tx disable mode - 65
-
dB
Difference in output signal between
Tx enable and Tx disable
Differential Input Impedance
- 300 - Ohms between pins 5 and 8 (Tx enabled)
Input Impedance
- 75
-
Ohms with transformer (Tx enabled)
Input Return Loss
(75 Ohm characteristic impedance)
- -20 -12
- -5
-
dB
Tx enabled
Tx disabled
Differential Output Impedance
- 300 - Ohms between pins 21 and 24
Output Impedance
- 75
-
Ohms with transformer
Output Return Loss
- -17 -12
(75 Ohm characteristic impedance) - -15 -10
dB
Tx enabled
Tx disabled
Output Voltage Transient
-
Tx enable / Tx disable
-
Note: As measured in ANADIGICS test fixture.
-
4
100
7
mVp-P
0 dB attenuator setting
24 dB attenuator setting
6
Data Sheet- Rev 2.2
04/2011