AT-118 Datasheet, PDF (2/3 Pages) Tyco Electronics – Voltage Variable Absorptive Attenuator

Voltage Variable Absorptive Attenuator
Absolute Maximum Ratings¹
Parameter
Absolute Maximum
Maximum Input Power
+21 dBm
Supply Voltage V_CC
-1V, +8V
Control Voltage V_C
-1V, V_CC +0.5V
Operating Temperature
-40°C to +85°C
Storage Temperature
-65°C to +150°C
1. Exceeding any one or a combination of these limits may cause
permanent damage.
Functional Schematic^{1, 2, 3}
AT-118
GND 1
RF
2
Vcc 3
GND 4
8 ^GND
7
RF
6 Vc
5 GND
1. V_CC = +3 V_DC @ 20 µA max.
2. V_C = 0 V_DC to +3 V_DC @ 75 µA max.
3. External DC blocking capacitors are required on all RF ports.
4. 39 pF used for data measurements.
Typical Performance Curves
Insertion Loss vs. Fre^Qquency
0
-0.2
-0.4
-0.6
-0.8
-1
-1.2
-1.4
-1.6
-1.8
-2
0.5
1
1.5
2
2.5
3
FREQUENCY (GHz)
Attenuation vs. Frequency @ Vc = 0V
0
-2
-4
-6
-8
-10
-12
-14
-16
-18
0.5
1
1.5
2
2.5
3
FREQUENCY (GHz)
Specifications subject to change without notice.
North America: Tel. [phone], Fax [phone]
Asia/Pacific: Tel.[phone], Fax [phone]
Europe: Tel. [phone], Fax[phone]
Visit www.macom.com for additional data sheets and product information.
0 ^{Attenuation vs. Control Voltage}
-2
-4
-6
900 MHz
-8
-10
-12
2.4 GHz
-14
1.8 GHz
-16
-18
3
2.5
2
1.5
1
0.5
0
CONT^AR^TO^TL^EV^NO^UL^AT^TA^IOG^NE ⁽(^dV^Bo⁾lts)
Typical Device Variation
0
-2
F = 900 MHz
-4
-6
-8
-10
-12
-14
-16
-18
3
2.5
2
1.5
1
0.5
0
CON^CT^ORO^NL^TRV^OO^LLT^VA^OG^LE^TA(V^Go^Elts)
V 4.0
2