AA101-80 View Datasheet(PDF) - Alpha Industries
Part Name
Description
Manufacturer
AA101-80 Datasheet PDF : 5 Pages
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GaAs IC 5 Bit Digital Attenuator 1 dB LSB Positive Control 0.5–2.5 GHz
AA101-80
60
58
56
+85˚C
54
52
-40˚C
50
48
46
+25˚C
44
42
40
0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30
Attenuation (dB)
IP3 vs. Attenuation and
Temperature
Truth Table
V1
V2
16 dB 8 dB
V3
4 dB
V4
2 dB
VHigh
VHigh
VHigh
VHigh
VHigh
0
0
VHigh
VHigh
VHigh
VHigh
0
VHigh
0
VHigh
VHigh
VHigh
0
VHigh
VHigh
0
VHigh
VHigh
0
VHigh
VHigh
VHigh
0
VHigh = +3 to +5 V (VS = VHigh ± 0.2 V).
V5
1 dB
VHigh
0
VHigh
VHigh
VHigh
VHigh
0
Attenuation
J1–J2
Reference I.L.
1 dB
2 dB
4 dB
8 dB
16 dB
31 dB Max. Atten.
Absolute Maximum Ratings
Characteristic
Value
RF Input Power
2 W > 500 MHz 0/8 V
0.75 W @ 50 MHz 0/8 V
Supply Voltage
+8 V
Control Voltage
-0.2 V, +8 V
Operating Temperature
-40°C to +85°C
Storage Temperature
-65°C to +150°C
Note: Exceeding these parameters may cause irreversible damage.
Compression Point vs. Attenuation,
Voltage, and Temperature
Attenuation Control Input Power @ 1 dB Compression
State Voltage (V) +25°C (dBm) +85°C (dBm) -40°C (dBm)
Ins. Loss
3
23.1
23.3
24.3
1
3
23.5
23.3
24.2
2
3
22.7
22.7
23.7
4
3
33.8
33.2
33.8
8
3
31.7
31.7
22.7
16
3
20.2
20.5
21.4
31
3
21.9
20.6
23.6
Pin Out
J1
CBL
GND
GND
V1
V2
V3
V4
V5
GND
16 dB
8 dB
4 dB
2 dB
1 dB
GND
GND
GND
GND
GND
GND
CBL J2
VS
10 kΩ
DC blocking capacitors (CBL) and biasing resistor must be supplied externally
for positive voltage operation.
CBL = 47 pF for operation >500 MHz.
Alpha Industries, Inc. [781] 935-5150 • Fax [617] 824-4579 • Email sales@alphaind.com • www.alphaind.com
5
Specifications subject to change without notice. 10/00A
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