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參數資料
| 型號： | AS12322-86 |
| 廠商： | SKYWORKS SOLUTIONS INC |
| 元件分類： | 衰減器 |
| 英文描述： | 500 MHz - 2500 MHz RF/MICROWAVE VARIABLE ATTENUATOR, 3.4 dB INSERTION LOSS-MAX |
| 封裝： | PLASTIC, MINIATURE, MSOP-10 |
| 文件頁數： | 1/3頁 |
| 文件大小： | 119K |
| 代理商： | AS12322-86 |
Parameter
Condition
Frequency
Min.
Typ.
Max.
Unit
Switching characteristics4
Rise, fall (10/90% or 90/10% RF)
150
ns
On, off (50% CTL to 90/10% RF)
300
ns
Video feedthru
70
mV
Input power for 1 dB compression
VS = +3 V
0.9–2.5 GHz
+21
dBm
VS = +5 V
0.9–2.5 GHz
+27
dBm
Intermodulation intercept point (IP3)
For two-tone input power +5 dBm
VS = +3 V
0.9–2.5 GHz
+41
dBm
VS = +5 V
0.9–2.5 GHz
+45
dBm
Control voltages
VLOW = 0 to 0.2 V @ 20 A max.
VHIGH = +3 V @ 100 A max. to +5 V @ 200 A max.
VS = VHIGH ± 0.2 V
Skyworks Solutions, Inc. Phone [781] 376-3000 Fax [781] 376-3100 sales@skyworksinc.com www.skyworksinc.com
Skyworks Proprietary and Confidential information. Products and product information are subject to change without notice. Nov. 25, 2003
1
AS12322-86: GaAs IC 5 Bit Digital Attenuator
0.5 dB LSB Positive Control 0.5–2.5 GHz
PRELIMINARY DATA SHEET
Features
●
Attenuation 0.5 dB steps to 15.5 dB with high accuracy
●
Single positive control (+3 to +5 V) for each bit
●
Low DC power consumption
●
Miniature low cost MSOP-10 plastic package
MSOP-10
Pin 10
Pin 1
Indicator
0.034
(0.86 mm)
± 0.004
(0.10 mm)
0.118 (3.00 mm)
± 0.006 (0.15 mm)
0.193
(4.90 mm)
± 0.006
(0.15 mm)
0–6
8–16
0.118 (3.00 mm)
± 0.006 (0.15 mm)
0.022 (0.55 mm)
± 0.006 (0.15 mm)
0.006 (0.15 mm) Max.
0.002 (0.05 mm) Min.
0.0197
(0.500 mm)
BSC
0.009 (0.23 mm)
Ref.
0.043
(1.09 mm)
Max.
Description
The SKY12322-86 is a 5 bit, single positive control GaAs IC FET
digital attenuator in a low cost MSOP-10 package. This attenuator
has an LSB of 0.5 dB and a total attenuation of 15.5 dB. The atten-
uator requires external DC blocking capacitors, positive supply
voltage (VS) and five individual bit control voltages (V1–V5). The
SKY12322-86 is particularly suited where high attenuation accu-
racy, low insertion loss and low intermodulation products are
required. Typical applications include cellular radio, wireless data,
and wireless local loop gain level control circuits.
Parameter1
Frequency
Min.
Typ.
Max.
Unit
Insertion loss2
0.5–1.0 GHz
2.0
2.4
dB
1.0–2.5 GHz
3.0
3.4
dB
Attenuation range
15.5
dB
Attenuation accuracy3
0.5–1.0 GHz
± (0.2 + 3% of
dB
Attenuation setting in dB)
1.0–2.5 GHz
± (0.3 + 5% of
dB
Attenuation setting in dB)
VSWR (I/O)
0.5–2.5 GHz
1.5:1
2.0:1
Electrical Specifications at 25°C (0, +3 V), (0, +5 V)
Operating Characteristics at 25°C (0, +5 V)
1. All measurements made in a 50
system, unless otherwise specified.
2. Insertion loss changes by 0.003 dB/°C.
3. Attenuation referenced to insertion loss.
4. Video feedthru measured with 1 ns risetime pulse and 500 MHz bandwidth.
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