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參數(shù)資料
| 型號： | DD01-92 |
| 廠商： | Alpha Industries, Inc. |
| 英文描述： | Directional Detector |
| 中文描述： | 定向儀 |
| 文件頁數(shù)： | 1/3頁 |
| 文件大?。?/td> | 46K |
| 代理商： | DD01-92 |
Alpha Industries, Inc.
[781] 935-5150
Fax
[617] 824-4579
Email
sales@alphaind.com
www.alphaind.com
Specifications subject to change without notice. 1/01A
1
Directional Detector
Features
I
Frequency Coverage: 650 MHz to 2.5 GHz
I
Small Outline SC-88 (6 Lead SC-70)
Package
I
Built-in Temperature Compensating Diode
I
Low Cost for High Volume Handset
Applications
I
Tape and Reel Availability
DD01-92
Description
The DD01-92 directional detector is an integrated
directional coupler, Schottky diode combination designed
for handset power monitor applications specified from
800 MHz to 2 GHz. It is packaged in the small footprint,
SC-88 (6 lead SC-70) package. The DD01-92
incorporates a directional coupler and two GaAs Schottky
diodes on a monolithic GaAs chip. By applying forward
DC bias to both Schottky diodes, the DD01-92
may be conveniently temperature compensated. The
DD01-92 is characterized from 650 MHz to 2.5 GHz and
generates a detected signal at 1.8 GHz of approximately
200 mV at 10 mW input power. Each Schottky diode is
forward biased to approximately 5
μ
A by applying 1 V
through 100 k
resistors as shown in the test circuit.
1
2
3
6
5
4
RF Out
DC Bias/AC GND
Temp Comp Out
D
RF In
DC Bias/AC GND
Detected Out
Pin Out
Parameter
Frequency
0.8–1.2 GHz
1.8–2.0 GHz
870–920 MHz
1.7–1.8 GHz
0.8–1.2 GHz
1.2–2.0 GHz
0.8–1.2 GHz
1.2–2.0 GHz
0.8–2.0 GHz
RF Power Off
RF Power Off
RF Power Off
RF Power Off
Min.
80
150
Typ.
120
200
0.25
0.50
Max.
Unit
mV
mV
dB
dB
dB
dB
dB
dB
dB
μ
V
mV
mV
Detected Voltage
Insertion Loss
0.30
0.55
20
15
20
15
Input Return Loss
Output Return Loss
Directivity
Schottky Noise Voltage (1 MHz Bandwidth)
Schottky Diode DC Voltage
DC Offset Voltage
Video Resistance
10
200
480
10
7,500
Electrical Specifications at 25°C
Conditions: 10 dBm input power, 1 V applied to test circuit.
Detected voltage is differential voltage, V
–V
, on test circuit.
Insertion loss at 870–920 MHz shall be less than 0.4 dB at 85°C.
Insertion loss at 1.7–1.8 GHz shall be less than 0.6 dB at 85°C.
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