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VG111 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - PCS/UMTS-band Variable Gain Amplifier - WJ Communication

भाग संख्या VG111
समारोह PCS/UMTS-band Variable Gain Amplifier
मैन्युफैक्चरर्स WJ Communication 
लोगो WJ Communication लोगो 
पूर्व दर्शन
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VG111 pdf
VG111
PCS/UMTS-band Variable Gain Amplifier
The Communications Edge TM
Product Information
Application Circuit: 1.8 – 2.0 GHz (VG111-PCB1900)
Pins 7, 19, and 21 should not be connected.
The amplifier is biased through Pin 25 and should be connected directly into a voltage regulator.
DNP represents Do Not Place.
Distances are shown from the edge-to-edge for the land pattern.
Circuit Board Material: .014” FR-4, 4 layers, .062” total thickness
Ref. Des.
C1, C7
C2, C5
C3, C4
C6
L1, L2
R1
R2
Q1
U1
Bill of Materials
Description
47 pF Chip Capacitor
Do Not Place
0.01 μF Chip Capacitor
0.5 pF Chip Capacitor
22 nH Chip Inductor
100 Ω Chip Resistor
2.2 Ω Chip Resistor
MMBT2222 Motorola Transistor
VG111 Variable Gain Amplifier
Size
0603
0603
0603
0603
0603
0603
SOT-23
QFN 6x6
OIP3 vs. Output Power
frequency = 1900, 1901 MHz, 0dB Atten.
45
OIP3 vs. Attenuation Setting
frequency = 1900, 1901 MHz, +10 dBm/tone, +25° C
45
ACPR vs. Channel Power
-40
1960 MHz, IS-95, 9 Ch. Forward, ±885 kHz offset, 30 kHz Meas BW, 25°C
40 40 -50
35 35
0dB Attn
-60 2.5dB Attn
30 30
5dB Attn
+25C -40C +85C
25 25
10dB Attn
-70
-4 0 4 8 12 16 0 2 4 6 8 10 10 11 12 13 14 15 16
Output Power (dBm)
Attenuation (dB)
Output Channel Power (dBm)
20
15
10
5
0
-5
-10
-15
-20
0
Gain vs. Pin 5 Attn. Control Current
+25°C -40°C +85°C
5 10 15 20 25
Pin 5 Attenuation Control Current (mA)
Normalized Gain vs. Pin 5 Control Current
35
30 +25°C -40°C +85°C
25
20
15
10
5
0
0.1 1.0 10.0 100.0
Pin 5 Attenuation Control Current (mA)
Specifications and information are subject to change without notice
WJ Communications, Inc Phone 1-800-WJ1-4401 FAX: 408-577-6621 e-mail: sales@wj.com Web site: www.wj.com
Page 2 of 7 February 2006

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