STQ-3016 View Datasheet(PDF) - Stanford Microdevices
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Description
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STQ-3016 Datasheet PDF : 8 Pages
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Product Description
The Stanford Microdevices’ STQ-3016 is a direct quadra-
ture modulator targeted for use in a wide range of commu-
nications systems. This device features a wide 2500-4000
MHz operating frequency band, excellent carrier and side-
band suppression, and a low broadband noise floor.
The STQ-3016 uses silicon germanium device technology
and delivers a typical output power of -13dBm with 50dB
IM3 suppression. A shutdown feature is included that,
when enabled, attenuates the output by 60dB.
Functional Block Diagram
BBQP 1
VCC 2
VEE 3
LOP 4
LON 5
VEE 6
SD 7
BBIP 8
LO
QUADRATURE
GENERATOR
16 BBQN
15 VCC
14 VEE
13 RFP
12 RFN
11 VEE
10 VCC
9 BBIN
Advanced Data Sheet
STQ-3016
2500 - 4000 MHz
Direct Quadrature Modulator
16 pin TSSOP with Exposed Pad
Package Body: 0.20 x 0.17 x 0.04 (inches)
5.0 x 4.4 x 1.0 (mm)
Product Features
• 2500-4000 MHz operating frequency
• No external IF filter
• Very low noise floor performance
• Excellent carrier and sideband suppression
• Low LO drive requirements
• Shut-down feature
• Single 5 volt supply
• Supports wideband baseband input
Applications
• Digital communication system
• Spread spectrum communication systems
• GMSK, QPSK, QAM, SSB moduators
• Fixed wireless communication systems
Key Specifications
Parameters
Frequency Range
Test Conditions (Vs=5.0V, I=82mA, T=25ºC)
Unit
MHz
Min.
2500
Typ.
Max.
4000
Output P1dB
Carrier Feedthrough
Sideband Suppression
Broadband Noise Floor
fLO = 3500 MHz
fLO = 3500 MHz, unoptimized
fLO = 3500 MHz
fLO = 3500 MHz, baseband inputs tied to 1.9VDC,
-20 MHz offset from carrier
dBm
dBm
dB
dBm/Hz
+1
-40
33
-153
LO Drive Level
dBm
-9
-6
-3
See page 2 for general test conditions
The information provided herein is believed to be reliable at press time. Stanford Microdevices assumes no responsibility for inaccuracies or ommisions.
Stanford Microdevices assumes no responsibility for the use of this information, and all such information shall be entirely at the user’s own risk. Prices and specifications are subject to change without
notice. No patent rights or licenses to any of the circuits described herein are implied or granted to any third party. Stanford Microdevices does not authorize or warrant any Stanford Microdevices
product for use in life-support devices and/or systems.
Copyright 2000 Stanford Microdevices, Inc. All worldwide rights reserved.
522 Almanor Ave., Sunnyvale, CA 94086
Phone: (800) SMI-MMIC
http://www.stanfordmicro.com
1
05/07/01 rev 2.0
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