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SNA-686 Datasheet Preview

SNA-686 Datasheet

DC 6 GHZ CASCADABLE GAAS HBT MMIC AMPLIFIER

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Product Description
Sirenza Microdevices’ SNA-686 is a GaAs HBT MMIC Amplifier
housed in a low-cost, surface-mountable plastic package.
The heterojunction increases breakdown voltage and
minimizes leakage current between junctions. Cancellation
of emitter junction non-linearities results in higher suppression
of intermodulation products.
The use of an external resistor allows for bias flexibility and
stability. These unconditionally stable amplifiers are designed
for use as general purpose 50 ohm gain blocks.
Also available in chip form (SNA-600), its small size (0.38mm
x 0.38mm) and gold metallization make it an ideal choice for
use in hybrid circuits.
Gain & Return Loss vs. Frequency
16
(ID=65mA, TLEAD=+25°C)
0
12 -6
8 -12
PPrreelilmimininaarryy
SNA-686
DC-6 GHz, Cascadable
GaAs HBT MMIC Amplifier
Not Recommended for New Designs
See Application Note AN-019 for Alternates
Product Features
• Patented GaAs HBT Technology
• Cascadable 50 Ohm Gain Block
• 34 dBm Output IP3 @ 850 MHz
• Operates From Single Supply
• Low Cost Surface Mount Plastic Package
4 -18
Gain
Input Return Loss
Output Return Loss
0 -24
0123 4567
Frequency (GHz)
Applications
• Cellular, PCS, CDPD, Wireless Data, SONET
Symbol
Parameter
Frequency
Units
Min.
Typ.
Max.
P1dB
Output Power at 1dB Compression
850 MHz
1950 MHz
2400 MHz
dBm
dBm
dBm
15.7
17.6
17.7
17.4
IP3 Third Order Intercept Point
850 MHz
1950 MHz
2400 MHz
dBm
dBm
dBm
29.1
34.0
32.1
30.0
S21 Small Signal Gain
850 MHz
1950 MHz
2400 MHz
dB 10.0
dB 10.1
dB
11.1
11.2
11.3
12.2
12.3
Bandwidth
VSWRIN
VSWROUT
(Determined by S11, S22 Values)
Input VSWR
Output VSWR
S12 Reverse Isolation
DC-6000 MHz
DC-6000 MHz
850 MHz
1950 MHz
2400 MHz
MHz
-
-
dB
dB
dB
6000
1.3:1
1.4:1
16.3
16.5
16.6
NF Noise Figure
1950 MHz
dB
7.3 8.8
VD Device Operating Voltage
V 5.0 5.3 5.6
ID Device Operating Current
I 58 65 72
RTH, j-l
Thermal Resistance (junction - lead)
o C/W
261
Test Conditions:
VS = 8 V
RBIAS = 43 Ohms
ID = 65 mA Typ.
TL = 25ºC
OIP3 Tone Spacing = 1 MHz, Pout per tone = 0 dBm
ZS = ZL = 50 Ohms
The information provided herein is believed to be reliable at press time. Sirenza Microdevices assumes no responsibility for inaccuracies or omissions. Sirenza 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. Sirenza Microdevices does not authorize or warrant any
Sirenza Microdevices product for use in life-support devices and/or systems. Copyright 2003 Sirenza Microdevices, Inc.. All worldwide rights reserved.
522 Almanor Ave., Sunnyvale, CA 94085
Phone: (800) SMI-MMIC
http://www.sirenza.com
1 EDS-101398 Rev C




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SNA-686 Datasheet Preview

SNA-686 Datasheet

DC 6 GHZ CASCADABLE GAAS HBT MMIC AMPLIFIER

No Preview Available !

PPrreelilmimininaarryy
SNA-686 DC-6GHz Cascadable MMIC Amplifier
Typical RF Performance at Key Operating Frequencies
Symbol
Parameter
G Small Signal Gain
OIP3 Output Third Order Intercept Point
P1dB Output Power at 1dB Compression
IRL Input Return Loss
ORL Output Return Loss
Unit
dB
dBm
dBm
dB
dB
100
11.1
29.5
16.0
Frequency (MHz)
500
850
1950
2400
11.1 11.1 11.2 11.3
35.0 34.0 32.1 30.0
17.5 17.6 17.7 17.4
25.2 22.3 19.6 18.4
15.9 15.3 17.8 19.6
3500
11.3
17.9
22.2
S12 Reverse Isolation
NF Noise Figure
Test Conditions: VS = 8v
RBIAS = 43 Ohms
dB 16.2
dB
ID = 65mA Typ.
TL = 25ºC
16.2 16.3 16.5 16.6 17.0
7.2 7.3 7.3
OIP3 Tone Spacing = 1 MHz, Pout per tone = 0 dBm
ZS = ZL = 50 Ohms
Absolute Maximum Ratings
Operation of this device beyond any one of these limits may
cause permanent damage. For reliable continous operation,
the device voltage and current must not exceed the maximum
operating values specified in the table on page one.
Bias Conditions should also satisfy the following expression:
IDVD < (TJ - TL) / RTH, j-l
Parameter
Absolute Limit
Max. Device Current (ID)
Max. Device Voltage (VD)
Max. RF Input Power
120 mA
7V
+16 dBm
Max. Junction Temp. (TJ)
Operating Temp. Range (TL)
Max. Storage Temp.
+175°C
-40°C to +85°C
+150°C
NOTE: While the SNA-686 can be operated at different bias currents, 65 mA is the recommended bias for
lower junction temperature and longer life. This reflects typical operating conditions which we have found
to be an optimal balance between high IP3 and MTTF. In general, MTTF is improved to more than 100,000
hours when biasing at 65 mA and operating up to 85°C ambient temperature.
260
250
240
230
220
210
200
190
180
170
160
0.3
Junction Temperature vs. Dissipated Power
TJmax
85°C lead temp
0.35
0.4 0.45 0.5
Dissipated Power (W)
0.55
0.6
1.E+08
1.E+07
1.E+06
1.E+05
1.E+04
1.E+03
0.3
MTTF vs. Dissipated Power
85°C lead temp
0.35
0.4 0.45 0.5
Dissipated Power (W)
0.55
0.6
522 Almanor Ave., Sunnyvale, CA 94085
Phone: (800) SMI-MMIC
2
http://www.sirenza.com
EDS-101398 Rev C


Part Number SNA-686
Description DC 6 GHZ CASCADABLE GAAS HBT MMIC AMPLIFIER
Maker ETC
Total Page 5 Pages
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