A70-3_1 Datasheet, PDF (1/2 Pages) Tyco Electronics – Cascadable Amplifier 20 to 250 MHz

Cascadable Amplifier
20 to 250 MHz
A70-3/ SMA70-3
V3
Features
• HIGH OUTPUT POWER: +21 dBm (TYP.)
• LOW NOISE: 2.8 dB (TYP.)
• HIGH THIRD ORDER I.P.: +40 dBm
• LOW DC CURRENT: 37 mA (TYP.) AT +15 Vdc
Description
The A70-3 RF amplifier is a discrete hybrid design, which uses
thin film manufacturing processes for accurate performance and
high reliability.
This single stage bipolar transistor feedback amplifier design
displays impressive performance over a broadband frequency
range. Use of an impedance transformer offers the benefit of
high dynamic range and high efficiency.
Both TO-8 and Surface Mount packages are hermetically
sealed, and MIL-STD-883 environmental screening is available
Ordering Information
Product Image
Part Number
A70-3
SMA70-3
CA70-3
Package
TO-8
Surface Mount
SMA Connectorized
Electrical Specifications: Z₀ = 50Ω, V_CC = +15 V_DC
Absolute Maximum Ratings
Parameter
Frequency
Small Signal Gain (min)
Gain Flatness (max)
Reverse Isolation
Noise Figure (max)
Power Output
@ 1 dB comp. (min)
IP3
Units
MHz
dB
dB
dB
dB
dBm
dBm
Typical
25ºC
15-300
8.0
±0.3
11
2.8
21.0
+40
Guaranteed
0º to 50ºC -54º to +85ºC*
20-250
20-250
7.0
6.5
±0.5
±1.0
3.2
3.7
20.5
20.0
Parameter
Absolute
Maximum
Storage Temperature -62ºC to +125ºC
Case Temperature
+125ºC
DC Voltage
+17 V
Continuous Input Power
15 dBm
Short Term Input power
(1 minute max.)
100 mW
Peak Power (3 µsec max.)
0.5 W
“S” Series Burn-In
Temperature (case)
+125ºC
Thermal Data: V_CC = +15 V_DC
IP2
dBm
+45
Parameter
Rating
Second Order Harmonic IP dBm
+51
VSWR Input / Output (max)
1.9:1 / 1.9:1 2.1:1 / 2.1:1
DC Current @ 15 Volts (max) mA
37
40
2.3:1 / 2.3:1
42
Thermal Resistance θ_jc
Transistor Power Dissipation P_d
Junction Temperature Rise
Above Case T_jc
130ºC/W
0.336 W
44ºC
* Over temperature performance limits for part number CA70-3, guaranteed from 0^oC to +50^oC only.
1
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