Rainbow Electronics ATR0610 User Manual
Features
• Low Noise Figure
• High Small Signal Gain
• Single +2.7 V Operation
• Power-up Control
• 50 Ω Output
• Unconditionally Stable
Benefits
• Low Power Consumption < 10 mW
• Very Small, PLLP6 Package (1.6 mm × 2.0 mm)
• Few External Components
Electrostatic sensiti ve device.
Observe precautions for handling.
Description
The ATR0610 is a 2.7-V GPS low-noise am pli fie r IC des ig ned for use in GP S a ppl ic ations. It uses a SiGe HBT die. The IC is 50-W matched on the output allowing the
device to be used with minimal external circuitr y. Its RF performance meets the
requirements for products designed to the GPS standard.
The ATR0610 gives excellent RF performance with low cu rrent c onsum ption re sultin g
in longer battery life times. The package has a small 1.6 mm ´ 2.0 mm footpr int t o
allow use in compact GPS receiver design.
2.7-V GPS
Low-noise
Amplifier
ATR0610
Preliminary
Figure 1. Block Diagram
Cblock = 1 nF
RF-Input RF-Output
Cshunt = 1.5 pF
P
U
Lseries = 3.9 nH
PU Mode PD Mode
ATR0610
GND VCC
Rev. 4573C–GPS–02/03
1
Pin Description
Pin Symbol Function
1 VCC Supply voltage
2 RF_OUT Signal output
3 DC_GND Ground
4 RF_IN Input for received signal
5 RF_GND Ground for RF stage
6 PU Power up
Absolute Maximum Ratings
Parameters Symbol Value Unit
Supply voltage V
Power-up Voltage V
Input power P
Operating temperature T
Storage temperature T
CC
PU
in
op
stg
-0.3 to +3.7 V
-0.3 to +3.7 V
-5 dBm
-40 to +85 °C
-55 to +125 °C
Thermal Resistance
Parameters Symbol Value Unit
Thermal resistance R
th
TBD K/W
Electrical Characteristics
VCC = 2.7 V, VPU = 1.8 V, f = 1575 MHz, T
Minimum/maximum limits are at +25°C ambient temperature, unless otherwise specified.
No. Parameter s Test Conditi ons Pin Symbol Min. Typ. Max. Unit Type*
1 Operating frequency RF_IN f 1575.42 MHz D
2 Supply voltage VCC V
3 Operating current RF ON (V
4 Power-down current RF OFF(V
5 Small signal gain G 15 16 17 dB A
6 Minimum noise figure NF
Noise figure Using the prop osed input
7
Input referred 1dB
8
compression point
rd
Input 3
9
intercept point
Input 3
10
cept point (inband)
-order
rd
-order inter-
11 Input return loss RL
12 Output return loss RL
*) Type means: A = 100% tested, B = 100% correlation tested, C = Characterized on samples, D = Design parameter
matching (see Figure 1)
Caused by a DCS
blocker at 1710 MHz
f1 = 1750 MHz
f2 = 1925 MHz
f1 = 1575 MHz
f2 = 1577 MHz
= 25°C, Z
amb
= 1.8 V) VCC I 3 3.3 3.5 mA A
PU
= 0 V) VCC I
PU
= 50 W (see Figure 1)
load
CC
PD
min
2.733.3VC
500 nA A
1.5 dB C
NF 1.6 dB C
Icp1 -9 dBm A
IIP3 -1 dBm C
IIP3
out
inb
in
10 11 dB C
11 12 dB C
-3 dBm C
2
ATR0610
4573C–GPS–02/03
Electrical Characteristics (Continued)
ATR0610
VCC = 2.7 V, VPU = 1.8 V, f = 1575 MHz, T
= 25°C, Z
amb
= 50 W (see Figure 1)
load
Minimum/maximum limits are at +25°C ambient temperature, unless otherwise specified.
No. Parameter s Test Conditi ons Pin Symbol Min. Typ. Max. Unit Type*
PU,high
PU,high
PU,low
PU,low
2
30 dB C
1.2 1.8 3.3 V C
01050µAC
00.20.4VC
0.7 µA C
13 Reverse isolation 1/|S12|
14 Control voltage Power-up mode PU V
15 Control current Power-up mode PU I
16 Control voltage Power-down mode PU V
17 Control current Power-down mode PU I
*) Type means: A = 100% tested, B = 100% correlation tested, C = Characterized on samples, D = Design parameter
4573C–GPS–02/03
3
Measurement Results
Matched Device
(see Figure 1)
Figure 2. Gain and Maximum Available Gain
30.0
20.0
10.0
0.0
-10.0
-20.0
-30.0
Gain (dB)
-40.0
-50.0
-60.0
0 500 1000 1500 2000 2500 3000
Gmax
f (MHz)
Figure 3. Input and Output Return Loss
0.0
-5.0
-10.0
Gain
RLout
-15.0
RLin, RLout (dB)
-20.0
-25.0
0 500 1000 1500 2000 2500 3000
Figure 4. Reverse Transfer Function
0
-10
-20
-30
-40
-50
(dB)
-60
S12
-70
-80
-90
-100
0 500 1000 1500 2000 2500 3000
RLin
f (MHz)
f (MHz)
4
ATR0610
4573C–GPS–02/03
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