Rainbow Electronics ATR0610 User Manual

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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

Lseries = 3.9 nH

PU Mode PD Mode

ATR0610

GND VCC

Rev. 4573C–GPS–02/03

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

-5 dBm

-40 to +85 °C

-55 to +125 °C

Thermal Resistance

Parameters Symbol Value Unit

Thermal resistance R

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

Input referred 1dB

compression point

Input 3

intercept point Input 3

cept point (inband)

-order

-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

= 0 V) VCC I

= 50 W (see Figure 1)

load

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

10 11 dB C 11 12 dB C

-3 dBm C

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,low

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

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

-10

-20

-30

-40

-50

(dB)

-60

S12

-70

-80

-90

-100 0 500 1000 1500 2000 2500 3000

RLin

f (MHz)

ATR0610

4573C–GPS–02/03

Figure 5. K Factor ( => Unconditional Stability)

10.0

9.0

8.0

7.0

6.0

5.0

4.0

K Factor

3.0

2.0

1.0

0.0 0 500 1000 1500 2000 2500 3000

Table 1. Measured Scattering Parameters of Matched Device

(Given as Linear Magnitude and Phase in Degree)

ATR0610

f ( MHz)

f /MHz

ϕ(S

)

ϕ(S

)

ϕ(S

)

ϕ(S

)

K Factor

60 0.897 -9.9 0.06 -96.1702 0.0006 19.5 0.998 -6.6 13.5 120 0.891 -25.6 0.17 -98.98544 0.0008 84.2 0.996 -17.4 5.5 180 0.886 -37.4 0.26 -113.4846 0.0002 173.8 0.991 -26.1 43.3 240 0.891 -49.4 0.34 -128.3148 0.0008 -86.0 0.987 -34.4 10.1 300 0.894 -61.9 0.32 -145.6032 0.0021 -137.8 0.981 -42.8 6.5 360 0.890 -74.3 0.26 -128.5304 0.0014 153.2 0.979 -51.4 12.3 420 0.879 -86.0 0.41 -113.438 0.0022 149.7 0.973 -60.1 7.4 480 0.876 -97.1 0.62 -117.7927 0.0037 147.3 0.965 -69.3 4.4 540 0.872 -108.2 0.83 -125.7797 0.0039 143.4 0.958 -78.0 3.8 600 0.869 -118.8 1.07 -135.3626 0.0043 142.5 0.948 -87.1 3.4 660 0.872 -129.8 1.34 -144.9783 0.0063 130.7 0.935 -96.9 2.5 720 0.874 -140.7 1.66 -155.2931 0.0101 127.3 0.920 -106.6 1.7 780 0.878 -153.0 2.04 -168.018 0.0144 108.8 0.893 -116.9 1.5 840 0.813 -165.3 2.30 177.8467 0.0152 73.6 0.863 -126.3 2.0 900 0.806 -172.6 2.64 169.357 0.0126 71.9 0.853 -137.2 2.1 960 0.813 176.5 3.17 157.1773 0.0185 79.4 0.817 -149.8 1.6

1020 0.809 164.4 3.78 143.6133 0.0237 67.9 0.767 -163.0 1.4 1080 0.785 150.1 4.34 128.2928 0.0318 51.1 0.693 -176.6 1.3 1140 0.732 135.5 4.93 111.4632 0.0399 35.3 0.598 168.3 1.3 1200 0.637 118.7 5.30 92.48291 0.0491 11.0 0.466 155.8 1.3 1260 0.522 107.6 5.32 76.71066 0.0494 -10.0 0.381 147.9 1.5 1320 0.378 98.0 5.24 63.20023 0.0517 -36.7 0.325 141.9 1.7 1380 0.311 108.3 5.33 56.22391 0.0385 -63.8 0.358 125.1 2.1 1440 0.325 97.5 6.14 41.04218 0.0326 -62.8 0.270 88.5 2.3 1500 0.287 88.9 6.51 25.58716 0.0307 -74.9 0.212 52.2 2.4

4573C–GPS–02/03

Table 1. Measured Scattering Parameters of Matched Device

(Given as Linear Magnitude and Phase in Degree) (Continued)

f /MHz

ϕ(S

)

ϕ(S

)

ϕ(S

)

ϕ(S

)

K Factor

1560 0.257 73.3 6.77 8.313904 0.0320 -76.5 0.207 -1.0 2.2 1620 0.180 59.1 6.58 -8.583069 0.0355 -93.7 0.202 -46.0 2.1 1680 0.175 46.3 6.79 -22.98477 0.0281 -107.7 0.268 -62.3 2.5 1740 0.160 3.9 6.78 -40.46539 0.0263 -103.6 0.358 -81.5 2.4 1800 0.152 -43.9 6.33 -57.3143 0.0297 -112.5 0.411 -101.3 2.2 1860 0.187 -77.9 5.95 -73.04535 0.0288 -121.8 0.453 -116.8 2.2 1920 0.249 -104.8 5.58 -87.41135 0.0310 -132.7 0.471 -129.8 2.1 1980 0.314 -122.7 5.15 -100.7899 0.0285 -142.7 0.487 -139.2 2.3 2040 0.389 -137.6 4.71 -114.63 0.0307 -154.3 0.492 -150.3 2.1 2100 0.450 -151.0 4.33 -127.6309 0.0305 -171.1 0.476 -156.8 2.2 2160 0.514 -162.2 3.99 -138.8933 0.0328 175.1 0.452 -162.0 2.1 2220 0.564 -172.4 3.71 -151.1952 0.0333 148.3 0.443 -152.8 2.1 2280 0.621 179.3 3.45 -166.5967 0.0205 110.4 0.645 -158.2 2.5 2340 0.678 169.7 3.08 -178.6954 0.0100 118.3 0.708 -173.7 4.1 2400 0.722 160.6 2.66 170.4748 0.0071 129.9 0.722 175.9 5.7 2460 0.762 152.2 2.39 158.4146 0.0056 136.8 0.738 167.1 6.7 2520 0.793 144.0 2.14 148.5269 0.0042 129.5 0.742 158.8 8.7 2580 0.821 136.5 1.87 139.0457 0.0047 134.1 0.750 151.3 7.5 2640 0.839 129.4 1.65 127.6694 0.0032 158.1 0.762 143.8 11.3 2700 0.857 122.3 1.50 118.4024 0.0048 168.3 0.768 136.4 6.9 2760 0.876 115.8 1.30 109.0173 0.0047 173.3 0.774 129.3 7.1 2820 0.886 109.5 1.13 98.04062 0.0056 -171.8 0.775 121.4 6.3 2880 0.900 103.2 0.99 88.75305 0.0058 -173.3 0.775 113.9 6.2 2940 0.908 97.4 0.84 80.06287 0.0069 175.4 0.775 106.6 5.6 3000 0.914 91.3 0.71 69.79065 0.0086 167.6 0.761 98.8 5.2

Figure 6. Gain versus Blocker at 1710 MHz (Compression)

20.0

18.0

16.0

14.0

12.0

10.0

8.0

Gain (dB)

6.0

4.0

2.0

0.0

-50 -40 -30 -20 -10 0 10

ATR0610

CW blocking power (dBm)

4573C–GPS–02/03

Figure 7. Out of Band Intermodulation Product 3rd Order (IP3)

40.0 IP3

20.0

0.0

-20.0

-40.0

Pout ( dBm)

-60.0

-80.0

-50 -40 -30 -20 -10 0 10

Pin (dBm)

ATR0610

Figure 8. Inband Intermodulation Product 3

40.0

20.0

0.0

-20.0

-40.0

Pout (dBm)

-60.0

-80.0

-50 -40 -30 -20 -10 0 10

Order (Inband IP3)

Pin (dBm)

Figure 9. Noise Figure without any De-embedding

3.0

2.5

2.0

Inband IP3

4573C–GPS–02/03

1.5

NF (dB)

1.0

0.5

0.0

1.25 1.38 1.50 1.63 1.75 1.88 2.00

f (GHz)

Figure 10. Reference Planes of Unmatched Device

Unmatched Device

PU Mode PD Mode

ATR0610

RF-Output

GND VCC

RF-Input

Cblock = 1 nF

Port 1 Port 2

Table 2. Measured Scattering Parameters of Unmatched Device (De-embedded)

(Given as Linear Magnitude and Phase in Degree)

f/MHz |S11| ϕ(S11) |S21| ϕ(S21) |S12| ϕ(S12) |S22| ϕ(S22)

1.400 0.725 -116.0 6.04 132.8 0.028 63.1 0.400 104.5

1.425 0.712 -117.7 6.12 127.7 0.030 58.2 0.366 94.5

1.450 0.698 -119.3 6.17 122.6 0.031 53.0 0.332 83.6

1.475 0.682 -120.6 6.19 117.6 0.032 47.7 0.303 72.2

1.500 0.666 -122.0 6.18 112.7 0.033 42.0 0.278 60.2

1.525 0.647 -123.1 6.16 108.1 0.033 35.9 0.258 47.4

1.550 0.630 -123.9 6.10 103.8 0.034 29.5 0.244 35.0

1.575 0.610 -124.4 6.05 99.6 0.034 22.5 0.240 22.5

1.600 0.592 -124.6 5.98 95.8 0.034 15.9 0.240 10.8

1.625 0.573 -124.2 5.93 92.4 0.034 7.8 0.249 1.5

1.650 0.558 -123.3 5.92 89.4 0.032 -1.0 0.276 -7.1

1.675 0.552 -121.7 5.99 86.0 0.029 -9.0 0.315 -16.6

1.700 0.556 -120.5 6.05 82.0 0.026 -15.3 0.360 -27.3

1.725 0.565 -120.0 6.10 77.5 0.022 -18.7 0.404 -38.2

1.750 0.573 -120.1 6.10 72.9 0.020 -20.0 0.443 -48.6

Figure 11. Minimum Noise Figure NF

3.0

2.5

2.0

1.5

1.0

NFmin (dB)

0.5

0.0

1.4 1.5 1.6 1.7

ATR0610

(De-embedded)

min

f (GHz)

4573C–GPS–02/03

Table 3. Raw Noise Data of Unmatched Device (de-embedded)

f/GHz NFmin/dB |Γopt| φ(Γopt) Rn/Ω

1.400 1.51 0.31 98.07 8.89

1.425 1.46 0.31 98.55 8.71

1.450 1.45 0.31 100.00 9.30

1.475 1.43 0.31 100.16 9.13

1.500 1.43 0.31 101.78 8.70

1.525 1.38 0.32 103.08 9.15

1.550 1.49 0.31 104.16 9.41

1.575 1.49 0.31 106.49 8.78

1.600 1.57 0.28 109.84 9.05

1.625 1.50 0.30 110.74 8.22

1.650 1.54 0.31 112.12 8.41

1.675 1.52 0.31 113.20 8.61

1.700 1.52 0.31 113.33 8.40

1.725 1.65 0.28 116.76 8.61

1.700 1.52 0.31 113.33 8.40

1.725 1.65 0.28 116.76 8.61

1.750 1.62 0.31 115.03 8.24

ATR0610

Figure 12. Schematic of Application Board

4573C–GPS–02/03

Bill of Materials of Demo Board

Component Reference Vendor Part Number/Remark Value Size/Package

C1 1 nF 0402 C2 NPO 1.5 pF 0402

C3, C5 nc

C20 10 uF 3216 C23 100 nF 0402

L1 TOKO LL1005-FH3N9 3.9 nH 0402

L5, L8

R1 nc

R5, R7 1W 0402

Note: 1. Other sizes are possible.

Figure 13. Layout of Demo Board

Würth

Elektronik

WE74476401 1210

(1)

ATR0610

4573C–GPS–02/03

Ordering Information

Extended Type Numb er Package Remarks

ATR0610-PQQ PLLP6 Area 1.6mm ´ 2.0 mm, 0.5 mm pitch

Package Information

ATR0610

4573C–GPS–02/03

ATR0610

4573C–GPS–02/03

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4573C–GPS–02/03

Rainbow Electronics ATR0610 User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual