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AMMC-6345
20 - 45 GHz Driver Amplifier
Data Sheet
Chip Size: 2500 x 1150 m (100 x 69 mils) Chip Size Tolerance: 10m (0.4 mils) Chip Thickness: 100 10m (4 0.4 mils) Pad Dimensions: 100 x 100 m (4 0.4 mils)
Description
The AMMC-6345 MMIC is a broadband medium power amplifier designed for use in driving stage for transmitters that operate in various frequency bands between 20GHz and 45GHz. It can be used as a driver stage for the AMMC-6425, 6430 and 6440 (18-27GHz, 25-32GHz and 37-42GHz) 1W MMIC power amplifiers when linear operation is required. At 40GHz, it provides 24dBm of output power (P-1dB), 20dB of gain, and a 32 dBm output third order intercept (OIP3). The device has input and output matching circuitry for use in 50 environments. The AMMC-6345 integrates a temperature compensated RF power detection circuit that enables power detection of 0.8V/W at 40GHz. The device operates on 5V for current supply (negative voltage only needed for Vg). It is fabricated in a PHEMT process for exceptional power and gain performance. For improved reliability and moisture protection, the die is passivated at the active areas.
Features
* Wide frequency range: 20 - 45 GHz * High gain: 20 dB * Power: @40 GHz, P-1dB=24 dBm * Highly linear: OIP3=32dBm * Integrated RF power detector * 5.0 Volt, -0.55 Volt, 480mA operation
Applications
* Microwave Radio systems * Satellite VSAT and DBS systems * LMDS & Pt-Pt mmW Long Haul * 802.16 & 802.20 WiMax BWA * WLL and MMDS loops * Commercial grade military * Can be driver amplifier for the AMMC-64xx power amplifiers
AMMC-6345 Absolute Maximum Ratings[1]
Symbol Vd Vg Id Pin Tch Tstg Tmax Parameters/Conditions Positive Drain Voltage Gate Supply Voltage Drain Current CW Input Power Operating Channel Temp. Storage Case Temp. Units V V mA dBm C C -65 Min. -3 Max. 7 0.5 700 23 +150 +150 +300
Maximum Assembly Temp (60 sec max) C
Note: 1. Operation in excess of any one of these conditions may result in permanent damage to this device.
Note: these devices are esd seNsitive. the followiNg precautioNs are stroNgly recommeNded. eNsure that aN esd approved carrier is used wheN dice are traNsported from oNe destiNatioN to aNother. persoNal grouNdiNg is to be worN at all times wheN haNdliNg these devices
AMMC-6345 DC Specifications/Physical Properties [1]
Symbol Id Vg Vp ch-b Parameters and Test Conditions Drain Supply Current (under any RF power drive and temperature) (Vd=5.0V, Vg set for Id typical) Gate Supply Operating Voltage Id(Q) = 480mA Pinch-off voltage (Vdd=2.5V, Ids=20mA) Thermal Resistance [2] Backside temperature, Tb=25C Units mA V V C/W -0.75 -2.5 Min. Typ. 480 -0.55 -1.2 8.2 Max. 600 -0.4 -0.9
Notes: 1. Ambient operational temperature TA=25C unless otherwise noted. 2. Channel-to-backside Thermal Resistance (ch-b) = 9.0C/W at Tchannel (Tc) = 70C as measured using infrared microscopy. Thermal Resistance at backside temperature (Tb) = 25C calculated from measured data.
AMMC-6345 RF Specifications [3, 4, 5]( TA= 25C, Vd=5V, Id(Q)=480 mA, Zo=50 )
Symbol Gain P-1dB P-3dB OIP3 RLin RLout Isolation Parameters and Test Conditions Small-signal Gain[4] Output Power at 1dB Gain Compression Output Power at 3dB Gain Compression Third Order Intercept Point; Df=100MHz; Pin=-20dBm Input Return Loss[4] Output Return Loss[4] Min. Reverse Isolation Units dB dBm dBm dBm dB dB dB Minimum 18 22.5 24 25 32 -17 -13 -40 Typical Maximum Sigma 0.28 0.20 0.17 0.8 0.92 0.63 1.30
Notes: 3. Small/Large -signal data measured in wafer form TA = 25C. 4. 100% on-wafer RF test is done at frequency = 25, 30, and 38 GHz. Statistics based on 1500 part sample 5. Specifications are derived from measurements in a 50 test environment. Aspects of the amplifier performance may be improved over a more narrow bandwidth by application of additional conjugate, linearity, or power matching.
LSL
LSL
LSL
18
19
20
22.6 22.7 22.8 22.9 23 23.1 23.2 23.3 23.4
23
24
Gain at 30 GHz
P-1dB at 30 GHz
P-1dB at 38 GHz
Typical distribution of Small Signal Gain and Output Power @P-1dB. Based on 1500 part sampled over several production lots.
2
AMMC-6345 Typical Performances (TA = 25C, Vd =5.0 V, ID = 480 mA, Zin = Zout = 50 )
NOTE: These measurements are in a 50 test environment. Aspects of the amplifier performance may be improved over a more narrow bandwidth by application of additional conjugate, linearity, or power matching.
30 25 20
S21 [dB]
Vd=3V
-20 -25
0 -5
30 P-1(5V) P-1(4V) P-1(3V) 25
Vd=5V
S11, and S22 [dB]
-30
S12 [dB]
-10 P-1 [dBm] -15 -20 15 -25 -30 10 15 20
15 10 5 0 15 Isolation
-35 -40 -45 -50
20
25
30 35 40 Frequency [GHz]
45
50
15
20
25
30 35 Frequency [GHz]
40
45
50
20
25
30 35 40 Frequency [GHz]
45
50
Figure 1. Typical Gain and Reverse Isolation at Vd= 3V, 4V, and 5V
Figure 2. Typical Return Loss (Input and Output) at Vd= 3V, 4V, and 5V
Figure 3. Typical Output Power (@P-1dB) and PAE at Vd= 3V, 4V, and 5V
12 10 8 IP3 [dBm] 6 4 2 0 15
40 38 36 Pout [dBm], PAE [%] 34 32 30 28 26 24 22 20 25 30 35 Frequency [GHz] 40 45 20 15 20 25 30 35 Frequency [GHz] 40 45
30 25 20
Pout PAE Id
700 600 500 Id [mA]
Noise Figure [dB]
15 10 5 0 -20
400 300 200 100 20
-10
0 Pin [dBm]
10
Figure 4. Typical Noise Figure
Figure 5. Typical Output 3rd Order Intercept Pt.
Figure 6. Typical Output Power, PAE, and Total Drain Current versus Input Power at30GHz
0
S11_20 S11_-40 S11_85
0
S22_20 S22_-40 S22_85
30
-5
-5
25
S11[dB]
-10
S22 [dB]
-15
S21[dB]
-10
20
-15
15
-20
-20
10
S21_20 S21_-40 S21_85
-25 15
20
25
30 35 40 Frequency[GHz]
45
50
-25 15
20
25 30 Frequency [GHz]
35
40
5 15
20
25
30 35 40 Frequency[GHz]
45
50
Figure 7. Typical S11 over temperature
Figure 8. Typical S22 over temperature
Figure 9. Typical Gain over temperature
3
26 25 24 P-1 [dBm] 23 22 21 20 15
P-1_85deg P-1_20deg P-1_-40deg
20
25
30 35 40 Frequency [GHz]
45
50
Figure 10. Typical One dB Compression over temperature
DET_ R DET_O
Vg
Vd
RFo u t
Four stage wideband amplifier
RFin
Figure 11. AMMC-6345 Schematic
Figure 12. AMMC-6345 Bond pad locations
4
Typical Scattering Parameters [1], (TA = 25C, Vd =5 V, ID = 480 mA, Zin = Zout = 50 )
Freq GHz 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 dB -0.12 -0.36 -0.78 -1.24 -1.83 -2.56 -3.48 -4.38 -5.32 -6.34 -7.32 -8.24 -9.06 -9.65 -10.03 -10.37 -10.93 -11.65 -13.22 -12.80 -10.44 -11.43 -12.32 -16.43 -33.10 -18.10 -14.60 -14.58 -15.53 -17.91 -19.92 -19.18 -24.05 -21.13 -19.80 -23.53 -17.56 -21.58 -30.34 -35.48 -17.21 -15.11 -12.25 -12.99 -15.86 -23.96 -24.63 -17.97 -14.20 -14.67 S11 Mag 0.99 0.96 0.91 0.87 0.81 0.74 0.67 0.60 0.54 0.48 0.43 0.39 0.35 0.33 0.32 0.30 0.28 0.26 0.22 0.23 0.30 0.27 0.24 0.15 0.02 0.12 0.19 0.19 0.17 0.13 0.10 0.11 0.06 0.09 0.10 0.07 0.13 0.08 0.03 0.02 0.14 0.18 0.24 0.22 0.16 0.06 0.06 0.13 0.19 0.18 Phase -19.15 -37.94 -56.52 -74.42 -92.28 -109.82 -126.55 -142.45 -157.40 -171.66 175.24 163.63 152.38 141.86 132.41 119.00 107.09 95.81 84.24 94.60 68.43 44.99 26.50 -13.72 4.94 116.73 72.31 36.54 16.63 8.16 17.96 10.21 -3.59 8.05 32.35 32.05 5.55 -52.01 -114.67 39.30 143.54 85.97 53.08 17.98 13.27 15.35 102.35 95.52 46.11 22.54 dB -57.32 -55.89 -44.42 -44.66 -41.91 -43.30 -46.99 -49.97 -44.20 -44.20 -39.36 -32.87 -23.89 -15.71 -8.28 -1.20 5.59 12.62 19.61 26.10 27.50 27.02 25.82 26.40 26.32 25.96 24.15 22.74 21.72 21.16 20.83 20.68 20.79 21.06 21.29 22.02 22.61 23.49 23.76 23.72 24.39 23.10 22.14 22.01 22.18 22.97 23.78 21.31 16.60 10.89 S21 Mag 0.00 0.00 0.01 0.01 0.01 0.01 0.00 0.00 0.01 0.01 0.01 0.02 0.06 0.16 0.39 0.87 1.90 4.27 9.56 20.19 23.72 22.44 19.54 20.90 20.71 19.87 16.12 13.71 12.19 11.43 11.01 10.82 10.95 11.30 11.61 12.61 13.50 14.95 15.42 15.35 16.57 14.28 12.80 12.61 12.86 14.08 15.45 11.63 6.76 3.50 Phase 58.58 177.71 156.82 18.13 -18.02 -74.83 -110.83 -167.43 -159.52 158.06 97.29 28.85 -33.55 -84.27 -133.47 175.63 124.30 68.08 4.03 -77.51 -169.54 120.52 62.88 11.34 -44.56 -100.50 -150.08 169.71 131.45 90.73 54.44 17.84 -18.83 -54.56 -95.07 -134.69 -172.71 141.12 95.64 51.02 -2.61 -50.90 -97.36 -141.90 168.99 113.52 42.51 -33.83 -99.79 -161.82 dB -84.82 -72.13 -73.64 -68.72 -64.72 -58.52 -59.25 -53.00 -50.89 -49.45 -49.30 -47.08 -44.73 -49.04 -48.03 -43.10 -47.51 -53.58 -46.83 -47.66 -49.36 -50.90 -47.58 -44.04 -43.30 -38.62 -39.81 -39.01 -40.25 -36.88 -40.86 -42.44 -39.55 -41.21 -41.61 -42.14 -38.23 -36.12 -36.83 -43.22 -34.82 -37.12 -35.25 -34.23 -41.79 -41.13 -41.34 -38.36 -41.40 -35.04 S12 Mag 5.74E-05 2.47E-04 2.08E-04 3.67E-04 5.81E-04 1.19E-03 1.09E-03 2.24E-03 2.86E-03 3.37E-03 3.43E-03 4.43E-03 5.80E-03 3.53E-03 3.97E-03 7.00E-03 4.21E-03 2.09E-03 4.55E-03 4.14E-03 3.40E-03 2.85E-03 4.18E-03 6.28E-03 6.84E-03 1.17E-02 1.02E-02 1.12E-02 9.71E-03 1.43E-02 9.06E-03 7.56E-03 1.05E-02 8.70E-03 8.31E-03 7.82E-03 1.23E-02 1.56E-02 1.44E-02 6.91E-03 1.81E-02 1.39E-02 1.73E-02 1.94E-02 8.14E-03 8.78E-03 8.57E-03 1.21E-02 8.51E-03 1.77E-02 Phase 70.58 12.23 58.99 -48.48 -6.62 -57.25 -84.92 -110.79 -135.83 -155.71 177.11 165.36 129.26 119.12 126.80 102.68 82.45 99.10 113.11 91.93 82.40 84.94 120.75 118.67 97.04 91.29 79.49 66.21 52.18 39.00 27.57 23.47 34.21 23.92 24.14 50.90 52.34 17.88 6.44 14.62 27.26 23.49 -1.27 -13.24 -22.34 -53.47 -30.56 50.51 -16.54 -0.97 dB -0.08 -0.26 -0.68 -0.90 -1.32 -1.83 -2.29 -2.68 -3.12 -3.65 -4.23 -4.86 -5.63 -6.55 -7.88 -9.68 -12.19 -15.60 -19.86 -25.66 -20.66 -21.88 -17.37 -30.98 -23.16 -13.22 -12.08 -12.33 -13.33 -16.66 -18.02 -16.44 -17.24 -14.43 -15.42 -18.45 -13.77 -13.62 -13.38 -20.67 -14.67 -16.35 -13.23 -13.19 -18.56 -32.37 -19.03 -13.68 -12.95 -13.34 S22 Mag 0.99 0.97 0.92 0.90 0.86 0.81 0.77 0.73 0.70 0.66 0.61 0.57 0.52 0.47 0.40 0.33 0.25 0.17 0.10 0.05 0.09 0.08 0.14 0.03 0.07 0.22 0.25 0.24 0.22 0.15 0.13 0.15 0.14 0.19 0.17 0.12 0.20 0.21 0.21 0.09 0.18 0.15 0.22 0.22 0.12 0.02 0.11 0.21 0.23 0.22 Phase -19.11 -38.22 -56.80 -74.40 -92.91 -110.50 -127.65 -145.11 -163.32 178.38 159.66 140.25 120.10 99.03 76.01 53.09 28.87 5.21 -26.08 -128.62 120.00 103.50 57.61 -23.98 162.95 130.94 88.55 52.53 33.17 22.40 33.03 30.73 30.21 13.79 8.85 -7.10 3.88 -41.65 -69.60 -115.14 178.89 104.61 53.80 11.28 -5.93 -162.08 168.70 119.97 55.08 30.13
Note: 1. Data obtained from on-wafer measurements.
5
Typical Scattering Parameters [1], (TA = 25C, Vd =4 V, ID = 480 mA, Zin = Zout = 50 )
Freq GHz 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 dB -0.16 -0.39 -0.78 -1.21 -1.82 -2.56 -3.46 -4.41 -5.36 -6.34 -7.33 -8.29 -9.10 -9.72 -9.97 -10.32 -10.96 -11.71 -13.73 -13.44 -10.17 -10.75 -11.65 -14.41 -26.32 -17.59 -13.92 -13.53 -14.08 -16.63 -18.90 -18.32 -23.55 -21.32 -20.70 -25.47 -16.57 -18.72 -24.40 -34.49 -16.04 -14.51 -10.71 -11.02 -13.86 -21.24 -30.77 -18.22 -14.30 -13.69 S11 Mag 0.98 0.96 0.91 0.87 0.81 0.74 0.67 0.60 0.54 0.48 0.43 0.39 0.35 0.33 0.32 0.30 0.28 0.26 0.21 0.21 0.31 0.29 0.26 0.19 0.05 0.13 0.20 0.21 0.20 0.15 0.11 0.12 0.07 0.09 0.09 0.05 0.15 0.12 0.06 0.02 0.16 0.19 0.29 0.28 0.20 0.09 0.03 0.12 0.19 0.21 Phase -19.19 -37.93 -56.39 -74.41 -92.14 -109.85 -126.58 -142.71 -157.57 -171.64 175.31 163.66 152.68 141.78 131.78 119.00 107.47 95.84 82.90 101.63 73.51 47.22 28.96 -12.94 -49.37 144.74 85.99 44.86 21.41 8.93 14.45 6.29 -19.09 3.37 39.68 45.58 19.35 -38.12 -86.55 -38.53 176.52 103.12 62.82 24.70 16.77 -28.71 -132.19 137.35 51.01 33.04 dB -53.23 -67.95 -40.54 -41.69 -41.15 -41.77 -43.64 -56.23 -44.89 -41.33 -37.05 -29.27 -21.03 -13.45 -6.07 0.84 7.47 14.30 21.14 27.75 29.29 28.67 27.17 27.83 28.13 28.31 26.51 24.96 23.85 23.40 23.07 22.79 23.02 23.15 23.32 24.18 24.54 25.55 25.94 26.04 27.45 26.11 24.89 24.50 24.68 25.58 26.58 24.46 19.02 13.00 S21 Mag 0.00 0.00 0.01 0.01 0.01 0.01 0.01 0.00 0.01 0.01 0.01 0.03 0.09 0.21 0.50 1.10 2.36 5.19 11.40 24.40 29.14 27.15 22.84 24.63 25.51 26.02 21.16 17.69 15.57 14.79 14.25 13.78 14.15 14.37 14.66 16.18 16.87 18.95 19.82 20.05 23.57 20.20 17.57 16.78 17.13 19.02 21.32 16.71 8.94 4.47 Phase 156.78 55.37 131.73 57.78 -19.49 -62.48 -133.57 -160.01 -148.14 164.06 100.59 28.45 -27.89 -80.16 -129.87 178.98 128.36 73.07 10.66 -68.25 -160.93 129.50 72.85 25.32 -28.85 -84.66 -136.32 -176.33 145.34 104.50 68.67 32.49 -3.82 -39.05 -79.03 -117.44 -154.34 162.14 117.99 74.33 21.73 -29.49 -77.62 -120.85 -169.94 136.62 69.26 -8.92 -75.39 -134.58 dB -68.83 -64.00 -66.32 -69.07 -68.32 -65.80 -61.51 -55.12 -49.82 -51.14 -48.19 -45.53 -45.00 -48.38 -46.59 -44.78 -49.02 -50.33 -48.40 -47.42 -46.73 -49.84 -48.29 -43.57 -43.25 -38.80 -39.09 -39.34 -39.82 -36.76 -40.95 -41.36 -41.06 -42.31 -41.70 -43.38 -37.91 -36.08 -36.60 -42.30 -34.79 -36.00 -35.46 -34.68 -41.32 -40.03 -45.20 -37.76 -44.27 -35.29 S12 Mag 3.62E-04 6.31E-04 4.83E-04 3.52E-04 3.84E-04 5.13E-04 8.41E-04 1.75E-03 3.23E-03 2.77E-03 3.90E-03 5.29E-03 5.62E-03 3.81E-03 4.68E-03 5.77E-03 3.54E-03 3.04E-03 3.80E-03 4.25E-03 4.61E-03 3.22E-03 3.85E-03 6.63E-03 6.88E-03 1.15E-02 1.11E-02 1.08E-02 1.02E-02 1.45E-02 8.97E-03 8.55E-03 8.85E-03 7.66E-03 8.23E-03 6.78E-03 1.27E-02 1.57E-02 1.48E-02 7.67E-03 1.82E-02 1.59E-02 1.69E-02 1.85E-02 8.59E-03 9.97E-03 5.50E-03 1.29E-02 6.12E-03 1.72E-02 Phase 26.36 -46.10 20.50 -130.05 -100.23 -99.25 -98.06 -107.65 -144.87 -153.44 171.91 173.32 127.55 124.53 107.01 99.88 78.01 89.14 103.60 95.39 73.57 79.27 116.81 111.65 98.92 91.99 75.56 64.27 51.62 39.20 31.81 29.88 40.72 23.74 19.32 45.45 48.15 14.52 8.30 19.67 31.11 19.97 -8.94 -14.35 -10.57 -46.31 -26.74 28.33 -19.20 4.22 dB -0.08 -0.26 -0.67 -0.88 -1.31 -1.81 -2.28 -2.66 -3.08 -3.66 -4.26 -4.89 -5.70 -6.66 -8.03 -9.85 -12.37 -15.82 -20.31 -24.25 -17.32 -19.85 -15.29 -22.20 -27.47 -13.18 -11.45 -11.51 -12.15 -15.64 -18.45 -16.78 -18.01 -14.20 -15.46 -18.04 -13.35 -12.05 -11.11 -16.29 -10.90 -13.58 -11.34 -11.65 -15.92 -37.34 -26.86 -14.49 -13.28 -12.32 S22 Mag 0.99 0.97 0.93 0.90 0.86 0.81 0.77 0.74 0.70 0.66 0.61 0.57 0.52 0.46 0.40 0.32 0.24 0.16 0.10 0.06 0.14 0.10 0.17 0.08 0.04 0.22 0.27 0.27 0.25 0.17 0.12 0.14 0.13 0.20 0.17 0.13 0.21 0.25 0.28 0.15 0.29 0.21 0.27 0.26 0.16 0.01 0.05 0.19 0.22 0.24 Phase -19.08 -38.15 -56.74 -74.37 -92.85 -110.47 -127.65 -145.13 -163.32 178.32 159.59 140.42 120.37 99.20 76.86 54.59 30.81 7.87 -22.64 -132.65 120.11 96.63 58.23 -12.94 -156.00 146.66 96.76 55.30 33.35 14.37 25.83 27.77 28.28 15.86 12.48 -10.74 13.37 -33.40 -58.03 -98.87 -152.87 139.52 76.58 32.59 24.76 -5.22 -131.95 146.63 60.47 37.59
Note: 1. Data obtained from on-wafer measurements.
6
Typical Scattering Parameters [1], (TA = 25C, Vd =3 V, ID = 480 mA, Zin = Zout = 50 )
Freq GHz 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 dB -0.17 -0.38 -0.80 -1.24 -1.83 -2.58 -3.45 -4.41 -5.34 -6.39 -7.43 -8.39 -9.21 -9.84 -10.21 -10.50 -11.09 -11.92 -14.27 -13.89 -9.77 -10.36 -10.95 -12.82 -20.01 -16.16 -13.11 -12.47 -12.52 -14.80 -17.96 -16.96 -20.37 -21.47 -22.83 -31.25 -16.05 -16.50 -20.37 -27.13 -13.76 -13.77 -9.12 -9.17 -12.24 -16.79 -19.26 -18.84 -13.89 S11 Mag 0.98 0.96 0.91 0.87 0.81 0.74 0.67 0.60 0.54 0.48 0.43 0.38 0.35 0.32 0.31 0.30 0.28 0.25 0.19 0.20 0.32 0.30 0.28 0.23 0.10 0.16 0.22 0.24 0.24 0.18 0.13 0.14 0.10 0.08 0.07 0.03 0.16 0.15 0.10 0.04 0.21 0.20 0.35 0.35 0.24 0.14 0.11 0.11 0.20 Phase -19.23 -37.92 -56.53 -74.31 -92.16 -109.70 -126.71 -142.79 -157.73 -171.67 174.81 163.69 152.72 141.91 132.89 119.24 107.27 95.38 81.85 109.87 78.10 50.77 33.06 -7.39 -46.93 -172.38 109.32 57.26 29.69 11.67 12.34 6.25 -39.68 -3.95 58.23 74.59 33.66 -19.00 -58.53 -29.10 -139.61 125.55 79.00 36.59 23.69 -23.95 -63.42 -143.35 61.11 dB -56.53 -51.18 -44.83 -38.86 -42.87 -42.04 -47.50 -51.25 -43.78 -40.49 -33.61 -25.85 -17.98 -10.27 -3.24 3.46 9.86 16.43 22.99 29.48 30.91 30.16 28.41 28.94 29.56 30.49 29.15 27.40 26.16 25.97 25.69 25.24 25.57 25.51 25.74 26.60 26.59 27.70 28.06 28.27 30.33 29.21 27.77 26.84 26.90 27.55 28.08 26.33 20.46 S21 Mag 0.00 0.00 0.01 0.01 0.01 0.01 0.00 0.00 0.01 0.01 0.02 0.05 0.13 0.31 0.69 1.49 3.11 6.63 14.11 29.77 35.10 32.21 26.33 27.98 30.07 33.45 28.67 23.44 20.32 19.89 19.24 18.29 18.98 18.86 19.36 21.37 21.35 24.26 25.30 25.92 32.83 28.86 24.47 21.98 22.13 23.85 25.36 20.72 10.54 5.02 Phase -171.93 -121.05 160.51 30.95 -0.87 -82.73 -124.89 -125.67 -158.45 155.31 103.90 33.83 -24.57 -76.24 -126.21 -177.90 131.33 76.66 15.73 -61.10 -152.91 139.42 83.98 41.41 -9.55 -62.31 -116.72 -157.52 163.66 122.81 87.37 51.25 15.77 -19.79 -59.85 -96.11 -132.80 -173.30 143.64 100.93 52.80 -3.22 -55.08 -97.87 -146.40 161.76 100.83 25.90 -43.29 -100.68 dB -70.34 -70.16 -77.47 -63.95 -64.81 -61.74 -59.13 -56.49 -50.24 -50.30 -48.81 -46.83 -45.51 -49.80 -47.33 -44.28 -47.78 -46.82 -47.00 -46.50 -48.99 -50.84 -47.76 -43.84 -43.25 -37.97 -38.53 -38.07 -40.03 -37.42 -40.96 -41.53 -39.63 -42.35 -41.35 -41.97 -38.56 -36.70 -37.38 -44.07 -34.12 -36.28 -35.34 -34.73 -41.12 -43.52 -45.53 -35.90 -44.84 -32.47 S12 Mag 3.04E-04 3.11E-04 1.34E-04 6.34E-04 5.75E-04 8.19E-04 1.10E-03 1.50E-03 3.08E-03 3.05E-03 3.63E-03 4.55E-03 5.31E-03 3.24E-03 4.30E-03 6.11E-03 4.09E-03 4.56E-03 4.47E-03 4.73E-03 3.55E-03 2.87E-03 4.09E-03 6.43E-03 6.88E-03 1.26E-02 1.18E-02 1.25E-02 9.96E-03 1.35E-02 8.96E-03 8.38E-03 1.04E-02 7.63E-03 8.56E-03 7.97E-03 1.18E-02 1.46E-02 1.35E-02 6.26E-03 1.97E-02 1.53E-02 1.71E-02 1.83E-02 8.79E-03 6.67E-03 5.29E-03 1.60E-02 5.73E-03 2.38E-02 Phase -153.86 -53.76 51.20 -26.36 -27.92 -55.95 -96.04 -112.50 -139.23 -160.03 172.69 168.52 133.77 122.01 120.33 104.06 70.83 94.42 103.59 95.56 80.33 78.70 119.47 113.60 101.42 93.87 73.46 60.67 48.58 39.15 31.23 21.47 31.00 29.06 19.38 52.10 48.65 19.68 11.78 24.64 35.07 15.02 -13.52 -24.73 -26.28 -47.41 13.07 56.12 -23.47 -7.26 dB -0.08 -0.25 -0.68 -0.88 -1.29 -1.79 -2.27 -2.66 -3.08 -3.67 -4.28 -4.97 -5.86 -6.86 -8.29 -10.14 -12.68 -16.14 -20.66 -22.17 -15.57 -17.93 -13.25 -17.27 -24.21 -13.35 -11.00 -10.32 -10.89 -14.08 -18.34 -17.26 -19.79 -13.89 -15.72 -17.91 -13.59 -11.01 -9.50 -13.62 -7.29 -9.84 -8.57 -9.16 -13.03 -20.18 -15.83 -17.39 -15.07 -12.37 S22 Mag 0.99 0.97 0.93 0.90 0.86 0.81 0.77 0.74 0.70 0.66 0.61 0.56 0.51 0.45 0.39 0.31 0.23 0.16 0.09 0.08 0.17 0.13 0.22 0.14 0.06 0.22 0.28 0.30 0.29 0.20 0.12 0.14 0.10 0.20 0.16 0.13 0.21 0.28 0.33 0.21 0.43 0.32 0.37 0.35 0.22 0.10 0.16 0.14 0.18 0.24 Phase -19.04 -38.12 -56.61 -74.33 -92.83 -110.36 -127.57 -145.05 -163.37 178.35 159.54 140.38 120.58 99.88 78.40 57.19 34.14 13.43 -18.52 -143.49 117.96 90.58 59.11 0.38 -68.05 177.64 111.78 62.98 37.37 10.50 15.03 24.80 22.11 17.95 14.36 -22.92 22.15 -23.76 -45.77 -88.86 -123.86 167.90 102.39 55.64 47.72 47.13 -14.71 -122.16 63.99 50.76
50 -12.26 0.24 44.00 14.02 Note: 1. Data obtained from on-wafer measurements.
7
Biasing and Operation
AMMC-6345 has quite flexible drain biasing conditions. Recommended quiescent DC bias condition for optimum power and linearity performances is Vd=5 volts with Vg set for Id=480 mA. For high gain applications, the AMMC-6345 can be biased at Vd=3V. Minor improvements in performance are possible depending on the application. The drain bias voltage range is 3 to 5.5V. A single DC gate supply connected to Vg will bias all gain stages. Muting can be accomplished by setting Vg to the pinch-off voltage Vp. An optional output power detector network is also provided. The differential voltage between the Det-Ref and Det-Out pads can be correlated with the RF power emerging from the RF output port. The detected voltage is given by :
V = ( ref - V det )- V ofs V
V where ref is the voltage at the DET _ R port, V det is a voltV age at the DET _ O port, and ofs is the zero-input-power offset voltage. There are three methods to calculate : V 1. ofs can be measured before each detector measurement (by removing or switching off the power source and measuring ). This method gives an error due to temperature drift of less than 0.01dB/50C. V 2. ofs can be measured at a single reference temperature. The drift error will be less than 0.25dB. V 3. ofs can either be characterized over temperature and stored in a lookup table, or it can be measured at two temperatures and a linear fit used to calculate at any temperature. This method gives an error close to the method #1.
Assembly Techniques
The backside of the MMIC chip is RF ground. For microstrip applications the chip should be attached directly to the ground plane (e.g. circuit carrier or heatsink) using electrically conductive epoxy[1]. For best performance, the topside of the MMIC should be brought up to the same height as the circuit surrounding it. This can be accomplished by mounting a gold plate metal shim (same length and width as the MMIC) under the chip which is of correct thickness to make the chip and adjacent circuit the same height. The amount of epoxy used for the chip and/or shim attachment should be just enough to provide a thin fillet around the bottom perimeter of the chip or shim. The ground plain should be free of any residue that may jeopardize electrical or mechanical attachment. The location of the RF bond pads is shown in Figure 12. Note that all the RF input and output ports are in a Ground-Signal configuration. RF connections should be kept as short as reasonable to minimize performance degradation due to undesirable series inductance. A single bond wire is normally sufficient for signal connections, however double bonding with 0.7 mil gold wire or use of gold mesh[2] is recommended for best performance, especially near the high end of the frequency band.
Notes: 1. Ablebond 84-1 LM1 silver epoxy is recommended. 2. Buckbee-Mears Corporation, St. Paul, MN, 800-262-3824
The RF ports are AC coupled at the RF input to the first stage and the RF output of the final stage. No ground wired are needed since ground connections are made with plated through-holes to the backside of the device.
8
Vg 0.1F 68pF
Vd 0.1F Detector_Output
Vg RFI RFInput Vg
Vd AMMC-6345 Vd
DET_O RFOutput RFO DET_R
0.1F V g(Optional )
Figure 13. AMMC-6345 Assembly diagram
68pF
0.1F
Detector_Reference Notes: 1mF capacitors on gate and drain lines not shown required.
0.25 Det_R - Det_O [V] 0.2 0.15 0.1 0.05 0 5 10 15 Pout[dBm] 20 25
1
0.1
0.01
0.001
Figure 14. AMMC-6345 Typical Detector Voltage and Output Power, Freq=40 GHz
Det_R - Det_O [V]
Ordering Information:
AMMC-6345-W10 = 10 devices per tray AMMC-6345-W50 = 50 devices per tray
For product information and a complete list of distributors, please go to our web site: www.avagotech.com Avago, Avago Technologies, and the A logo are trademarks of Avago Technologies,Limited in the United States and other countries. Data subject to change. Copyright (c) 2006 Avago Technologies Limited. All rights reserved. Obsoletes 5989-4329EN AV02-0048EN - December 20, 2006
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