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PDF AMMP-6532 Data sheet ( Hoja de datos )
| Número de pieza | AMMP-6532 | |
| Descripción | 20-32 GHz GaAs MMIC LNA/IRM Receiver | |
| Fabricantes | AVAGO | |
| Logotipo |  |
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AMMP-6532
20-32 GHz GaAs MMIC LNA/IRM Receiver
in SMT Package
Data Sheet
Description
Avago Technologies’ AMMP-6532 is an easy-to-use
broadband integrated receiver in a surface mount
package. The MMIC includes a 4, -stage LNA to provide
gain amplification and a gate-pumped image-reject mixer
for frequency translation. The overall receiver performs
Single Side Band down-conversion in the 20 to 32 GHz RF
signal range. The LO and RF are matched to 50Ω. The IF
output is provided in 2-port format where an external 90-
degree hybrid can be utilized for full image rejection. The
LNA requires a 3V, 83mA power supply, where the mixer
bias is a simple –1V, 0.1mA. The MMIC is fabricated using
PHEMT technology. The surface mount package allows
elimination of “chip & wire” assembly for lower cost. This
MMIC is a cost effective alternative to multi-chip solution
that have higher loss and complex assembly.
Pin Connections (top View)
IF1 NC
12
IF2
3
RF 8
76
Vdd NC
Top view
Package base: GND
5
Vg
4 LO
Pin Function
1 IF1
2 NC
3 IF2
4 LO
5 Vg
6 NC
7 Vdd
8 RF
Note:
1. This MMIC uses depletion mode pHEMT devices.
2. Negative supply is used for mixer bias.
Features
• Surface Mount Package (5.0 x 5.0 x 1.25 mm)
• Integrated Low Noise Amplifier
• Integrated Image Reject Mixer
• 50 Ω Input and Output Match
• Single Supply Bias Pin
Specifications Vd=3.0V (83mA), Vg=-1.0V (0.1mA)
• RF Frequency: 20 to 32 GHz
• IF frequency: 1 to 5 GHz
• Conversion Gain (RF/IF): 13dB
• Input Intercept Point: -4dBm
• Image Supression: > 15 db
• Total Noise Figure: 3 dB
Applications
• Microwave Radio systems
• Satellite VSAT, DBS Up/Down Link
• LMDS & Pt-Pt mmW Long Haul
• Broadband Wireless Access
(including 802.16 and 802.20 WiMax)
• WLL and MMDS loops
Attention: Observe Precautions for
handling electrostatic sensitive devices.
ESD Machine Mode (Class A): 50V
(Class 0): 150V
ESD Human Body Model (Class 1A)
Refer to Avago Application Note A004R:
Electrostatic Discharge Damage and Control.
1 page  
10 5
0
-10
-20
-30 15
25C
-40C
85C
20 25 30
Frequency (GHz)
35
4
3
2
25C
1 -40C
85C
020 22 24 26 28 30 32
Frequency (GHz)
Figure 15. Return Loss at LO over Temp
Figure 16. Noise Figure over Temp
AMMP-6532 Application and Usage
Biasing and Operation
The AMMP-6532 is normally biased with a positive drain
supply connected to the VDD pin and a negative gate
voltage connected to the Vg pin through bypass ca-
pacitors as shown in Figure 17. The recommended drain
supply voltage is 3 V and gate bias voltage is -1V. The cor-
responding currents are 83mA and 0.1mA respectively.
The typical required LO level is +15dBm and it should
come from a low noise driver to ensure that overall Front
End NF is low.
The image rejection performance is dependent on the
selection of the IF quadrature hybrid. The performance
of the IF hybrid as well as the phase balance and VSWR
of the interface to the AMMP-6532 will affect the overall
front end performance. It should be noted that the
placement of the external IF Hybrid coupler should be as
symmetrical as possible in regard to the two IF outputs to
obtain optimal performance.
The NF will be lowest when the IF hybrid’s phase and
magnitude imbalance are smallest since noise from
image signal is greatly rejected.
Theoretically, IF frequencies can be as low as DC.
However, when direct conversion is used (IF=DC), a so-
called phenomenon DC-offset could occur at the two IF
outputs. In most practical applications, IF should be more
than a few hundreds KHz to avoid DC-offset correction.
Refer the Absolute Maximum Ratings table for allowed
DC and thermal condition.
RF
LSB USB
IF IF
LO
1000pF Vdd
Vdd NC
1000pF Vg
Vg
RF
LO
+1L5OdBm
IF1
LSB
NC 1-3I.5FGHz
IF2
USB
TOP VIEW
PACKAGE BASE: GND
LSB USB
RF
IF IF
LO
cos (LO-IF)
cos (LO+IF)
cos (-IF) = cos (IF)
cos (IF)
LO cos (LO)
LSB: cos (IF) + cos (IF)
USB: cos (IF) - cos (IF) = 0
sin (LO-IF)
sin (LO+IF)
sin (-IF) = - sin (IF)
sin (IF)
LSB: sin (IF) - sin (IF) = 0
USB: sin (IF) + sin (IF)
using:
2 cos a cos b = cos (a - b) + cos(a + b)
2 sin a cos b = sin (a + b) + sin (a - b)
and ignoring (a + b) terms
when delayed by 90deg:
sin x = - cos x
cos x = sin x
- sin x = cos x
- cos x = - sin x
Figure 17. Application of Receiver with IF Balun
Figure 18. Theory of Harmonic Rejection
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet AMMP-6532.PDF ] | |
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