U2796B-MFP Atmel, U2796B-MFP Datasheet

IC 2.0GHZ SINGLE-BAL MIXER 8SOIC

U2796B-MFP

Manufacturer Part Number
U2796B-MFP
Description
IC 2.0GHZ SINGLE-BAL MIXER 8SOIC
Manufacturer
Atmel
Series
U2796r
Datasheet

Specifications of U2796B-MFP

Rf Type
Cellular, CT1, CT2, DECT, PCN, UHF
Frequency
2GHz
Number Of Mixers
1
Gain
9dB
Noise Figure
9dB
Current - Supply
3.7mA
Voltage - Supply
2.7 V ~ 5.5 V
Package / Case
8-SOIC (0.154", 3.90mm Width)
Operating Temperature (min)
-40C
Operating Temperature (max)
85C
Operating Temperature Classification
Industrial
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Secondary Attributes
-
Lead Free Status / Rohs Status
Not Compliant
2-GHz Single-Balanced Mixer
Description
The U2796B-FP is a 2-GHz down-conversion mixer for
telecommunication systems, e.g. cellular radio, CT1,
CT2,
Microcontrollers’ advanced bipolar UHF technology.
The U2796B is well suited for the receiver portion of the
RF circuit. Single-balanced structure has been chosen for
Features
D Supply-voltage range: 2.7 V to 5.5 V
D Excellent isolation characteristics
D Low current consumption: 3.2 mA without R
D IIP3 programmable
D Input frequency operating range up to 2 GHz
D RF characteristic nearly independent of
Block Diagram
Ordering Information
Rev. A3, 10-Oct-00
supply voltage
Extended Type Number
DECT,
U2796B-MFPG3
U2796B-MFP
PCN,
using
BP
RF
Atmel
C
I
3
2
6,8
Wireless
control loop
Duty cycle
Figure 1. Block diagram
LO
7
Package
Buffer
Mixer
IP3
i
SO8
SO8
&
best noise performance and low current consumption.
The IIP3 is programmable.
Electrostatic sensitive device.
Observe precautions for handling.
Benefits
D Stand-alone product
D Low current consumption extends talk time
D 3-V operation requires only small space for batteries
regulator
Voltage
V
1
S
Tube
Taped and reeled
5
4
IF O
IF
O
93 7758 e
Remarks
U2796B
1 (10)

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U2796B-MFP Summary of contents

Page 1

... D Input frequency operating range GHz D RF characteristic nearly independent of supply voltage Block Diagram Ordering Information Extended Type Number U2796B-MFP U2796B-MFPG3 Rev. A3, 10-Oct-00 best noise performance and low current consumption. The IIP3 is programmable. Wireless & Electrostatic sensitive device. Observe precautions for handling. Benefits D Stand-alone product ...

Page 2

... U2796B Pin Description 7820 e Figure 2. Pinning Absolute Maximum Ratings Parameters Supply voltage Pin 1 Input voltage Pins and 7 Junction temperature Storage temperature Operating Range Parameters Supply-voltage range Pin 1 Ambient temperature Thermal Resistance Parameters Junction ambient SO8 Electrical Characteristics Test conditions (unless otherwise specified): ...

Page 3

... Pin Pins 4 and 5 Z oIF NF 50 Pin 7 VSWR –1 –4 –7 2000 1600 1 93 7827 e Figure 4. Third-order input intercept IIP3 point versus I U2796B Typ. Max. Unit –35 dBm 2000 MHz 2000 MHz 300 MHz –15 dBm –4 dBm –6 0 dBm 25 ...

Page 4

... RF generator 958.55 MHz 2 Figure 6. Test circuit conversion power gain (PG 4 (10 buffer 7759 e Figure 5. Mixer circuitry LO i –10 dBm U2796B IP3 ) and 3rd-order input intercept point (IIP3 900 MHz LO LO generator Spectrum N analyzer Hp 70908 7760 e Rev. A3, 10-Oct-00 ...

Page 5

... Spectrum analyzer generator NWA Rev. A3, 10-Oct- – 10 dBm U2796B Figure 7. Test circuit isolation Power splitter –15 to –5 dBm U2796B –26 dBm IP3 Figure 8. Test circuit isolation U2796B LO generator NWA 7762 e 5 (10) ...

Page 6

... U2796B 8 U2796B Noise source RF i Note: 1. The noise floor of the LO generator might influence the noise figure test result. In order to avoid this, either a bandpass or a highpass filter with output network does not provide sufficient suppression of the LO component, a lowpass filter should be inserted to avoid overdriving the noise figure meter. ...

Page 7

... Rev. A3, 10-Oct-00 Figure 10. S11 RF input impedance Figure 11. S11 LO input impedance U2796B 7 (10) ...

Page 8

... LC circuits save space and are suitable for higher IF frequencies. When applying one of these solutions, it has to be checked whether the requirements on noise fi- gure and gain can be achieved. The second circuit was dimensioned for approximately 130 MHz and a load resistance If, for instance, 8 (10 U2796B IP3 V S Figure 12. Application circuit ...

Page 9

... Evaluation Board Figure 14. Evaluation board with application circuit Package Information Package SO8 Dimensions in mm 0.4 1. Rev. A3, 10-Oct-00 n. IP3 i 5.2 4.8 5.00 4.85 3.7 1.4 0.25 3.8 0.10 6.15 3.81 5.85 5 technical drawings according to DIN specifications 4 U2796B 93 7826 e 0.2 13034 9 (10) ...

Page 10

... U2796B Ozone Depleting Substances Policy Statement It is the policy of Atmel Germany GmbH to 1. Meet all present and future national and international statutory requirements. 2. Regularly and continuously improve the performance of our products, processes, distribution and operating systems with respect to their impact on the health and safety of our employees and the public, as well as their impact on the environment ...

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