U2794 TEMIC Semiconductors, U2794 Datasheet
U2794
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U2794 Summary of contents
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... TELEFUNKEN Semiconductors 1000 MHz Quadrature Demodulator Description U2794B silicon monolithic integrated circuit is a quadra- ture demodulator that is manufactured TELEFUNKEN’s advanced UHF technology. This demodulator features a frequency 70 – 1000 MHz, low current consumption, selectable Features D Supply voltage 5 V (typ.) D Very low power consumption 125 mW (typ.) ...
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... U2794B Pin Description IIX RFX QQX 95 10711 Electrostatic sensitive device, observe precautions for handling! Absolute Maximum Ratings Parameters Supply voltage Pins 5 and 6 Input voltage Pins 7, 8 and 17 Junction temperature Storage temperature range ...
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... PiLO –12 ZiLO VSWRLO LODCR 0.4 NF Pins 7 and 8 Pins 7 and 8 fiRF Pins 7 and 8 ICPHG ICPLG Pins 7 and 8 IIP2HG Pins 7 and 8 IIP3HG IIP3LG Pins 7 and 8 LOL Pins 7 and 8 ZiRF U2794B Typ. Max. Unit 5. 1000 MHz –10 –5 dBm ...
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... U2794B Electrical Characteristics Test conditions (unless otherwise specified System impedance fiLO = 950 MHz, PiLO = –10 dBm O Parameters Test Conditions / Pins I/O outputs Emitter follower dB-bandwidth Note 5 w/o external C Pins and 20 I/Q amplitude imbalance Pins and 20 I/Q quadrature error Pins and 20 ...
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... Test Circuit * optional for single ended tests (notice 3 dB bandwidth of AD620 transmission line function is required, connect pin 11 to GND. For high and low gain status GC’ switched to GND respectively to V Rev. A3: 23.08.1995 95 9842 Figure 1. U2794B 5 (11) ...
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... U2794B 250 450 650 LO Frequency ( MHz ) 95 9919 Figure 2. Typical VSWR frequency response of the LO input 10 0 –10 –20 –30 –40 –50 0 200 400 600 LO frequency ( MHz ) 95 10070 Figure 3. Typical suitable LO power range vs. frequency 6 (11) TELEFUNKEN Semiconductors 1050 ...
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... LO input, LO frequency from 100 MHz to 1100 MHz, marker: 950 MHz b: RF input, RF frequency from 100 MHz to 1100 MHz, marker: 950 MHz c: I/Q outputs, baseband frequency from 5 MHz to 55 MHz, marker: 25 MHz Rev. A3: 23.08.1995 0 –j U2794B –5j –2j 7 (11) ...
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... U2794B Board Layout 95 9854 8 (11) TELEFUNKEN Semiconductors Rev. A3: 23.08.1995 ...
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... CI, CIX, optional for ac-coupling at CQ, CQX baseband outputs CPDN 100 pF CGC 100 pF CPC 100 pF CNPC 100 pF GSW gain switch Rev. A3: 23.08.1995 U2794B 95 9853 Calibration Part CO, CS, CL 100 Conversion to Single Ended Output OP1, OP2 AD620 RG1, RG2 prog. gain, see datasheet, for 5.6 k ...
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... Z The board offers the following functions D The test circuit for the U2794B: – The supply voltage and the control inputs GC, PC and PD are connected via a plug strip. The control input voltages can be generated via external potentiome- ters; then the inputs should be ac–grounded (time requirements in burst– ...
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... TEMIC against all claims, costs, damages, and expenses, arising out of, directly or indirectly, any claim of personal damage, injury or death associated with such unintended or TEMIC TELEFUNKEN microelectronic GmbH, P.O.B. 3535, D-74025 Heilbronn, Germany Telephone 7131 67 2831, Fax number 7131 67 2423 Rev. A3: 23.08.1995 unauthorized use. U2794B 11 (11) ...