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U2750B-A

Features: 8.5 V supply voltageRF frequency range 70 to 260 MHzTwo identical mixers, selectable by bandswitch inputBalanced mixer input, balanced mixer output (open collector)Four pin voltage controlled oscillatorBalanced LO output for PLLSAW filter driver with low impedance outputPower measurement...

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U2750B-A: Features: 8.5 V supply voltageRF frequency range 70 to 260 MHzTwo identical mixers, selectable by bandswitch inputBalanced mixer input, balanced mixer output (open collector)Four pin voltage control...

U2750B-A Data Sheet

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Part Number:
U2750B-A
Supply Ability:
5000

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  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

8.5 V supply voltage
RF frequency range 70 to 260 MHz
Two identical mixers, selectable by bandswitch input
Balanced mixer input, balanced mixer output (open collector)
Four pin voltage controlled oscillator
Balanced LO output for PLL
SAW filter driver with low impedance output
Power measurement and generation of AGC voltage by charge pump output
Three charge pump currents selectable (zero, low, high)
Voltage regulator for stable operating characteristics


Pinout

Connection Diagram


Specifications

Parameters Symbol Min. Typ. Max. Unit
Supply voltage                                               Pins 11 and 20 VS 0.3   9.5 V
Junction temperature Tj     +125 °C
Storage temperature Tstg 40   +125 °C
Ext. applied voltage at charge pump output Pin 1 VCP 0.4   6.9 V
Band switch input voltage                             Pin 3 VBDSW 0.3   6 V
NWAGC input voltage                                    Pin 14 VNWAGC 0.3   6 V
SLI input voltage                                           Pin 15 VSLI 0.3   6 V
differential input voltage of SAWdriver       Pins 16 and 17 VSWI     300 mVRMS
mixer output supply voltage                         Pin 19 VMXO 6.5   9.5 V
differential input voltage mixer A,B               Pins 22, 23, 24 and 25 VMXI     50 mVRMS



Description

The U2750B-A is a monolithically integrated tuner circuit fabricated in TEMIC's advanced UHF5S technology. U2750B-A is designed for applications in DAB receivers it performs two selectable mixers, one VCO, a SAWfilter driver, an LO output buffer, a tri-state band switch and an AGC-voltage generation block.


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