UPB1007K datasheet(6/9 Pages) CEL

6 / 9 page

Pin No.

Symbol

Function and Application

Internal Equivalent Circuit

XO2

XO1/REFin

VCC

(Ref Block)

GND

(Ref Block)

2nd IFout

VCC

2ndIFAMP

2ndIF bypass

2ndIFin2

2ndIFin1

GND

(2ndIF AMP)

IF MIXout

VCC (IF MIX)

PIN FUNCTIONS

Output pin from IF mixer. IF mixer output

signal goes through gain control amplifier

before this emitter follower output port.

Bypass pin of 2nd IF amplifier input. This

pin should be grounded via a capacitor.

Pin 2 of 2nd IF amplifier input. This pin

should be grounded via a capacitor.

Supply voltage pin of IF mixer, gain control

amplifier.

Pin 1 of 2nd IF amplifier input . 2nd IF filter

can be inserted between 26 & 28.

Ground pin of 2nd IF amplifier.

Differential crystal oscillator input.

Differential crystal oscillator input. If

crystal oscillator is not used, this pin can

be used as an input pin of the reference

frequency buffer. This pin should be

equipped with an external 16.368 MHz

oscillator (e.g. TCXO).

Supply voltage pin of output charge pump

of the crystal oscillator.

Ground pin of the crystal oscillator,

prescaler, phase detector and VCO.

Output pin of 2nd IF amplifier. This pin

output 4.092 MHz clipped sinewave. This

pin should be equipped with external

inverter to adjust level to next stage on

user's system.

Supply voltage pin of 2ndIF amplifier

UPB1007K

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