UPB1007K データシートの表示（PDF） - California Eastern Laboratories.

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UPB1007K

3 V DUAL DOWNCONVERTER AND PLL FREQUENCY SYNTHESIZER

California Eastern Laboratories. 

UPB1007K

PIN FUNCTIONS

Pin No.

Symbol

Function and Application

18

XO2

Differential crystal oscillator input.

19

XO1/REFin

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).

20

VCC

Supply voltage pin of output charge pump

(Ref Block)

of the crystal oscillator.

21

GND

Ground pin of the crystal oscillator,

(Ref Block)

prescaler, phase detector and VCO.

22

2nd IFout

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.

23

VCC

2ndIFAMP

Supply voltage pin of 2ndIF amplifier

24 2ndIF bypass Bypass pin of 2nd IF amplifier input. This

pin should be grounded via a capacitor.

25

2ndIFin2

Pin 2 of 2nd IF amplifier input. This pin

should be grounded via a capacitor.

26

2ndIFin1

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

can be inserted between 26 & 28.

27

GND

Ground pin of 2nd IF amplifier.

(2ndIF AMP)

28

IF MIXout

Output pin from IF mixer. IF mixer output

signal goes through gain control amplifier

before this emitter follower output port.

Internal Equivalent Circuit

29

VCC (IF MIX) Supply voltage pin of IF mixer, gain control

amplifier.

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