TA1231 データシートの表示（PDF） - Toshiba

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TA1231

TOSHIBA BIPOLAR LINEAR INTEGRATED CIRCUIT SILICON MONOLITHIC

Toshiba 

TA1231F,TA1231FN

TEST CONDITIONS

Note 1:

Note 2:

Note 3:

Note 4:

Conversion Gain Shift

Measure conversion gain change when VCC±10% with input level = −50dBmW, VCC = 9V as the

reference.

Frequency Shift

Measure frequency change when VCC±10% with input level = −40dBmW, VCC = 9V as the reference.

Switching On Drift

Measure frequency change up to 3 minutes with the frequency at 2 seconds after switching on, as the

reference. (Input level : −30dBmW)

1% Cross Modulation

z fD = fp fD : Input level = −30dBmW

z fUD = fD+12MHz 100kHz, 30% AM.

Input the two signals above, and increase the fUD input level.

Measure the fUD input level when the suppression level reaches 56.5dB.

(Averaging 10 times using a spectrum analyzer.)

Note 5:

Inter Modulation

z fD = fp

z fUD = fD+1MHz

Input the two signals above, and increase the input levels.

When the IF output level is −11dBmW, measure the suppression level.

(Averaging 10 times using a spectrum analyzer.)

2001-02-23 7/12

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