MC1648

HIPERCOMM

BR1334 — Rev 4

3

MOTOROLA

Figure 2. Spectral Purity of Signal Output for 200MHz Testing

B.W. = 10 kHz

Center Frequency = 100 MHz

Scan Width = 50 kHz/div

Vertical Scale = 10 dB/div

0.1

µF

1200*

C

L

10

12

5

0.1

µF

3

SIGNAL

UNDER

TEST

10

µF

0.1

µF

1

14

L=40nH

C=10pF

+5.0Vdc

L: Micro Metal torroid #T20–22, 8 turns #30 Enameled Copper wire.

C = 3.0–35pF

* The 1200 ohm resistor and the scope termination impedance constitute a 25:1

attenuator probe. Coax shall be CT–075–50 or equivalent.

TEST VOLTAGE/CURRENT VALUES

@ Test

Temperature

(Volts)

mAdc

Temperature

VIHmax

VILmin

VEE

IL

MC1648

–30

°C

–3.2

–3.7

–5.2

–5.0

+25

°C

–3.35

–3.85

–5.2

–5.0

+85

°C

–3.5

–4.0

–5.2

–5.0

Note: SOIC “D” package guaranteed –30

°C to +70°C only

ELECTRICAL CHARACTERISTICS (Supply Voltage = –5.2V)

–30

°C

+25

°C

+85

°C

Symbol

Characteristic

Min

Max

Min

Max

Min

Max

Unit

Condition

IE

Power Supply Drain Current

–

–

–

41

–

–

mAdc

Inputs and outputs open

VOH

Logic “1” Output Voltage

–1.045

–0.815

–0.96

–0.75

–0.89

–0.64

Vdc

VILmin to Pin 12, IL @ Pin 3

VOL

Logic “0” Output Voltage

–1.89

–1.65

–1.85

–1.62

–1.83

–1.575

Vdc

VIHmax to Pin 12, IL @ Pin 3

VBIAS1

Bias Voltage

–3.6

–3.3

–3.75

–3.45

–3.9

–3.6

Vdc

VILmin to Pin 12

Min

Typ

Max

Min

Typ

Max

Min

Typ

Max

Unit

Condition

VP–P

Peak–to–Peak Tank Voltage

–

–

–

–

400

–

–

–

–

mV

See Figure 3

Vdc

Output Duty Cycle

–

–

–

–

50

–

–

–

–

%

fmax2

Oscillation Frequency

–

225

–

200

225

–

–

225

–

MHz

1. This measurement guarantees the dc potential at the bias point for purposes of incorporating a varactor tuning diode at this point.

2. Frequency variation over temperature is a direct function of the

∆C/∆ Temperature and ∆L/∆ Temperature.