ML13135LP datasheet(4/11 Pages) LANSDALE

4 / 11 page

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Issue 0

LANSDALE Semiconductor, Inc.

ML13135

–130

RFin, RF INPUT (dBm)

48.0

1.0

VB, VARACTOR BIAS VOLTAGE (Vdc)

1400

–140

RF INPUT (dBm)

–100

RFin, RF INPUT (dBm)

0.5

VB, VARACTOR BIAS VOLTAGE, VPin24 to VPin 23 (Vdc)

Figure 2. Supply Current versus Supply Voltage

Figure 3. RSSI Output versus RF Input

Figure 4. Varactor Capacitance, Resistance

versus Bias Voltage

Figure 5. Oscillator Frequency

versus Varactor Bias

Figure 6. Signal Levels versus RF Input

6.0

VCC, SUPPLY VOLTAGE (V)

Figure 7. Signal + Noise, Noise, and

AM Rejection versus Input Power

RFin = 49.7 MHz

fMOD = 1.0 kHz

fDEV = ± 3.0 kHz

5.0

4.0

3.0

2.0

1.0

2.0

3.0

4.0

5.0

6.0

7.0

8.0

VCC = 4.0 V

RFin = 49.67 MHz

fMOD = 1.0 kHz

fDEV = ± 3.0 kHz

1200

1000

800

600

400

200

–120

–100

– 80

– 60

– 40

– 20

CP, f = 150 MHz

5.0

1.0

1.5

2.0

2.5

3.0

3.5

4.0

8.0

6.0

4.0

2.0

47.5

47.0

46.5

46.0

45.5

45.0

RP, f = 50 MHz

CP, f = 50 MHz

RP, f = 150 MHz

2.0

3.0

4.0

5.0

6.0

– 90

– 80

– 70

– 60

– 50

– 40

– 30

– 20

–10

–30

–50

– 70

First Mixer Output

First Mixer Input

–110

– 90

– 70

– 50

– 30

–10

– 20

– 30

– 40

– 50

– 60

– 70

S + N

S + N 30% AM

VCC = 4.0 Vdc

RFin = 49.67 MHz

fMOD = 1.0 kHz

fDEV = ± 3.0 kHz

5.0 p

0.61

µH

1st LO

Varicap

500 p

1.0 M

Ω

0.2

µF

27 p

Second Mixer Output

Second Mixer Input

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