ML12502SLASHBCA datasheet(6/8 Pages) LANSDALE

6 / 8 page

LANSDALE Semiconductor, Inc.

ML12502

www.lansdale.com

Page 6 of 8

Issue 0

1.0 K

100.0

10.0

1.0

0.1

–50

fc, CARRIER FREQUENCY (MHz)

+40

+30

+20

+10

–10

–20

–30

–40

–60

fc, CARRIER FREQUENCY (MHz)

1.0 K

100.0

10.0

+40

+30

+20

+10

–10

–20

–30

–40

–50

–60

0.1

1.0

fc, CARRIER FREQUENCY (MHz)

10.0

100.0

1.0

100.0

10.0

1.0

0.1

0.0

1.0

2.0

3.0

4.0

0.1

fc, CARRIER FREQUENCY (MHz)

5.0

4.0

3.0

2.0

0.0

5.0

1.0

– 5.0 V

All input and output

cables to the scope are

equal lengths of 50-ohm

coaxial cable.

X 50

Atten.

Outputs

VEE

VCC

Null

Adjust

Reg.

Bypass

Mixer

Inputs

Local Oscillator

Inputs

1.0

µf

–

– 5.0 V

Hewlett

Packard

TEE 11536A

Hewlett Packard 3406A

Sampling Voltmeter

Hewlett Packard

651A 10 kHz

@ 150 mV R.M.S.

Hewlett Packard

651A and 3300B

100 kHz to 400 MHz

@ 30 mV RMS.

1.0

µf

0.1

µf

0.1

µf

1.0

µf

1.0

µf

Notes:

Test 1 – Adjust potentiometer for carrier null @ fc = 100 kHz

Test 2 – Connect pins 5 and 6 to –5.0 volts

Test 3 – Adjust potentiometer for carrier null @ 25

° C

Figure 5. Carrier Feedthrough versus Frequency

(Test 1)

Figure 6. Carrier Feedthrough versus Frequency

(Test 2)

Figure 7. Carrier Suppression Test Circuit

Figure 8. Carrier Suppression versus Frequency

(Test 1)

Figure 9. Carrier Suppression versus Frequency

(Test 2)

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