Wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

STEPS IN ALIGNING RECEIVERS

Total questions: 20

Worksheet time: 5mins

Name
Class
Date
1.

OK or NOT OK: The signal generator is to be tuned to the very high frequency (VHF) of the radio receiver.

a)

OK

b)

NOT OK

2.

OK or NOT OK: The signal generator should be kept in the internal modulation position. The modulation depth should be adjusted to 30% or above.

a)

OK

b)

NOT OK

3.

OK or NOT OK :The attenuator is to be adjusted to a maximum value.

a)

OK

b)

NOT OK

4.

OK or NOT OK: The intermediate frequency (IF) signal is to be applied to the collector of the second intermediate frequency (IF) amplifier through the 0.1 μF capacitance capacitor.

a)

OK

b)

NOT OK

5.

OK or NOT OK: The intermediate frequency (IF) signal should be shifted to the second intermediate frequency (IF) modulator base.

a)

OK

b)

NOT OK

6.

OK or NOT OK: The same procedure is to be repeated at the collector and base of the first intermediate frequency (IF) amplifier. The cores of the corresponding        intermediate frequency (IF) transformer is to be adjusted for maximum output in the power output meter.

a)

OK

b)

NOT OK

7.

OK or NOT OK: The signal should be shifted now to the base of the frequency converter    transistor. In this case, the attenuator is to be kept in the minimum position. Now, adjustment of the core of the intermediate frequency (IF) transformer in the collector of the frequency converter should be adjusted to get maximum response.

a)

OK

b)

NOT OK

8.

OK or NOT OK: A reasonable 800 Hz note will be heard from the speaker showing the receiver’s sensitivity for intermediate frequency (IF).

a)

OK

b)

NOT OK

9.

OK or NOT OK: The alignment of the intermediate frequency (IF) stages should be repeated not more than twice to finally arrive at the correct setting.

a)

OK

b)

NOT OK

10.

OK or NOT OK: Once arrived at the final setting, the cores are to be sealed to prevent tampering of cores by the user.

a)

OK

b)

NOT OK

11.

The signal generator is to be tuned to the ____________ of the radio receiver.

a)

30% or above

b)

IF

c)

attenuator

d)

modulation

12.

It should be kept in the internal modulation position. The modulation depth should be adjusted to ____________.

a)

attenuator

b)

30% or above

c)

IF

d)

400Hz

13.

____________ is to be adjusted to minimum value.

a)

Medium wave

b)

Attenuator

c)

IF

d)

Modulation

14.

The intermediate frequency (IF) signal is to be applied to the collector of the second intermediate frequency (IF) amplifier, through the ____________ capacitance capacitor. The attenuator should be adjusted to get a convenient reading in the power output meter. Then, the core of the second intermediate frequency (IF)  transformer should be adjusted to get a maximum reading in the power output meter.

a)

0.1 mF

b)

10mF

c)

100mF

d)

1000mF

15.

The intermediate frequency (IF) signal should be shifted to the base of the second intermediate frequency (IF) amplifier. An improvement in the output should be indicated by the power output meter due to the gain of the amplifier. The core should be adjusted to get the ______________.

a)

minimum output

b)

maximum output

16.

The same procedure is to be repeated at the collector and base of the first          intermediate frequency (IF) amplifier. The cores of the corresponding        intermediate frequency (IF) transformer are to be adjusted for maximum output       in the ____________.

a)

standard signal generator

b)

power output meter

17.

Signals should be shifted now to the base of the ____________. In this case, the  attenuator is to be kept in the minimum position. Now, adjustment of the core of  the intermediate frequency (IF) transformer in the collector of the frequency  converter should be adjusted to get maximum response.

a)

frequency converter transistor

b)

NPN transistor

c)

PNP transistor

d)

transformer

18.

Finally, the radio frequency (RF) probe must be kept short from the ferrite antenna.     The power output meter is to be disconnected, and the loudspeaker is to be      connected. A reasonable ____________ note will be heard from the speaker   showing the receiver’s sensitivity for intermediate frequency (IF).

a)

200Hz

b)

400Hz

c)

600Hz

d)

800Hz

19.

The alignment of the intermediate frequency (IF) stages should be repeated       ____________ to finally arrive at the correct setting.

a)

1-2 times

b)

2-3 times

c)

3-4 times

d)

4-5 times

20.

Once arrived at the final setting, the cores are to be sealed to prevent _____________     of the cores by the user.

a)

tampering

b)

tracking

c)

aligning

d)

thinking