Test 1

3. colour ---- signal is sent on the back porch of HBP in colour TV
4. 5.5 MHz ---- circuit used to separate sound from picture
7. the receiving antenna used for black and white TV
10. gain and ---- of the receiver depends on IF stage
11. ---- which is related to picture quality is less in NTSC compared to PAL and SECAM
14. this circuit is used to remove amplitude variations in a black and white TV receiver
16. VSB ---- is used to equalize amplitudes of SBs
17. 1 frame is made up of 2 ----
19. Colour ---- circuit isolates chroma band pass amplifier during black and white transmission

1. ---- is used for impedance matching between twin lead wire and the TV
2. ---- modulation technique is used in TV, so that the noise should not appear as white spots
5. 4:3 is the ---- ratio used for black and white TV
6. type of polarization used in black and white TV
8. Frequency ---- is the principle used to fit colour signal in the bandwidth of black and white TV
9. 585 are the no. of ---- lines in a frame
12. ---- is used for sound signal modulation in SECAM
13. interlaced scanning is used to avoid ----
15. ----is not present between the 2 colour difference signals in SECAM
18. the colour receptors in human eye are ----
19. ---- AGC and delayed AGC are present in TV receiver