1983 - 1987 CQ-TV 121 to CQ-TV 140

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Issue 121 February 1983
Article Page
1GHz oscillator 14
24cm notes 41
Character memory 43
Colour caption keyer 8
Colour subcarrier phasing display 36
Composite colour on the BBC micro 7
FM TV 38
Gamma and AGC control 45
Handbook vol.2 notes 41
New ATV books 19
PAL and SECAM 39
TV receiver 32
TV repeaters 17
TV reporting chart 30
TVI (filter) 27
The Grant Dixon award 39
Tribute to Grant Dixon 21
Issue 122 May 1983
Article Page
70cm code of practice 30
70cm transmitter 20
An FM-TV receiver I.F. 6
Coaxial connectors (BNC) 34
Colour subcarrier distribution amp 16
Computer generated test card 25
El-cheapo telecine 32
The helix on 1.3GHz 39
USA ATV society 43
Issue 123 August 1983
Article Page
30 years ago - a look back 41
70cm linear amplifier 29
Book review - RSGB VHF/UHF Manual 26
Coaxial connectors (BNC) 21
Field sync detector and delay cct 20
Handbook 2 notes and corrections 42
Lincoln Hamfest 11
NBTV - what is it 12
PAL coder 7
Show roundup (BATC show 1983) 24
Specification for 1240/1325MHz TV repeaters 34
TX-9 notes 40
Teletext terminal 16
The things you write 15
Issue 124 November 1983
Article Page
Baird museum 55
Budget spectrum analyzer 27
Callsign insert 5
Circuit notebook - coax cable 44
Coalville gala 46
Coaxial connectors (PL259) 19
Colour bar generator 52
Handbook 2 notes 49
Monitor conversion 16
Printed circuits explained 22
Quality video from the BBC micro 34
TV alarm 47
TV scanner 53
The ’big sync’ modulator 32
The handbook coder re-visited 54
Video modulator 45
Wire-line for microwaves 8
Issue 125 February 1984
Article Page
3MHz video filter design 34
BBC test card program 20
Brighten up your image - part 1 6
Circuit notebook - ZNA234 chip 31
Coaxial connectors (’N’ series) 41
DX-ATV? 32
Dividing by ’N’ with CD4040 14
SSTV scan converter 39
TVs for monitors 22
TX/RX timing system 37
The ’Q-studio’ show 16
Universal 19
Video out from a ’RF’ only micro 30
Issue 126 May 1984
Article Page
Alinco EC-270 scan converter 16
Another FM demodulator for microwaves 48
Biasing the 2C39 27
Book review - Amateur TV Q&A 50
Brighten up your image - part 2 44
Coaxial connectors (’SMA’ series) 24
Colour subcarrier - locked or unlocked? 30
DC conversion for ’Mains’ cameras 17
Ferguson TX-9 TV conversions 30
Home counties ATV meeting 51
Ideas for 1.3GHz 14
Microwave stub tuning 52
More colour bars 21
NBTVA - newsletter resume 41
TV repeaters 8
The MC1377 colour encoder 42
Vertical sync processor 23
Issue 127 August 1984
Article Page
1.3GHz notes 52
1984 General meeting 41
24cm colinear aerial 15
70 & 24 - what is the difference? 23
BATC 1984 Convention 11
Brighten up your image - part 3 20
Burst locked subcarrier oscillator 48
IRAC region 1 conference report (Sicily) 46
In the Studio - part 1 26
John Logie Baird remembered 37
Mods to G3WCY SSTV scan converter 6
Portable 50Hz power supply 58
Simple sync pulse generator 43
Three gems for 24cm 62
West German ATV convention 55
Issue 128 November 1984
Article Page
24cm Trade news 55
CQ-TV equipment review 48
Carnival broadcast 56
Character generator keyboard 16
Coaxial connectors (’SMB/SMC/SMD’ series) 31
FM deviation calibrator 25
In the Studio - part 2 35
Mini aerial for 24cm 53
Monitor TV conversion 23
Narrow-band IF filter 13
Software notebook - BBC colour bars, BATC logo 54
Some notes on SSTV 7
Sound sense 58
TV for Harefield 62
Yet another grey scale generator 60
Issue 129 February 1985
Article Page
24cm Radar suppression 59
ATV repeater - GB3CT 17
An alternative to Genlock 58
BATC at Scottish convention 21
Equipment reviews (24cm) 22
GaAsFET pre-amplifier for 1.3GHz 51
Goodbye 405 lines 64
Moray Firth ATV 41
Project 100 Colour gunlock 18
SSTV Transmit converter 7
Software notebook - BBC big text display 60
Some notes on SSTV - part 2 42
Sync processor 32
The good old days - part 1 56
Trade news 62
Video operated relay 27
Issue 130 May 1985
Article Page
Cheering up the Pye Lynx 14
Circuit notebook - D to A conversion 13
G4ENA SSTV TX auxiliary board 16
How high is low? 73
Ideas for an FM TV transmitter 50
In the Studio - part 3 26
Interfacing the Spectrum 42
Literature received 48
Passive repeaters 54
Queensland ATV award 67
SSTV in the UK 55
SSTV standards 74
Simple Genlock unit 68
Single chip colour encoder 8
Software notebook - Commodore 64 40
Spectrum BATC logo program 72
Sync separator 38
The EPIC - TV shooting script 37
The good old days - part 2 11
Issue 131 August 1985
Article Page
1.3GHz power amplifier 16
70cm RF probe 70
AGAF convention 40
Circuit notebook - Sync processor 38
Coax adapter 43
Colour on a ZNA234 32
DB0DP to DB0TT - German repeater group 81
G3WCY SSTV scan converter update 25
GB3VR - the Worthing repeater 28
How to avoid spots before the eyes 57
In the Studio - part 4 63
JVL 1.3GHz Loopquad 55
Monitor Conversion for Thorn TX-90 7
Pre-emphasis for FM-TV 74
Software notebook - BATC logo for BBC-B 46
Synchronising Micros and VTRs 77
The 1985 BATC rally 34
The perils of GB3GV 61
Troughline for 24cm 22
Tuning the ELC1043 44
Variations on a vision switcher 72
Issue 132 November 1985
Article Page
’ere turn your dev’ down a bit! 33
ATV threatened in the USA 19
An FM-TV generator 10
Camera connectors 58
Cheap aerial for 1.3GHz 48
Computer Graphics mixing system 6
Custom designed FM-TV video strip 52
Go/no-go crystal tester 56
In the Studio - part 5 21
Modifying the Sony HVS2000 video mixer 15
Notes on a video processing amplifier 65
Repeaters and things 60
Software notebook - VTR clock for BBC-B 49
South Australian ATV 57
Stripline filter for 1.3GHz 34
Switch-mode PSU 47
Television 1873 – 1927 18
Tuneable sound demodulator 31
Issue 133 February 1986
Article Page
24cm FM-TV transmitter 8
70cm coaxial collinear 62
Bruch blanking 56
CQ-TV magazine - how it is produced 34
DRAE slow scan system 28
G9AED remembered 32
In front of the tube - part 1 – optics 64
Modifying the Sony HVS2000 video mixer 40
One in, three out. Buffer amp 26
Phone line video 60
Robot and Wrasse (SSTV) 21
Simple, cheap plating methods for VHF 67
Teletron as a TV typewriter 48
US - ENG on 70cm? 24
US videophiles 46
Where are they now? 54
Issue 134 May 1986
Article Page
70cm or 24cm PA 14
BATC on Prestel 66
Colour sync pulse generator 52
G4ENA - SSTV extra 50
How wide is wide? (A video filter for 70cm) 20
In front of the tube - part 2 47
In the Studio – feedback 26
New FM-TV modules 11
New PAL coder 60
Pulse distribution amplifier 70
Software notebook - BBC caption generator 38
Square one - part 1 (for novices) 6
Teletron (the continuing story) 68
The "Carascanner" - OB scanner van 56
Video modulating the PYE pocketphone 34
Issue 135 August 1986
Article Page
24cm jottings 44
Band scan display 60
Colour from a ’no colour’ shack 80
Frequency converter for mathematical PAL 68
Handbook 2 character colouriser notes 42
Horizontal or Vertical? (aerials) 48
In front of the tube - part 3 64
New video switches 76
Radio microphone 47
Report on the BATC 1986 show 28
SSTV - Some notes and observations 26
Skycam 83
Software notebook - video testing on BBC 40
Square one - part 2 50
TVRO receiver 8
The PNP/NPN as an output pair 34
The YAESU FRG9600 for television 56
Why FM-TV for microwaves 53
Issue 136 November 1986
Article Page
10GHz transceiver 8
70cm VSB filter 42
ATV repeater news 32
Building your satellite TV receiver 52
In front of the tube - part 4 46
Kits, chips, and things 66
Modifying the ROBOT-400 14
New TVRO dish 60
Processing amplifier 74
SSTV - Wrasse pictures on the ROBOT 1200 69
SSTV on the ORIC 80
Satellite TV news 18
Sony camera remote control 64
Square one - part 3 77
TV cookery - tuning a magnetron 62
Tuneable sound demodulator for Sat. TV 50
Universal sync re-processor 24
Video enhancer 7
W&D 1240TVT on test 81
Wideband opto-coupler 21
Issue 137 February 1987
Article Page
10GHz transceiver 42
CQ-TV award (description) 63
Camtech 1.3GHz pre-amplifier 24
Circuit notebook - Black & burst generator 68
Cursor for SSTV keyboards 76
In front of the tube - part 5 78
International organisation for ATV, EATWG 12
SSTV - new standards for old monitors 71
SSTV on the BBC computer - part 1 51
Satellite TV news 40
Scanning & Syncs explained - part 1 7
Software notebook - BATC logo on TRS80 74
Solent kits are back (24cms ATV) 66
Spectrum computer RAM checker 82
Teletron - Spectrum computer link 57
Teletron extra (EPROM programmer prog.) 61
The G-11 TV chassis on 70cm 16
Tuning the G3YQC 24cm down converter 28
Video enhancers, do they always enhance? 64
Where on 10GHz. (band plan) 47
Issue 138 May 1987
Article Page
15W solid state power amp for 24cm 12
24cm - What gear? 66
50Hz frequency standard 25
An alternative colour encoder 75
Digital frame store 36
Experimenters corner, FM TV demodulator 79
Genlocking the ’Handbook 2’ colour coder 72
In front of the tube - part 6 56
Mechanical camera for SSTV & NBTV 54
Our repeater. GB3VR 50
SSTV on the BBC computer - part 2 60
Scanning & Syncs explained - part 2 38
Software notebook - Aerial design (Spectrum) 71
Specmanship - part 1 - the Decibel 22
The simplest pattern generator 34
UHF aerial distribution amplifier 31
Understanding Prestel 26
Vogad amplifier for intercarrier sound 46
Issue 139 August 1987
Article Page
70cm pre-amplifiers 72
ATV software 10
BATC ’87 rally report 25
Colorise the Cropredy Test Card 20
Downstream Keyer 29
Grey/Colour bars for the ’WCY scan conv.’ 38
In front of the tube - part 7 60
Let’s build a repeater - part 1, Transmitters 50
Satellite TV news 58
Software notebook - SSTV for Spectrum 41
Sound in the studio - part 1, Balancing 64
Specmanship - part 2 – Noise 32
TV repeaters - a definitive list 44
The SCART connector 89
W&D 24cm Power amplifier 87
Issue 140 November 1987
Article Page
A ’non-sync’ detector 73
ATV repeaters - an overseas list 38
An A/V fader 7
An intercarrier sound demodulator 79
In front of the tube - part 8 32
LMW 1.3GHz pre-amp 35
Let’s build a repeater - part 2, Logic 26
Mitsumi TVRO modules 65
Modified sync separator for Teletron 71
More MSX software – Titler 21
New aerials and power amplifier for 24 63
Portable inverter 34
Problems with portable generators 18
SSTV tuning indicator 40
Servicing the TX-90 portable 47
Software notebook - Colour bars (Spectrum) 54
Some useful video circuits 44
Specmanship - part 3 – VSWR 75
TVI 81
The 24cm experience 14
The SCART connector again, more info 16
Timebase correction 52
Top of Frame ident 11
Two tapes, video and audio 68
Video handbook 2nd edition 50