Always good to find reasonably priced test equipment. You probably aren't interested, but after watching you use the Kunkin electronic load, I purchased one, but also purchased an East Tester ET5410, and found the build quality to be equal, but the color display is so much easier to use. Worth the extra $20 I paid compared to the Kunkin. My main use is testing LiFePO4 cells for solar storage, so the ease of front panel use comes in handy. Main thing missing is the extra leads to allow real voltage measurement (4 wire). They claim that a new version will have that feature. But a worthwhile alternative if it meets your needs. I will also say that I very much appreciate your Rigol power supply repair, your Owan power supply review, and the RD6012 review and repair. The linear backend you did for the RD6006 made an impression as well. Thanks for your time and effort, it is much appreciated.
The main reason I selected the Kunkin over the ET unit was because I needed 5 of them so the small difference in price adds up. I also prefer the Kunkin display in normal use but it is a matter of personal preference. In terms of performance they are almost identical.
@@JerryWalker001 Oddly enough, I have 4 of the east tester and one of the Kunkin. Bought one of each, then purchased the additional units. Small world.
A few months ago i bought the PSG9080 to make more room on the bench it replaces an advance AM rf gen a frequence gen and an FM signal gen .I repair mainly vintage radio and audio gear .and so far i cant fault it . like you i was shocked by the light weight . I paid £149 for mine and it took an amazing 6 days to arive even though it said 21 to 30 days on the ebay listing proberley one of the best bit of cheap test gear i have bought.
Yes I have spent more time testing it and apart from a few very minor issues I also cannot fault it. Having all those features in something that costs less than £150.00 is incredible. I think this company may do very well with it if they retain the pricing. Coincidentally I purchased it for aligning RF stages in valve equipment that I repair. I had been using my high end signal generators but I never like connecting them to some of the stages so I purchased the PSG as it seemed like a good cheap option but I think this unit is going to become part of my main lab equipment.
Does the sweep function output a sync pulse for each sweep? I have one of those cheap FY6800 function generators which is quite nice and similar to the Juntek, but strangely it has sweep but no way of syncing to it, a big fail. At the time my interest was in aligning filters and IF amps. Good overview.
The sync is per pulse not per cycle but you can get exactly what you want another way. Set CH1 for your required sweep output signal. Set CH2 for a pulse at the sweep rate. EG if your sweep is once per second then set CH2 for 1Hz. You can then use either CH2 directly as your sweep sync or the sync for CH2. You can even adjust the phase of the two signals if you need an offset sync.
I just got a Juntek PSG9080 and noticed that I cannot change the amplitude with the Ampl. control. I have to change the Offset to get the amplitude to change. Is that normal?
Picked up for the most part the same unit under the "Goupchn" name, 60MHz PSG9060 @ 23:40 you'll notice the slection for waveform is "Sharp" rather than what it should be... "Shape" translators missed one. Awesome unit for the amateur expermenter @ a buck seventy to the door in late 2021.
Very good as it is, a couple of things, looks like a great candidate for making entirely portable and would there any advantage to a battery supply in terms of performance, my mind goes back to the SMPS vs Linear in the Rigol "back end" buck converter you wound a transformer for vs the SMPS prebuilt one..
Hi I’m considering the JUNTEK PSG9060 model (as far as I understand, their Square wave one has the same frequency as the 9080) on other youtube channels i see that square it loses its shape already at 2 mhz, but your 10 shows very well, apparently you have a very good oscilloscope
Harmonics on the sine wave are fairly high but not excessive, certainly no worse than on some of my much more expensive units. This is only an arb generator so it does not matter too much. If you need a 'clean' signal then a proper generator with decent filtering etc would be needed but then you are back into £thousands.
Jerry, the PSG9080 looks to be very useful for those with both limited (open) bench space & limited budgets. After seeing this video I'll put this unit on my list of gear to procure as funds come available. Their name is a bit unfortunate though -- I keep misreading it as JunKtek and initially thought that it was a humorous name you had applied to a "parts bin" unit that you had built from bits & pieces (similar to guitar builders making "Partscasters"), but realized my mistake after a second look at the video title & unit name.
I thought exactly the same thing the first time I saw the brand. I still cannot figure out the thinking behind the name. Maybe someone should tell them.
@@JerryWalker001 I'm sure it's a case of the maker(s) not speaking English as a first language. Of course, even if they watch your videos and read the comments, it's too late for them to change their name even if they wanted to, short of creating a new company (buying themselves under another name?).
@@bobvines00 I had never heard of them so assume they are a fairly new company or maybe they had an even worse name and have already rebranded. Now is their best opportunity to change the name if they wanted to. In reality if they get a good reputation then it will not matter.
@@JerryWalker001 I'm thinking the name may be pronounced "Joontek" or "Juuntek". I'm pretty sure its due to language/cultural differences. Thanks for the great video, I have one of these and I'm looking forward to using it more. I primarily bought it because it has a larger display and a reasonable price. It's great that it has so many other features.
Only a sine wave can reach the 80 MHz limit on this generator. Square waves are limited at 30 MHz and triangle at 50 MHz. The specs list all of the max limits.
As I said in the video. Actually it is slightly more complex because the limits for each type depend on the output level. As I said in the video the specification is clear and most importantly the instrument seems to meet the specification. Almost every signal generator on the market has higher frequency output for the sine wave than for the other types so this is not unusual.
I looked at this device for quite a while as it certainly seems to be the best of the cheap signal generators (although it looks like a few suppliers do exactly the same thing with different badges). In the end I decided that although it is cheap and capable I don't actually need a signal generator! I'm honestly not sure about the value of being able to fine tune the output frequency if you need a stupidly expensive frequency meter to calibrate a cheap generator!
I suppose it depends on what you need. As far as the fine tuning is concerned then the frequency meter is not capable of generating arb waveforms. The same argument could be applied to any piece of equipment in a lab. For example if you have a cheap multimeter you still need to be able to calibrate it. For my purpose I have much more expensive arb generators but I do not want to use them for what I intend to use this unit for but I still wanted the short term accuracy. Like I said it depends on how you look at it and what you need. In general most labs will have at least one decent frequency standard so being able to 'tune' the unit is a very useful feature.
@@JerryWalker001 As a hobbyist I don't need the exceptional accuracy that is often required in the commercial arena. As Paul Daniels (Aussie electronics guy, not British magician!) said when reviewing the Vici VC8145 multimeter I have, "We're only cracking nuts - we don't need a tungsten nutcracker with carved mahogany handles, we just need a rock!" :)
Like I said it depends what you need. I very rarely need absolute accuracy and that is not really why I would find this feature useful. You may have seen some of my videos where I use signal generators for testing items such as CRT displays. I need to use several generators to do this. Unless the generators are all fairly close (or use a common external clock) then the displays 'roll'. I come across many such issues so being able to fine tune the frequency is very useful, it is not really about absolute accuracy in this case. Having said that some people DO need accuracy and instead of having to spend a lot of money on an expensive generator they could buy one like this (not to be confused with other equipment such as timers/counters). It all depends what you need but either way it certainly does not hurt to have the option and is invaluable for those that do need it. Anyone who does not need it can simply ignore it.
@@JerryWalker001 It was after watching your CRT videos that I got interested in these devices! After looking for some while I decided that I wasn't brave enough to mess around with Kilovolts after all and so wouldn't be attempting any CRT repairs. Having said that, I have an Ampex serial terminal that needs its deflection coil rotated slightly to straighten up the picture but I'm really going to have to devote some time to concentrate on that - obviously it needs to be done while it is displaying a picture meaning that the high voltage section will be live. As Slartibartfast once said "It scares the willies out of me!" :))
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Always good to find reasonably priced test equipment. You probably aren't interested, but after watching you use the Kunkin electronic load, I purchased one, but also purchased an East Tester ET5410, and found the build quality to be equal, but the color display is so much easier to use. Worth the extra $20 I paid compared to the Kunkin. My main use is testing LiFePO4 cells for solar storage, so the ease of front panel use comes in handy. Main thing missing is the extra leads to allow real voltage measurement (4 wire). They claim that a new version will have that feature. But a worthwhile alternative if it meets your needs.
I will also say that I very much appreciate your Rigol power supply repair, your Owan power supply review, and the RD6012 review and repair. The linear backend you did for the RD6006 made an impression as well. Thanks for your time and effort, it is much appreciated.
The main reason I selected the Kunkin over the ET unit was because I needed 5 of them so the small difference in price adds up. I also prefer the Kunkin display in normal use but it is a matter of personal preference. In terms of performance they are almost identical.
@@JerryWalker001 Oddly enough, I have 4 of the east tester and one of the Kunkin. Bought one of each, then purchased the additional units. Small world.
Thank you for a fun video. Nicely done. It is appreciated.
A few months ago i bought the PSG9080 to make more room on the bench it replaces an advance AM rf gen a frequence gen and an FM signal gen .I repair mainly vintage radio and audio gear .and so far i cant fault it . like you i was shocked by the light weight . I paid £149 for mine and it took an amazing 6 days to arive even though it said 21 to 30 days on the ebay listing proberley one of the best bit of cheap test gear i have bought.
Yes I have spent more time testing it and apart from a few very minor issues I also cannot fault it. Having all those features in something that costs less than £150.00 is incredible. I think this company may do very well with it if they retain the pricing. Coincidentally I purchased it for aligning RF stages in valve equipment that I repair. I had been using my high end signal generators but I never like connecting them to some of the stages so I purchased the PSG as it seemed like a good cheap option but I think this unit is going to become part of my main lab equipment.
PSG9080 has updated the upper computer control software, which can be downloaded from the official website!
Impressive. I have a low end siglent but its no where near as cheap as this. Great instrument for a starter in the field
Does the sweep function output a sync pulse for each sweep? I have one of those cheap FY6800 function generators which is quite nice and similar to the Juntek, but strangely it has sweep but no way of syncing to it, a big fail. At the time my interest was in aligning filters and IF amps. Good overview.
The sync is per pulse not per cycle but you can get exactly what you want another way. Set CH1 for your required sweep output signal. Set CH2 for a pulse at the sweep rate. EG if your sweep is once per second then set CH2 for 1Hz. You can then use either CH2 directly as your sweep sync or the sync for CH2. You can even adjust the phase of the two signals if you need an offset sync.
I just got a Juntek PSG9080 and noticed that I cannot change the amplitude with the Ampl. control. I have to change the Offset to get the amplitude to change. Is that normal?
it outputs 25Vpeak into the High-Z input or into a 50Ohm load?
Picked up for the most part the same unit under the "Goupchn" name, 60MHz PSG9060 @ 23:40 you'll notice the slection for waveform is "Sharp" rather than what it should be... "Shape" translators missed one. Awesome unit for the amateur expermenter @ a buck seventy to the door in late 2021.
What is pulse width and period jitter at high frequencies?
Very good as it is, a couple of things, looks like a great candidate for making entirely portable and would there any advantage to a battery supply in terms of performance, my mind goes back to the SMPS vs Linear in the Rigol "back end" buck converter you wound a transformer for vs the SMPS prebuilt one..
You could try making it battery powered but needing 30V at 1A it would need a fairly big battery. There is however plenty of room inside the case.
Is it possible wirh this generator to swipe output frequency, say 70MHz to 80MHz in 10usec? I need such exotic chirp for ultrasound generator.
Hi
I’m considering the JUNTEK PSG9060 model (as far as I understand, their Square wave one has the same frequency as the 9080)
on other youtube channels i see that square it loses its shape already at 2 mhz, but your 10 shows very well, apparently you have a very good oscilloscope
Very impressive indeed for the price. Many thanks for the look. I wonder what the harmonics look like?
Harmonics on the sine wave are fairly high but not excessive, certainly no worse than on some of my much more expensive units. This is only an arb generator so it does not matter too much. If you need a 'clean' signal then a proper generator with decent filtering etc would be needed but then you are back into £thousands.
Is there any device that will create a digital bit sequence?
You can use a pattern generator in a logic analyser or even just a simple PIC or ARM or FPGA.
Jerry, the PSG9080 looks to be very useful for those with both limited (open) bench space & limited budgets. After seeing this video I'll put this unit on my list of gear to procure as funds come available.
Their name is a bit unfortunate though -- I keep misreading it as JunKtek and initially thought that it was a humorous name you had applied to a "parts bin" unit that you had built from bits & pieces (similar to guitar builders making "Partscasters"), but realized my mistake after a second look at the video title & unit name.
I thought exactly the same thing the first time I saw the brand. I still cannot figure out the thinking behind the name. Maybe someone should tell them.
@@JerryWalker001 I'm sure it's a case of the maker(s) not speaking English as a first language. Of course, even if they watch your videos and read the comments, it's too late for them to change their name even if they wanted to, short of creating a new company (buying themselves under another name?).
@@bobvines00 I had never heard of them so assume they are a fairly new company or maybe they had an even worse name and have already rebranded. Now is their best opportunity to change the name if they wanted to. In reality if they get a good reputation then it will not matter.
@@JerryWalker001 I'm thinking the name may be pronounced "Joontek" or "Juuntek". I'm pretty sure its due to language/cultural differences. Thanks for the great video, I have one of these and I'm looking forward to using it more. I primarily bought it because it has a larger display and a reasonable price. It's great that it has so many other features.
You didn't mention the Load button.
Only a sine wave can reach the 80 MHz limit on this generator. Square waves are limited at 30 MHz and triangle at 50 MHz. The specs list all of the max limits.
As I said in the video. Actually it is slightly more complex because the limits for each type depend on the output level. As I said in the video the specification is clear and most importantly the instrument seems to meet the specification. Almost every signal generator on the market has higher frequency output for the sine wave than for the other types so this is not unusual.
I looked at this device for quite a while as it certainly seems to be the best of the cheap signal generators (although it looks like a few suppliers do exactly the same thing with different badges). In the end I decided that although it is cheap and capable I don't actually need a signal generator! I'm honestly not sure about the value of being able to fine tune the output frequency if you need a stupidly expensive frequency meter to calibrate a cheap generator!
I suppose it depends on what you need. As far as the fine tuning is concerned then the frequency meter is not capable of generating arb waveforms. The same argument could be applied to any piece of equipment in a lab. For example if you have a cheap multimeter you still need to be able to calibrate it. For my purpose I have much more expensive arb generators but I do not want to use them for what I intend to use this unit for but I still wanted the short term accuracy. Like I said it depends on how you look at it and what you need. In general most labs will have at least one decent frequency standard so being able to 'tune' the unit is a very useful feature.
@@JerryWalker001 As a hobbyist I don't need the exceptional accuracy that is often required in the commercial arena. As Paul Daniels (Aussie electronics guy, not British magician!) said when reviewing the Vici VC8145 multimeter I have, "We're only cracking nuts - we don't need a tungsten nutcracker with carved mahogany handles, we just need a rock!" :)
Like I said it depends what you need. I very rarely need absolute accuracy and that is not really why I would find this feature useful. You may have seen some of my videos where I use signal generators for testing items such as CRT displays. I need to use several generators to do this. Unless the generators are all fairly close (or use a common external clock) then the displays 'roll'. I come across many such issues so being able to fine tune the frequency is very useful, it is not really about absolute accuracy in this case. Having said that some people DO need accuracy and instead of having to spend a lot of money on an expensive generator they could buy one like this (not to be confused with other equipment such as timers/counters). It all depends what you need but either way it certainly does not hurt to have the option and is invaluable for those that do need it. Anyone who does not need it can simply ignore it.
@@JerryWalker001 It was after watching your CRT videos that I got interested in these devices! After looking for some while I decided that I wasn't brave enough to mess around with Kilovolts after all and so wouldn't be attempting any CRT repairs. Having said that, I have an Ampex serial terminal that needs its deflection coil rotated slightly to straighten up the picture but I'm really going to have to devote some time to concentrate on that - obviously it needs to be done while it is displaying a picture meaning that the high voltage section will be live. As Slartibartfast once said "It scares the willies out of me!" :))
Is it's 4channel output?
No it is 2 channel. The extra two BNC connectors are for external modulation and external input.
Good dds gen. Me have one good features
30Mhz is the limit for square wave on the PSG9080
Excelente lo compro jjj