A built-in generator lets you feed a test signal to an amplifier, filter or sensor and watch the result on the same screen. Generator frequency ranges vary from 50 kHz to 50 MHz, so read the spec.
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Best Oscilloscopes With a Signal Generator: Under 50 MHz
- OWON HDS242S#1 of 2Full review
A 40 MHz 3-in-1 handheld from a known scope maker, for repair and field checks.
Amazon $155$15540 MHz250 MSa/s2Handheld - FNIRSI 2C23T Plus#2 of 2Full review
An entry-level 10 MHz scope-multimeter for car sensors, audio and low-speed circuits.
Amazon $75.99$75.9910 MHz50 MSa/s2Handheld
Best Oscilloscopes With a Signal Generator: 50 to 99 MHz
- Zoyi ZT-703S#1 of 5Full review
A very low-priced 3-in-1 at 50 MHz, a good first scope for repairs.
Amazon $89.99$89.9950 MHz280 MSa/s2Handheld - FNIRSI 2C53P#2 of 5Full review
A step up from the 2C53T with a bigger touchscreen and a faster generator, for the same 50 MHz bandwidth.
Amazon $115.99$115.9950 MHz250 MSa/s2Handheld - OWON HDS272S#3 of 5Full review
A 70 MHz 3-in-1 handheld for electronics and field repair.
Amazon $184.99$184.9970 MHz-2Handheld - FNIRSI 2C53T#4 of 5Full review
A cheap 50 MHz handheld for car and bench repair that doubles as a multimeter. Pick it for basic signal checks, not for fast digital buses.
Amazon $99.99$99.9950 MHz250 MSa/s2Handheld - Hanmatek HO52S#5 of 5Full review
The 3-in-1 version of the HO52, for people who want the generator and the better multimeter.
Amazon $172.99$172.9950 MHz125 MSa/s2Handheld
Best Oscilloscopes With a Signal Generator: 100 MHz and up
- FNIRSI DPOS350P#1 of 8Full review
For hobbyists who want a high claimed bandwidth, a spectrum view and a generator in a portable 7 in tablet. Memory depth is the trade-off.
Amazon $279.99$279.99350 MHz1 GSa/s2Tablet - Hantek TO1254D#2 of 8Full review
A 4-channel tablet scope that pulls scope, meter and generator together for automotive and power electronics.
Amazon $549$549250 MHz1 GSa/s4Tablet - OWON HDS2202S#3 of 8Full review
The fastest handheld here for field work that needs a meter and generator alongside a 200 MHz scope.
Amazon $309$309200 MHz1 GSa/s2Handheld - Hantek DSO2D15#4 of 8Full review
A bench scope with generator and decoders for under $250, aimed at embedded work.
Amazon $232.49$232.49150 MHz1 GSa/s2Bench - FNIRSI 2D15P#5 of 8Full review
A feature-packed 100 MHz handheld for electronics repair that undercuts bench scopes on price. Treat the bandwidth as a maker claim.
Amazon $179.99$179.99100 MHz500 MSa/s2Handheld - Hantek TO1112C#6 of 8Full review
A tablet scope with a data-logging multimeter and generator, for mixed repair and bench work.
Amazon $209$209110 MHz250 MSa/s2Tablet - FNIRSI 1014D#7 of 8Full review
A budget 100 MHz bench scope with a built-in generator, for students and DIY work at a desk.
Amazon $179.99$179.99100 MHz1 GSa/s2Bench - Hanmatek HO102S#8 of 8Full review
A pocket 100 MHz scope-multimeter-generator for field work, at a premium over larger scopes.
Amazon $232.99$232.99100 MHz-2Handheld