Communica

Function Generators & Synthesisers Supplier - Local Stock for South African Labs

Discover local stock of function generators, DDS synthesisers and test bundles at Communica. Fast branch pickup, VAT invoices, spec support and accessory bundles for makers, students and engineers.

electronic measurement
July 4, 2026
4 min read

Local stock & pickup

Fast collection from Samrand, Pretoria or Cape Town to reduce project downtime.

Spec-driven selection

Choose by bandwidth, sample rate, resolution and sync options for your application.

Bundles & procurement

Probe, cable and supply bundles plus account quoting and VAT invoicing for teams.

Reliable local stock of function generators and synthesisers

Need a dependable signal source for lab work, hardware validation or classroom labs? Communica stocks a broad selection of function generators and direct digital synthesis (DDS) modules suited to prototyping, electronics labs and production test benches. Buying locally reduces lead times, lets you collect from branches in Samrand, Pretoria or Cape Town, and ensures you receive VAT invoices for procurement and education reimbursements.

Why buy from a South African supplier

Local availability matters: quicker swaps when a unit is needed for a deadline, easier credit-account quotes for departmental purchases, and faster access to compatible accessories like probes and calibration leads. Check stock levels and branch pickup options to minimise downtime.

  • Immediate collection from Samrand head office (where stock often replenishes first).
  • Account quoting and VAT invoicing for institutions and procurement teams.
  • Accessory bundles: probes, BNC cables, DC power supplies and dedicated enclosures.

Typical models and form factors

From bench-grade arbitrary waveform generators to compact benchtop function generators and module-level DDS boards, choose by frequency range, waveform fidelity, sample rate and modulation capabilities. For student labs a compact 1-30MHz function generator with TTL sync is often ideal; for RF work prefer devices with 100MHz+ bandwidth and low phase noise.

Compare categories and brand options in our collections to match performance to budget: shop by category, or browse brands and modules at shop by brand.

Quick spec comparison table

Use this compact table to shortlist devices before comparing datasheets.

TypeFreq RangeWaveformsBest for
Compact Function Gen1Hz-30MHzSine, Square, Triangle, PulseStudent labs, hobby prototypes
Arbitrary Waveform GenDC-100MHz+AWG, Modulation, SweepAdvanced labs, signal design
DDS ModuleDC-50MHzHigh stability sine, TTL syncEmbedded projects, custom rigs

If you need help selecting between models, our team can compare specs and suggest accessory bundles - request a quote or arrange a product demo at the Samrand branch. See branch hours and collection details: branches & trading hours.

Related Test & Measurement Products

Discover quality test & measurement products related to Function Generators & Synthesisers Supplier - Local Stock for South African Labs

Fnirsii Sg-002 Hand Held Signal Generator, Which Can Simulate A 0 To 10v Voltage Signal And 0/4-20ma Current Signal

Fnirsii Sg-002 Hand Held Signal Generator, Which Can Simulate A 0 To 10v Voltage Signal And 0/4-20ma Current Signal

FnirsiFunction Generators & Synthesisers
ZAR600.00

Fnirsii Sg-002 Hand Held Signal Generator, Which Can Simulate A 0 To 10v Voltage Signal And 0/4-20ma Current Signal

Fnirsi Sg-004a Multi-functional Signal Generator

Fnirsi Sg-004a Multi-functional Signal Generator

FnirsiFunction Generators & Synthesisers
ZAR3500.00

Fnirsi Sg-004a Multi-functional Signal Generator

Fnirsi Sg-003a 0-24v Adjustable Voltage, 0-24ma Current Simulator, Pulse Wave Generator : 0~9999hz, + Process Calibrator With Battery 3.7v/3000mah

Fnirsi Sg-003a 0-24v Adjustable Voltage, 0-24ma Current Simulator, Pulse Wave Generator : 0~9999hz, + Process Calibrator With Battery 3.7v/3000mah

FnirsiFunction Generators & Synthesisers
ZAR1650.00

Fnirsi Sg-003a 0-24v Adjustable Voltage, 0-24ma Current Simulator, Pulse Wave Generator : 0~9999hz, + Process Calibrator With Battery 3.7v/3000mah

Uni-t Utg962e Function/arbitrary Waveform Generator 2 Channel 60mhz

Uni-t Utg962e Function/arbitrary Waveform Generator 2 Channel 60mhz

Uni-TFunction Generators & Synthesisers
ZAR11132.00

Uni-t Utg962e Function/arbitrary Waveform Generator 2 Channel 60mhz

Fd100 Dds Function Generator 1hz-500khz. Output Waveforms: Sine Wave, Wave, Triangular Wave, Forward Sawtooth Wave, Reverse Sawtooth Wave

Fd100 Dds Function Generator 1hz-500khz. Output Waveforms: Sine Wave, Wave, Triangular Wave, Forward Sawtooth Wave, Reverse Sawtooth Wave

CommunicaFunction Generators & Synthesisers
ZAR459.00

Fd100 Dds Function Generator 1hz-500khz. Output Waveforms: Sine Wave, Wave, Triangular Wave, Forward Sawtooth Wave, Reverse Sawtooth Wave

Siglent Function / Arbitrary Waveform Generator 2ch 30mhz - Sdg1032x

Siglent Function / Arbitrary Waveform Generator 2ch 30mhz - Sdg1032x

SiglentFunction Generators & Synthesisers
ZAR12154.98

Siglent Function / Arbitrary Waveform Generator 2ch 30mhz - Sdg1032x

Sdg1062x | Siglent Function / Arbitrary Waveform Generator 2ch 60mhz 150msa/s 16kpts 14bits 4.3inch Tft-lcd (260×107×295mm)

Sdg1062x | Siglent Function / Arbitrary Waveform Generator 2ch 60mhz 150msa/s 16kpts 14bits 4.3inch Tft-lcd (260×107×295mm)

SiglentFunction Generators & Synthesisers
ZAR16962.50

Sdg1062x | Siglent Function / Arbitrary Waveform Generator 2ch 60mhz 150msa/s 16kpts 14bits 4.3inch Tft-lcd (260×107×295mm)

A High Precision Programmable Panel-mounted Signal Generator

A High Precision Programmable Panel-mounted Signal Generator

CommunicaFunction Generators & Synthesisers
ZAR295.00

A High Precision Programmable Panel-mounted Signal Generator

Uni-t Utg932e Function/arbitrary Waveform Generator 30mhz, 200ms/s, 14 Bits

Uni-t Utg932e Function/arbitrary Waveform Generator 30mhz, 200ms/s, 14 Bits

Uni-TFunction Generators & Synthesisers
ZAR6500.00

Uni-t Utg932e Function/arbitrary Waveform Generator 30mhz, 200ms/s, 14 Bits

Siglent Function / Arbitrary Waveform Generator 10mhz Sdg810

Siglent Function / Arbitrary Waveform Generator 10mhz Sdg810

SiglentFunction Generators & Synthesisers
ZAR6842.50

Siglent Function / Arbitrary Waveform Generator 10mhz Sdg810

Compatibility, accessories and practical tips

Specification callouts to prioritise

When comparing units, prioritise effective bandwidth, sample rate (for AWG), vertical resolution, output amplitude and available modulation types. For bench testing also check output impedance (usually 50 ohm), built-in attenuation, and trigger/sync options for oscilloscope alignment.

A simple rule: if you need clean sine waves above 30MHz, choose a unit with specified THD and phase-noise figures. For mixed-signal lab work, ensure a TTL/CMOS sync output to lock scopes and logic analysers.

Accessory bundles and compatibility guidance

Common bundles we recommend: function generator + 10:1 oscilloscope probe + BNC-BNC cable + 50 ohm terminator. For portable setups, add a compact DC bench supply and a rugged case. Confirm connector types (BNC, SMA) and order appropriate adapters where necessary.

Explore related parts and test gear in our all-products index to build a complete bench: all products.

Stock, lead times and procurement for South Africa

We carry thousands of components and equipment lines, and typical lead times vary by model and brand. For critical projects, choose in-stock items or request a quote for priority ordering. Communica's Samrand warehouse is the primary stock hub and can often fulfil urgent educational and prototyping needs faster than international shipping.

Objection handling and reassurances

Worried about compatibility or getting the right spec? Our technical staff routinely advise students, makers and procurement teams - we can compare waveform specs, confirm connector compatibility, and recommend probe/fixture choices. Learn about Communica's history and service approach: about us.

Summary and next steps

For reliable local supply of function generators and synthesisers, choose models that match your frequency, fidelity and modulation requirements, and bundle essential probes and cables to save setup time. Use branch pickup to avoid delays, request an institutional quote for bulk or high-value orders, or compare specs online before committing. Our product pages and collections make it easy to shortlist - then either Shop Now, Check Stock in Samrand, Compare Specs or Request a Quote to move from selection to hands-on testing.

If you want personalised help, contact the Samrand team to discuss lab requirements and accessory bundles, or visit our collections to start building your bench today: Communica homepage.

Communica Samrand — Electronic Component Experts

Communica supplies semiconductors and electronic components to industries such as automotive, electrical, automation, mining, and education.

Last updated: July 4, 2026

Disclaimer: This content is for educational purposes only. Product availability, pricing, and specifications are subject to change. Always verify current details on the retailer's website before making a purchase. We may earn affiliate commissions from qualifying purchases.

Frequently Asked Questions

Get answers to common questions about Test And Measurement

Why Choose Communica?

*Free Shipping

Free shipping for orders over ZAR 1,000.00.

7-Day Returns

Get a full refund if you had the product for less than 7 days.

Quick Delivery

Nationwide delivery within 2 - 4 working days.