- Trusted Seller Programmed Test Sources PTS 500 BCD- Manufacturer: Programmed Test Sources
 Programmed Test Sources PTS500 frequency synthesizer with 100 KHz resolution, front panel controls & more. Cary, NC
- Trusted Seller Programmed Test Sources PTS 040- Manufacturer: Programmed Test Sources
- Model: PTS 040
 Programmed Test Sources 040 .1 - 40 MHz Frequency Synthesizer with GPIB & local control. 1 KHz resolution. PTS040 Cary, NC

