Keysight (Agilent)
Keysight (Agilent) 53220A
350 MHz Universal Frequency Counter/Timer, 12 digits/s, 100 ps
DC to 350 MHz (with optional channels up to 15 GHz) Frequency Range
12 digits frequency resolution Resolution
2 channels standard (optional 3rd channel for microwave frequencies) Number of Channels
1 MΩ or 50 Ω selectable Input Impedance
±1 ppm/year (standard TCXO); optional high-stability OCXO available Timebase Aging Rate

| Attribute | Value |
|---|---|
| Frequency Range | DC to 350 MHz (with optional channels up to 15 GHz) |
| Resolution | 12 digits frequency resolution |
| Number of Channels | 2 channels standard (optional 3rd channel for microwave frequencies) |
| Input Impedance | 1 MΩ or 50 Ω selectable |
| Timebase Aging Rate | ±1 ppm/year (standard TCXO); optional high-stability OCXO available |
| Measurement Speed | Up to 1,000,000 measurements per second (burst mode) |
| Memory Depth | 1,000,000 reading memory capacity |
| Display | 4.3-inch color LCD display |
| Connectivity/Interface | USB, LAN (LXI Core 2011), and GPIB (optional) |
| Power Requirements | 100–240 VAC, 50/60 Hz, 80 VA maximum |
Keysight (Agilent) 53220A Options:
- 53220A - 010 - Ultra-high-stability OCXO timebase
- 53220A - 106 - 6 GHz microwave input
- 53220A - 115 - 15 GHz microwave input
- 53220A - 201 - Add rear panel parallel inputs for baseband channels
- 53220A - 202 - Optional microwave input - front Type N (default if 106 or 115 ordered)
- 53220A - 203 - Optional microwave input - rear panel SMA(f) connector
- 53220A - 300 - Add internal lithium ion smart battery and charger for unstable AC power or timebase stability
| Model | 53220A |
|---|
The Keysight (Agilent) 53220A is a 350 MHz universal frequency counter/timer offering dual input channels and optional 6 or 15 GHz microwave input. It delivers 12 digits/second resolution and 100 ps time interval resolution, making it ideal for precise frequency and timing applications.
Features include built-in math analysis, color graphical display with trend and histogram views, and connectivity via LXI-C/LAN, USB, and GPIB interfaces.
Testwall can supply the used Keysight (Agilent) 53220A, fully tested. With expert support and global delivery, Testwall ensures high-performance instrumentation with unmatched reliability and service quality. Please contact us directly if you need calibration or repair of the Keysight (Agilent) 53220A.





