2Service
118 Keysight 53210A/53220A/53230A Assembly Level Service Guide
The Keysight 53210A/53220A/53230A Calibration Procedures
Equipment required
Table 2-1 Recommended test equipment for calibration
Instrument Required characteristics Recommended model
10 MHz system clock or
RF signal generator
10 MHz ± 2.000E-12
Stanford Research Systems CG635
or equivalent
Primary frequency standard
(10 MHz house standard)
Absolute accuracy >1 x 10-10
Stanford Research Systems FS725
Rubidium Timebase or equivalent
Digital multimeter (DMM) Microvolt accuracy Keysight 34410A or equivalent
Microwave signal generator
100 MHz to 15 GHz; Freq Accy at 6
GHz and 15 GHz:
±10ppb; PW Accy:
±10%
Keysight E8257D-520-UNW or
equivalent
DC power supply Adjustable to ± 5.000V Keysight 6234A or equivalent
Type N(m)-to-BNC(f) Adapter Keysight 1250-0780
SMA(m)-to-BNC(f) adapter Keysight 1250-1200
BNC-to-dual banana plug BNC(f) to banana plug(m)
Keysight E9637A or Newark
10M4161
50 Ohm coaxial cable with
BNC connectors (5)
BNC(m) to BNC(m), 48 inches Keysight 10503A
3.5mm cables DC-18 GHz, matched pair Keysight 11500E
Coaxial BNC tee connector Keysight 1250-0781
Some of this equipment may no longer be available as new.
Use an equivalent model number.
Whenever possible, the counter should be calibrated with the instrument
oriented in the same physical direction in which it will be used (i.e. flat, on one
side, or front panel facing up).