Service 2
Keysight 53210A/53220A/53230A Assembly Level Service Guide 153
Recommended test equipment
Test equipment recommended for testing and troubleshooting the
Keysight 53210A/53220A/53230A Counters is listed below.
Table 2-4 Recommended equipment for test and troubleshooting
Instrument Required characteristics Recommended model
Microwave signal generator 100 MHz to 15 GHz Keysight E8257D-520-UNW
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
DC power supply Adjustable to ± 5.000V Keysight 6234A or equivalent
Digital multimeter (DMM) Microvolt accuracy Keysight 34410A or equivalent
Type N-to-BNC connector Keysight 1250-0780
BNC-to-dual banana plug BNC(f) to dual banana plug(m) Keysight E9637A
50 Ohm Coaxial cable with
BNC connectors
BNC(m) to BNC(m), 48 inches Keysight 10503A
3.5mm cables DC-18 GHz Keysight 11500E
Coaxial BNC tee connector Keysight 1250-0781
Substitute equipment may be used if it meets or exceeds the required
characteristics listed in Table 2-4.
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