User manual
18
Subject to change without notice
H M 8 1 2 3
3 GHz Programmable Counter HM8123
HM8123
R Measurement Range 0 Hz…3 GHz
R 2 Measurement Inputs DC…200 MHz,
1 Measurement Input 100 MHz…3 GHz
R Input Impedance A/B: 1 MΩ/50 Ω (switchable),
Sensitivity 25 mV
rms
R Input Impedance C: 50 Ω, Sensitivity 30 mV
rms
R 400 MHz Time Base with 0.5 ppm Stability
R 10-Digit Resolution at 10 s Gate Time
R 9 Measurement Functions, external Gate and Arming
R Input for external Time Base (10 MHz)
R Standard: TCXO (Temperature Stability: ±0.5 x 10
-6
)
Optional: OCXO (Temperature Stability: ±1 x 10
-8
)
R Intuitive One-Pushbutton Operation each Function
directly addressable
R Galvanically isolated USB/RS-232 Interface,
optional IEEE-488 (GPIB)
3G H z Pr o gr am m a b le C o un te r
HM 8 12 3
HZ42 19“ Rackmount Kit
2RU
HZ20 Connector
BNC to 4mm Socket
HZ33, HZ34
Test Cable BNC/BNC