Performance Verification
Giga-tronics 2500B Series Microwave Signal Generators
Page 88
Operation Manual, Part Number 34737, Rev C, June 30, 2011
Table 38: 2500B Series Model Frequency Ranges
2500B Series Model Frequency Ranges
Model Number
Frequency Range
RF Output Connector
2502B
100 kHz to 2.5 GHz
Type-N (F)
2508B*
2 GHz to 8 GHz
Type-N (F)
2520B*
2 GHz to 20 GHz
SMA (F)
2526B*
2 GHz to 26.5 GHz
SMA (F)
2540B*
2 GHz to 40 GHz
2.92 mm (F)
2550B*
2 GHz to 50 GHz
2.4 mm (F)
* Adding Option 18 to these models extends the frequency range down to 100 kHz.
Table 39: Frequency Specifications
Frequency Specifications
Parameter
Specification
Accuracy
Same as time-base
Resolution
0.001 Hz
Power Slope
Adjustable up to 0.5 dB/GHz
Internal Reference Output
10 MHz
TTL level into 50 Ω
100 MHz
> +5 dBm square wave into 50 Ω
Aging rate
1
< 5 x 10
-10
/day
Temperature stability
2
< 2.5 x 10
-8
External Frequency Reference Input
Frequency
10 MHz or 100 MHz
Frequency Deviation
± 1 ppm
Recommended input
level
10 MHz: > -5 dBm into 50 Ω
100 MHz: > +5 dBm to < +8
dBm into 50 Ω
Reference Tuning
Voltage Range
0 to 10V
Sensitivity
2 ppm/Volt nominal, or
0.2 ppm/V nom. with Opt 28
Lock/Level indicator (CW mode only)
Sync Out = +5 V (TTL High)
1
After 30 days
2
Temperature stability over operating range of 0 °C to +55 °C after 30 days