Stanford Research Systems SR844 User Manual page 164

5-20 SR844 Test Record
3. Phase Response
Sensitivity Frequency
300 mV 100 kHz
300 kHz
1 MHz
3 MHz
10 MHz
30 MHz
100 MHz
4. Frequency Accuracy
Synthesizer Frequency
1.9993 MHz
1.9997 MHz
5. Ref Out Amplitude Accuracy and Flatness
Frequency Lower Limit
100 kHz +5.6 dBm
300 kHz +5.6 dBm
1 MHz +5.6 dBm
3 MHz +4.6 dBm
10 MHz +3.6 dBm
30 MHz +2.6 dBm
100 MHz +1.6 dBm
200 MHz -2.5 dBm
6. DC Outputs and Inputs
Output Offset
CH1 -100.00%
-50.00%
0.00%
+50.00%
+100.0%
Output Offset
CH2 -100.00%
-50.00%
0.00%
+50.00%
+100.0%
SR844 RF Lock-In Amplifier
Lower Limit CH2 Reading (deg)
°
-6.0
°
-6.0
°
-6.0
°
-6.0
°
-6.0
°
-8.0
°
-10.0
Lower Limit Precise Frequency Reading
1.99925 MHz
1.99965 MHz
CH1 Reading (dBm)
Lower Limit DVM Reading (V)
-10.010 V
-5.010 V
-0.005 V
+4.990 V
+9.990 V
Lower Limit DVM Reading (V)
-10.010 V
-5.010 V
-0.005 V
+4.990 V
+9.990 V
Upper Limit
°
+6.0
°
+6.0
°
+6.0
°
+6.0
°
+6.0
°
+8.0
°
+10.0
Upper Limit
1.99935 MHz
1.99975 MHz
Upper Limit
+9.6 dBm
+9.6 dBm
+9.6 dBm
+8.6 dBm
+7.6 dBm
+6.6 dBm
+5.6 dBm
+2.5 dBm
Upper Limit
-9.990 V
-4.990 V
0.005 V
+5.010 V
+10.010 V
Upper Limit
-9.990 V
-4.990 V
0.005 V
+5.010 V
+10.010 V