Atec Agilent-34980A - Manual (Page 14)

14
Table 5. RF and microwave selection table—specifications and characteristics*
DC to 3 GHz DC to 20 GHz
[3]
34941A 34942A 34946A 34947A
Channels quad 1x4 quad 1x4 2 SPDT 3 SPDT
Switch type 50 Ω unterminated, 75 Ω unterminated, 50 Ω terminated 50 Ω unterminated
latching relays latching relays
RF characteristics
Frequency range
[2]
DC to 3 GHz Contact factory DC to 4 GHz DC to 4 GHz
OR OR
DC to 20GHz DC to 20 GHz
Insertion loss Contact factory Contact factory DC to 4 GHz < 0.42dB DC to 4 GHz < 0.42 dB
(< 40 C/ 80% RH)
[2]
@ 20 GHz < 0.69dB @ 20 GHz < 0.69 dB
VSWR
[3]
Contact factory Contact factory DC to 4 GHz < 1.15 DC to 4 GHz < 1.15
@ 20 GHz < 1.30 @ 20 GHz < 1.30
Isolation (dB)
[2]
Contact factory Contact factory DC to 4 GHz > 85dB DC to 4 GHz > 85 dB
at 20 GHz > 67dB at 20 GHz > 67 dB
Risetime < 80 ps Contact factory N/A N/A
Signal delay < 1 ns Contact factory N/A N/A
Capacitance 30 pF Contact factory N/A N/A
Relay life 300,000 at 30V/10mA load; Contact factory > 5 M cycles, > 5 M cycles,
100,000 at 10W load RF 1M w/drive 28-32VDC 1M w/drive 28-32VDC
Switching characteristics
Max volts
[1]
30 V 30 V 7 V DC 7 V DC
Max current 0.5A 0.5A N/A N/A
Max power (W) 10 W
[5]
10 W
[5]
1W @ 7 VDC, 50W peak
[4]
1W @ 7VDC, 50W peak
[4]
Offset voltage 10 uV 10 uV N/A N/A
Initial channel resistance 1 Ω 1 Ω N/A N/A
Volt-Hertz limit 2 x 10 10 2 x 10 10
General characteristics
Switching time 25 ms 25 ms < 15 ms < 15 ms
Connector type SMA Mini 75 Ω SMB SMA SMA
Analog bus backplane No No No No
connection
[1] Channel-to-earth
[2] 50 Ω source, 50 Ω load (75 Ω for 34942A)
[3] For more detailed specifications, see the N1810TL
for the 34946A and N1810UL for the 34947A
[4] 10 usec maximum duration
[5] Max power is 1 W between 30 MHz and 1 GHz
for CISPR 11 compliance
* See User’s Guide for additional specifications