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Non-Keysight test accessories (for 50 Ω system)
Model No. Description
Injection Transformer
Picotest 
J2100A Injection Transformer
1 Hz to 5 MHz (when terminated with 5 Ω), 10 Hz to 5 MHz (when terminated with 
 50 Ω), Input: BNC(f), Output: Banana jacks, 600 V/CAT II isolation voltage.
Optimized for loop gain measurements of DC-DC converters and switching power supplies.
Picotest 
J2101A Injection Transformer
10 Hz to 45 MHz (when terminated with 5 Ω), 60 Hz to 45 MHz (when terminated with 50 Ω), Input: BNC(f), 
Output: Banana jacks, 600 V/CAT II isolation voltage.
Optimized for loop gain measurements of DC-DC converters and switching power supplies.
North Hills Signal Processing
0017CC 50 Ω Video Isolation Transformer
10 Hz to 5 MHz (when terminated with 50 Ω), Input: BNC(f), Output: BNC(f).
Applicable to loop gain measurements of DC-DC converters and switching power supplies.
Other Signal Injector
Picotest 
J2110A Solid-State Injector 
(Bode Box)
DC to 40 MHz, Input and output voltage up to ± 10.5 V,
Signal input: BNC(f), Output: Banana jacks.
Optimized for wide band loop gain measurements of control loop circuits.
Picotest 
J2120A Line Injector
15 Hz to 5 MHz, up to 50 Vdc / 5 Adc, Signal input: BNC(f), 
DC input & output: Banana jacks.
For PSRR measurements of linear regulators and DC-DC converters.
Picotest 
J2111A Current Injector
Input: BNC(f), Output: Banana jacks.
For output impedance measurements of DC-DC converters with high-voltage outputs up to 40 Vdc. The 
recommended frequency range with the E5061B is 5 Hz to 1 MHz.
Picotest 
J2102A Common Mode Transformer
DC to 200 MHz
Input BNC(f), Output BNC(f) 
For output impedance/PSRR measurements; greatly attenuates the effects of low frequency ground loops.
Picotest 
J2113A Semi-Floating Differential Amplifier
DC to 500 MHz
Input BNC(f), Output BNC(f)
For output impedance/PSRR measurements; eliminates DC ground loop down to 1 Hz.
Picotest 
J2160A Probe Adapter
5 Hz to 30 MHz
Input BNC(f), Output BNC(f) 
Easy DUT connection for the output impedance measurements of DC-DC converters with 2-port  
shunt-thru method
Banana test lead/adapter
Pomona Electronics 1166 Banana plug to alligator clip
Pomona Electronics 4650 Banana plug to test clip
Pomona Electronics 4650 Banana plugs to test clips
Pomona Electronics 1269 Banana plugs to BNC(f) adapter
BNC breakout
Pomona Electronics 2886 BNC(m) to alligator clips
Pomona Electronics 3789 BNC(m) to test clips
BNC to test clip lead
Pomona Electronics 3787-C-18 Coax. cable with a BNC(m) connector and test clips at the ends,  
approx. 60 cm (total length).  
For probing the DUT from the gain-phase receiver ports.
50 Ω feed through
Pasternack Enterprises 
PE6008-50
DC to 1 GHz, 50 Ω BNC(m) to BNC(f) feed through.
DC Block
Mini-Circuits 
BLK-89
100 kHz to 8 GHz, 50 Ω SMA(m) to SMA(f) DC blocking capacitor.